原因：中秋吃月饼，是我国民间的传统习俗，寄托了人们的美好情感。
月饼是古代中秋祭拜月神的供品，沿传下来，便形成了中秋吃月饼的习俗。古人把圆月视为团圆的象征，因此，又称八月十五为“团圆节”。古往今来，人们常用“月圆”、“月缺”来形容“悲欢离合”，客居他乡的游子，更是以月来寄托深情。
在古代。中秋晚上祭月后，由家中长者将饼按人数分切成块，每人一块，如有人不在家即为其留下一份，表示合家团圆。
扩展资料：
月饼，在我国有着悠久的历史。据史料记载，早在殷、周时期，江、浙一带就有一种纪念太师闻仲的边薄心厚的“太师饼”，这是我国月饼的“始祖”。汉代张骞出使西域时，引进芝麻、胡桃，为月饼的制作增添了辅料，这时便出现了以胡桃仁为馅的圆形饼，名曰“胡饼”。
唐代，民间已有从事生产的饼师，京城长安也开始出现糕饼铺。据说，有一年中秋之夜，唐玄宗和杨贵妃赏月吃胡饼时，唐玄宗嫌“胡饼”名字不好听，杨贵妃仰望皎洁的明月，脱口而出“月饼”，从此“月饼”的名称便在民间逐渐流传开。
到了明代，中秋吃月饼才在民间逐渐流传。当时心灵手巧的饼师，常把与月亮有关的神话故事如嫦娥奔月等作为图案印在月饼上，使月饼成为受百姓青睐的中秋美食。
到了清代，月饼的制作工艺有了较大提高，品种也不断增加。随着人们制作月饼经验的日益丰富，市场上月饼的种类也层出不穷，工艺越来越讲究。
参考资料来源：百度百科-月饼 （中国传统小吃）
参考资料来源：人民网-关于中秋节的由来起源和传说习俗：中秋节为什么要吃月饼
形容不可捉摸的成语
厚貌深辞：外貌厚道，内心不可捉摸。同“厚貌深情”。
镜花水月：镜里的花，水里的月。原指诗中灵活而不可捉摸的意境，后比喻虚幻的景象。
阴阳怪气：形容态度怪癖，冷言冷语，不可捉摸。
厚貌深情：外貌厚道，内心不可捉摸。
虚无缥渺：虚无：虚幻不实。若有若无的样子。形容空虚渺茫，不可捉摸。
虎变不测：无法预测老虎身上的花纹发生什么变化或何时变化。形容非常之人的行踪或性情变化莫测，不可捉摸。
厚貌深文：外貌厚道，内心不可捉摸。同“厚貌深情”。
出鬼入神：指变化多端，不可捉摸。
神出鬼行：出：显露；没：隐灭。形容行动出没无常，变化神奇，不可捉摸。
不皦不昧：不明不暗。形容恍惚不可捉摸。
不可捉摸的近义词意思相近的四字词语
成语： 不可思议 拼音： bù kě sī yì
解释： 原有神秘奥妙的意思。现多指无法想象，难以理解。
出处： 《维摩诘所说经·不思议品》：“诸佛菩萨有解脱名不可思议。”
成语： 神乎其神 拼音： shén hū qí shén
解释： 神：神妙；乎：语助词，表感叹。神秘奇妙到了极点。形容非常奇妙神秘。
出处： 《庄子·天地》：“深之又深而能物焉，神之又神而能精焉。”
成语： 妙不可言 拼音： miào bù kě yán
解释： 妙：美妙。形容好得难以用文字、语言表达。
出处： 晋·郭璞《江赋》：“经纪天地，错综人术，妙不可尽之于言，事不可穷之于笔。”
成语： 镜花水月 拼音： jìng huā shuǐ yuè
解释： 镜里的花，水里的月。原指诗中灵活而不可捉摸的意境，后比喻虚幻的景象。
成语： 海市蜃楼 拼音： hǎi shì shèn lóu
解释： 蜃：大蛤。原指海边或沙漠中，由于光线的反向和折射，空中或地面出现虚幻的楼台城郭。现多比喻虚无缥渺的事物。
成语： 虚无飘渺 拼音： xū wú piāo miǎo
解释： 形容若有若无，空虚渺茫。
出处：
举例造句： 人要到月亮上去，以前认为是虚无飘渺的想法，而现在则是确实可行的事实
成语： 若有若无 拼音： ruò yǒu ruò wú
解释： 形容事物不清晰或关系不亲密。
出处： 明·洪应明《菜根谭·闲适》：“若有若无，半真半幻，最足以悦人心目而豁人性灵。真天地间一妙境也。”
扩展：形容不可捉摸的句子
命运是不可捉摸的,只有真正强大的人才能掌控命运!
Fate is unpredictable, only the truly powerful can control it!
展锋目光一凝,突然大喝一声,一招弓身望月,剑势若雪泥鸿爪,翩然变化,幻灭万端,不可捉摸,直射奎刚近身而去。
When Zhan Feng's eyes were fixed, he suddenly had a big drink and a move to bow his body and look at the moon The sword's momentum was like snow, mud and claws It was changeable and disillusioned It was unpredictable and directed directly at KuiGuang
剑势若雪泥鸿爪,翩然变化,幻灭万端,不可捉摸,犹如万箭齐发,直扑黑衣男子位置。
The sword's momentum is like snow, mud and claws It changes gracefully, disillusioned and unpredictable It is like a thousand arrows flying in unison, straight at the position of a man in black
婚姻是不可捉摸在于：一个乐观的男人加上一个乐观的女人，有时等于两个悲观主义者。
Marriage is unpredictable: an optimistic man and an optimistic woman sometimes equal two pessimists
他的意图如此不可捉摸,神秘黑暗的邪恶力量引诱着他们步入一个个生死迷局。
His intention is so elusive that the evil power of mysterious darkness lures them into a maze of life and death
从一个真实而又充满梦幻的梦境中醒来后,他的人生变得完全不可捉摸起来。
After waking up from a real and dreamy dream, his life became completely unpredictable
春日的天气总是带着几分不可捉摸,早上还是阳光灿烂,中午却有可能春雷阵阵大雨倾盆。
The weather in spring is always a bit unpredictable It's sunny in the morning, but it's possible that the spring thunder may rain heavily at noon
晚秋，是芦苇花盛开的季节。眼前那一望无际的洁白的轻盈的柔美的芦苇花儿，随着风从池畔铺天盖地的飘来。风儿在吹，苇杆在摇，朵朵苇花雪花般舞动着，让我感动，却又让我不可捉摸。
Late autumn is the season when reed flowers bloom At present, the endless white, light and soft reed flowers come with the wind from the pool The wind is blowing, the reed pole is shaking, and the reed flowers are dancing like snowflakes, which moves me, but makes me unpredictable
嗟夫,世事变化,如白云苍狗,不可捉摸,正是天道昭彰,报应不爽啊!
Ah Fu, the world is changing, like the clouds and the dogs, unpredictable It's just the way of heaven that is clear, and the retribution is not good!
主要是从云雾中变化出来,极尽诡奇之能事,动向无定,不可捉摸。
It mainly changes from the clouds and makes the most of strange things Its trend is uncertain and unpredictable
太阳，像一团快要熄灭的火球，几乎被那些混混沌沌的浓雾同蒸气遮没了，让你觉得它好像是什么密密团团，然而轮廓模糊不可捉摸的东西。
The sun, like a ball of fire about to go out, is almost covered by those chaotic fog and steam, which makes you think it is something dense, but the outline is vague and unpredictable
周易亦是被慕枫那阴阳怪气的声音吓了一跳,他从洛寒雪的衣服缝隙里望向外面,慕枫一脸阴郁,有着一种不可捉摸的神色。
Zhou Yi was also shocked by the strange voice of Mufeng He looked out from the gap of Luo's clothes Mufeng's face was gloomy and unpredictable
天幕内的天气跟它本身一样不可捉摸,刚刚还风和日丽,突然就整个黑沉沉下来,空中连接响起雷声,大有风雨欲来之势。
The weather in the sky curtain is just as unpredictable as it itself Just before it was sunny, the whole darkness suddenly fell, and thunder was heard in the air
这个人整天不言不语，令人不可捉摸。
The man is unspoken and unpredictable all day
靠近地平线的太阳，像一团快要熄灭的火球，几乎被那些混混沌沌的浓雾同蒸气遮没了，让你觉得它好像是什么密密团团，然而轮廓模糊不可捉摸的东西。
The sun near the horizon is like a fireball that is going out It's almost covered by the fog and steam It makes you feel like something dense, but its outline is vague and unpredictable
光阴似水,岁月无情,神州浩土,大千世界,万物皆有定时,生老病死皆有定数,不可拿捏,不可捉摸,世人唯有在天地之间挣扎求存。
Time is like water, time is merciless, Shenzhou is vast, the world is vast, everything has timing, birth, death and death have a fixed number, can not be pinched, unpredictable, the world only struggles between heaven and earth to survive
这些喜欢卖弄风情的美国姑娘,真是世界上最不可捉摸的怪物
These American girls who like to show off are the most unpredictable monsters in the world
这个人愿意为我流尽鲜血，牺牲生命，但他却不能向我公开藏在他内心一角的小小的秘密。友谊啊，你不过是过眼的烟云，你象阳光一样光明灿烂，但只是可供观赏而不可捉摸的虚无缥缈之物……
This man is willing to shed blood and sacrifice his life for me, but he can't disclose to me the little secret hidden in his inner corner Friendship, you are just a passing oke cloud You are as bright as the sun, but you are only an intangible thing to watch
希诺转头望着布莱恩,露出了一个不可捉摸的诡异表情。
Hino turned his head to look at Brian, with an eerie expression
灵气亦实亦虚,介于虚实之间,不可捉摸。
Spirit is also real and virtual, between the real and the virtual, unpredictable
但有谁知道他光辉的背后,却是不可捉摸的命运接驳游戏之后,他的身体在何处又处于何种的状态这一款充满神奇的超时代游戏,隐藏着什么样天大的秘密
But who knows the unpredictable fate behind his brilliance Where is his body after the game What kind of state is his body in What kind of big secret is hidden in this magical super era game
运气一变,世间万物都变的不可捉摸。
When luck changes, everything in the world becomes unpredictable
行为乖戾的人,性情都是不可捉摸的。
The disposition of a grumpy man is unpredictable
世界上最不可捉摸的是什么是影子!
What's the most unpredictable thing in the world It's shadow!
未来永远不可捉摸,为了未来的存在而努力生存,是通过未来之门唯一的途径。
The future is always elusive Striving to survive for the existence of the future is the only way through the door of the future
因此，每一个商品不管你怎样颠来倒去，它作为价值物总是不可捉摸的。
Therefore, no matter how you toss and turn every commodity, it is always unpredictable as a value
他看着那道淡红色的伤口,眼神透露出一种不可捉摸的深邃,他拿起肖静言的手说,这个,是怎么回事。
He looked at the light red wound, his eyes revealed an indescribable depth He picked up Xiao Jingyan's hand and said, "what's the matter"
有时这张网中却会出现一些小概率的事件,导致网络的破裂,破裂区域的命运将如同不确定原理下的量子般不可捉摸。
Sometimes there will be some all probability events in this work, which will lead to the work rupture, and the fate of the rupture area will be as unpredictable as the quantum under the uncertainty principle
在这个充满了暴力和不可捉摸的女人面前,李陵实在是没有丝毫的念头去忤逆了。
In front of this violent and unpredictable woman, Li Ling had no idea of disobedience
树林中,透着寂静,阳光正透过树叶间的林荫照射下来,像繁星在空中闪烁,有些刺眼,却十分晶莹美丽,透着不可捉摸的静谧。
There was silence in the forest The sun was shining through the shade among the leaves It was shining like stars in the air It was dazzling, but it was crystal clear and beautiful It was an unpredictable silence
乔剑生淡漠的眸子突地一缩,眼神瞬间变得不可捉摸。
Qiao Jiansheng's indifferent eyes suddenly shrunk and became unpredictable
这个静止不是绝对的,雪儿依然还在向下摔去,那条毒蛇依然还在向雪儿咬去,只是在宁道眼中那速度不再是迅如闪电,那行动的轨迹亦非不可捉摸。
This stillness is not absolute, Xueer is still falling down, the viper is still biting Xueer, but in Ning Dao's eyes, the speed is no longer as fast as lightning, and the track of action is not unpredictable
一个罩着白色面纱的青衣老妇人坐在石桌旁,石桌上放着一壶茶水和几盘点心,茶水的热气袅袅亭亭,更显得青衣老妇人神秘和不可捉摸。
An old woman in blue with a white veil sat at the stone table On the stone table, there was a pot of tea and a few plates of snacks The heat of the tea was curling up, which made the old woman in blue mysterious and unpredictable
这人的心思不可捉摸。
The man's mind is unpredictable
幽暗而诡异的孢子林,原本是上古圣所最美丽的地方,现在却因受到黑暗力量的侵蚀而变得诡异不可捉摸。
The dark and weird spore forest, originally the most beautiful place in the ancient sanctuary, is now weird and unpredictable due to the erosion of the dark forces
相遇相知,命运的安排总是让人不可捉摸。
Meet each other, the fate of the arrangement is always unpredictable
你不要以为机会像一个到你家里来的客人，他在你门前敲着门，等待你开门把它迎接进来，恰恰相反，机会是一件不可捉摸的活宝贝，无影无形，无声无息，假如你不用苦干的精神，努力去寻求它，也许永远遇不着它。
You don't think that opportunity is like a guest coming to your house He knocks at your door and waits for you to open the door to welcome it in On the contrary, opportunity is an unpredictable treasure, invisible and silent If you don't have to work hard to seek it, you may never meet it
他们似乎愿意把所有的事情都做到尽善尽美,并在其中寻觅那不可捉摸而又俯拾即是的“道”。
They seem to be willing to do everything perfectly, and look for the elusive and ubiquitous "Tao" in it
他的整个人在一些真正的行家眼中,倏忽之间好像变得不可捉摸起来。
In the eyes of some real experts, his whole person suddenly seems to be unpredictable
他经常做一些让人不可捉摸的事。
He often does something unpredictable
形容不可捉摸的成语不可思议造句子
青春是一个不可思议的伟大力量。他催发青年人的躯体，启迪他们的智慧。同时它也灌输热烈的感情和坚强的理智。
你这次能够拿到这个名额真的是不可思议的。
这种俗不可耐的广告,竟然出现在热闹非凡的十字街头,不可思议!
青春是一个不可思议的伟大力量。它催发着青年人的躯体，启迪着他们的智慧。同时它也灌输着热烈的感情和坚强的理智。
一旦变换看问题的角度，你的生活质量就会提高，幸福快乐就会接踵而来。别交出掌握命运的主动权，也别指望局面本身会不可思议地好转。
实际上，人们的联合是不可思议的，是一条神奇的“友爱”纽带把所有的人联系在一起。
玉兰花一开，就让人感到不可思议。前两天我看到它们时还是光秃秃的，树枝瘦骨伶仃伸向天空，干枯得看不到生命的征兆。
生命中会出现很多的不可思议的事和人，但我还是会全然接受曾经经历的一切。人生匆匆，本来就有太多的不可思议，有太多的无可奈何。或许，在这些曾经徘徊和彷徨的日子里，我读懂了潜在的人生。
不可思议吗世界上又有多少事不可思议!而最不可思议的正是人，人的感情。
命运是一件很不可思议的东西。虽人各有志，往往在实现理想时会遭遇到许多困难，反而会使自己走向与志趣相反的路，而一举成功。我想我就是这样。松下幸之助
不可思议的想法，很可能就是一个惊天的发现。
你必须独立思考。我总还是感到不可思议，为什么高智商的人不动脑子的去模仿别人。我从别人那里从没有得到过什么高招。
其工程之大,成立之速,真所谓鬼斧神工,不可思议者也。
早起我看到光明，我立刻觉得在这世界里我不是一个生人，那不可思议，不可名状的，已以我自己母亲的形象，把我抱在怀里。
他平时学习不认真，期末考试居然能得满分，真是太不可思议了。
他这个人简直不可思议!
王阳的有些行为让人不可思议。
其工程之大,工艺之精,真所谓鬼斧神工,不可思议。
既然母爱不可思议，拥有者更是一个幸运儿了。像那个儿子一样，因为有了母爱，而幸福。不管再贫寒，你我也总是一个幸福的人。这篇见证母爱的文章，也让我想坠落一次，坠落在柔碎的泪眼中，坠落在母爱的天堂里。
大受小知,他们竟要抢劫,真是不可思议。
他孤身一人在原始森林中生活了年,真是不可思议。
像这样文理不通的文章,居然也能见报,真不可思议。
命运是一件很不可思议的东西。
我觉得，当书本给我讲到闻所未闻，见所未见的人物、感情、思想和态度时，似乎是每一本书都在我面前打开了一扇窗户，让我看到一个不可思议的新世界。
在当今社会上，卓越、非常好只是一般般，我的标准是不可思议、超越非凡。
在结尾时，她们分成三组合起好像一座金光四射的宝塔，这多么不可思议。啊!场上掌声又是一片。一千双手不够我来写一千双眼不够我来看，一千对耳朵不够我来听，一千张嘴不够我来言。
青春是一个不可思议的伟大力量。它催发着青年人的躯体，启迪着他们的智慧。同时它也灌输着热烈的盛情和坚强的理智。
现代高能物理到了量子物理以后，有很多根本无法做实验，在家用纸笔来算，这跟数学家想样的差不了多远，所以说数学在物理上有着不可思议的力量。
他说，不可思议的是，有的推销员回到家里，甚至连妻子都不知道他是卖什么的。
美德和缺点都具有一种不可思议的性质，拥有得越多，你会以为自己具备得越少。
古埃及人用什么方法建筑起金字塔，至今仍让人不可思议。
啊，天呐，太神奇了。我的妈呀。我的天呀。上帝啊。太不可思议了。这是真的吗。
你必须独立思考。我总是感到不可思议为什么高智商的人不动脑子地去模仿别人。我从别人那里从没有讨到什么高招。
命运是一件很不可思议的东西。虽人各有志，往往在实现理想时会遭遇到许多困难，反而会使自己走向与志趣相反的路，而一举成功。我想我就是这样。松下幸之助。
命运是一件很不可思议的东西。虽人各有志，但往往在实现理想时，会遭遇到许多困难，反而会使自己走向与志趣相反的路，而一举成功。
仅管外表看来只是一个娇弱的女子，但是师父内在所蕴涵的那股不可思议的精力与耐力，却是我们望尘莫及的。
排除所有不可能的，剩下的那个即使再不可思议，那也是事实。
这是我一生中碰到的最不可思议的事情，就好像你用一颗英寸的大炮去轰击一张纸而你竟被反d回的炮d击中一样。很生动地描述了汤姆逊模型碰到的困难，即原子不可能是质量均匀分布大小为埃的球。
至今为止，我们仍然无法揣测耶和华神把这样一棵树安设在伊甸园的原因，也更无法猜测为什么人一吃这树上的果子就会导致如此严重的后果。无论如何，这棵善恶树上的果子必定是寓示着丰富的内涵的，因为我们看到人吃了它就发生了一系列令人不可思议的转变，这个转变也就是堕落。
形容不可捉摸的成语虚无缥缈造句子
人要到月亮上去，以前认为是虚无缥缈的想法，而现在则是确实可行的事实。
People want to go to the moon, which used to be thought of as an illusory idea, but now it is a practical fact
用虚无缥缈的仙境来安慰自己的心灵或用宗教来麻痹自己，这是古人的智慧，也是古人的宿命。
It is the wisdom and destiny of the ancients to comfort their souls with the illusory fairyland or to paralyze themselves with religion
想象是雨中望远山，虚无缥缈；想象是海底的宝藏，神秘莫测。
Imagination is a distant mountain in the rain, which is illusory; imagination is a treasure under the sea, which is mysterious
人所需要的只是虚无缥缈和亮光以及干干净净和井井有条。
All one needs is emptiness and light, and cleanliness and order
珍奇的事物定然是虚无缥缈的。
The precious things are certainly illusory
远处的山在雾中显得虚无缥缈若隐若现。
The mountains in the distance seemed ethereal and looming in the fog
他虚无缥缈的前途，就像是大海中的一叶孤舟，不知哪里才能靠岸。
His illusory future, like a lonely boat in the sea, can't know where to land
春天成了一首诗，像虚无缥缈的春风般拂过。
Spring has become a poem, blowing like an ethereal spring wind
做人要实实在在，不要想那些虚无缥缈的。
Be real, don't think about the illusory
作为一种分析框架，遇到互联网时经济学会变得虚无缥缈。
As an ytical framework, economic learning becomes illusory when it comes to the Inter
这都是虚无缥缈的事，那里有甚么神仙鬼怪！我却向来不信这个。
It's all illusory What are the gods and ghosts there! I never believed that
建造虚无缥缈的空中楼阁，到头来只是镜中花水中月，竹篮打水一场空。
To build a castle in the air is only to spend the moon in the mirror
崇高并不是虚无缥缈的神话，它是客观存在的实体。
Sublime is not a myth, but an entity of objective existence
年少时期，我只是停留在舞蹈那虚无缥缈的肤浅理解层面上。
When I was young, I just stayed at the superficial understanding level of dance
It的用法（专项总结）
一、人称代词
1，it的最基本用法是作代词，主要指刚提到的事物，以避免重复:
①They watched the train until it disappeared in the distance
2，也可以指动物或婴儿(未知性别的婴儿或孩子):
②Is this your dog？No, it isn’t
③They got a baby and it was a ten-pounder
3，也可指抽象事物或指抽象环境和情景:
③I hate it when people talk with a full mouth．
二、非人称代词
1it有时并不指具体的东西而泛指天气、时间、日期、距离、价值、度量、温度、环境等：
⑴指天气：It is a lovely day, isn’t it ⑵指时间: It was nearly midnight when she came back
⑶指日期:It is April First today ⑷指距离:It is some 3000 kilometers from A to B
⑸指价值:It is three dollars ⑹指温度:Today it is 30 degrees centigrade
三、其他用法
1在句子的主语不太明确时充当主语，表示谁在做某事：
①Who is it there It's I (me/you/he) ②I thought it was Mary, but it was not she
③Her face lighted when she saw who it was
2泛泛的指某件事： (有时泛指一般情况)
①It doesn’t matter ②It is a shame, isn’t it ③How is it going(情况怎样)
④It says in the newspaper that
3it用在一些词组中，it 没有特别的意思
The last train's gone Come on, we'll foot it(来，咱们步行吧。)
四、作形式主语，替代主语从句，动词不定式，或动名词短语：
1作形式主语替代主语从句
⑴It is clear ( obvious， true， possible， certain) that 从句 常译为＂┅清楚的（显然的，真的，可能的,肯定的．．．）＂
It is very clear that he’s round and tall like a tree = That he’s round and tall like a tree is very clear
⑵It is important ( necessary， right， strange， natural) that 从句 常译为┅是重要的(必要的,对的,奇怪的,自然的┅)that 后的从句中要用虚拟语气（should + 动词原形），should 可以省去，建议记住该句型中的形容词。
①It is important that we (should) learn English well②It is necessary that he (should) remember these words
⑶It is said (reported/ learned/believed/thought/known/told/hoped) that 从句 常译为＂据说（据报道，据悉．．．）＂。
①It is said that he has come to Beijing ②It is reported that another earth satellite has been put into orbit
⑷It is suggested ( advised/ ordered / demanded/ insisted/ commanded ) that 从句that 后的从句要用虚拟语气（should + 动词原形），should 可以省；常译为＂据建议；有命令．．．）
①It is suggested that the meeting ( should ) be put off
②It was ordered that we ( should ) arrive there in two hours
⑸It is time ( about time ，high time ) that从句(虚拟语气:动词用过去时did)
① It is time that children went to bed
⑹It is the first ( second ) time that从句(从句用现在完成时 have done )
It was …(从句用过去完成时had done )常译为＂是第一（二）．．．次．．．＂。
It is the first time I have been here = This is the first time I have been here
⑺It is a pity ( a shame /an honour/a good thing/a fact,/a surprise/ ) that从句
that后的从句一般用虚拟语气（should + 动词原形），should可省去．表示出乎意料，常译为＂竟然＂。没有这种意义时，则不用虚拟语气。
①It is a pity that such a thing ( should ) happen in your class 这种事竟然发生在你们班上，真是遗憾！
②It is a pity that he is ill 他生病了，真遗憾！
⑻It happens (seems， looks， appears ) that从句常译为 “ 碰巧…,似乎是…,看起来…”
①It happened ( so happened ) that he met his teacher in the street 碰巧．．
②It seems that he will be back in a few days 看来．．．
2作形式主语替代不定式
⑴ It is kind ( of sb ) to do sth 不定式的逻辑主语是由 of引起，主句中的形容词必须是能表示逻辑主语特征的褒义或贬义形容词。 常见的词有：
bad ， brave ， careless， clever ， cruel ， foolish ， good （好心的）， honest ， horrible ， kind ， lazy ， modest ， naughty ， nice（有教养的）， polite， rude ， silly ， stupid ， wise ， wrong（错误的）等。 这个句型可以改写为：sb is kind to do sth 。 如:It is kind of you to say so = You are kind to say so
⑵It is necessary ( for sb ) to do sth 不定式的逻辑主语是由for引起，主句中的形容词通常是表示重要性，紧迫性，频繁程度，难易，安全等情况的中性形容词。 常见的形容词有：
important， necessary， natural easy ， safe ， common ， normal ， hard ， difficult ， dangerous ， unusual， rare ， impossible ， pleasant
如:It is important for her to come to the party = It is important that she (should ) come to the party
⑶It takes sb to do sth 常译为＂做．．．要花费某人．．．＂。
如:It took thousands of people many years to build the Great Wall
3作形式主语替代动名词短语
It is no good / no use / useless doing sth 常译为 “┅有好处或没有用”
①It is no good learning English without speaking English
②It's useless trying to argue with Shylock
五、作形式宾语，代替不定式，动名词短语或宾语从句。
We think it important to learn a foreign language
该句型中的it 作形式宾语，该结构中常用的动词有：think, believe, make ,find consider, feel； 如:
We think it our duty to clean our classroom every day
He felt it important learning English well
They found it difficult that they would finish their work in two days
The Internet makes it easier for companies to keep in touch with customers
CF: keep sth, in mind / keep in mind that
六、it的重要句型
1强调句型: It is/was + 被强调部分 + that 从句 (被强调的主语如果是人，that可以由who换用)
①It was about 600 years ago that the first clock with a face and an hour hand was made
②It was they that (who ) cleaned the classroom yesterday
特例:It is not until + 被强调部分 + that 该句型也是强调句型。主要用于强凋时间状语，译成汉语＂直到．．．才．．．＂，可以说是 not until 的强调形式。
It was not until she took off her dark glasses that I realized she was a famous film star
如今，不少企业都想拥有属于自己企业或产品的手机APP，但其中最困扰企业主的问题就是：开发一款手机APP到底需要多少钱？
简单点来说，要视手机APP的需求及质量而言，价位一般在几千到十几万左右，更高端的价格更高。
今天，我们就来详细分析一下这个问题，请继续往下看吧。
一、APP开发款式分为固定款和定制款，两者的价格均不相同
固定款：是指直接套用已有的、现成的APP固定模板，报价是固定的，所需要的功能也是固定的，缺点就是客户拿不到源代码，也不能根据企业需求进行定制，由于源代码是封装的，如果企业以后想进行功能升级或系统维护的话，也不能够实现，只能重新开发一个新的软件。
固定款的APP开发时间短，约2~3日的时间即可完成，费用大约在几千到几万之间。
定制款：定制款是指APP的功能全部重新开发，过程比较繁琐，需要美工、策划、APP开发（前台/客户端/手机端）、后台程序员等工种协同完成，大型的、功能复杂的APP甚至需要数十人的团队。
由于APP的功能和设计都是定制的，因此价格会高些。定制款的开发时间与开发价格是成正比的，开发时间长，大约在两三个月甚至不定的周期里才能完成，而费用大概在几万甚至十几万左右。
因此，想要知道开发一款手机APP需要花费多少钱，企业主首先必须把APP的详细需求和功能告知APP开发公司，开发公司才能报出一个合理的价格。
二、手机APP平台不同，制作成本也不一样
现在市面上流行的手机APP制作平台主要有两种一般包括两种系统：安卓系统（Android）和苹果系统（IOS）。
一般来说，制作苹果系统的手机APP软件费用要比安卓平台的贵一些，因为苹果公司对苹果平台的封闭性和手机APP开发语言Objective-C的难度，都让APP开发者加大了苹果系统手机APP开发的难度。
三、APP制作成本包含参与人员的工资
通常情况下，开发一款APP需要产品经理、客户端工程师、后端工程师和UI设计师各一名，这已经是制作手机APP应用软件比较精简的配置了，所以这些参与人员的工资也是包含在APP制作成本当中的。这些工作人员的月薪加起来可能都会超过4、5万元。
四、APP开发公司的所在地
需要注意的是，同样实力的APP开发公司，在不同的城市也会导致APP的成本费用高一些
The Great Wall
The Great Wall of China is considered to be the only man-made project visible from the moon Although it was once thought to have been built entirely during the Qin Dynasty beeen 221 and 208 BC, it is now believed to have been started earlier
The 15-foot-high, 25-foot-wide, 1,500-mile-long structure was undoubtedly built to keep out invading enemies To the mon people of the empire, who had been forced to build the wall, it was not worth it, however The wall, and other public works pleted by the Qin Dynasty,had caused great losses of wealth and human life in the country As a result,an angry population rose up in rebellion against the Qin Dynasty,and in 207 BC the Han Dynasty began
Because of its rich history and magnificent appearance,the Great Wall attracts tourists, scientists, and historians to this day and will continue to do so for generations
长城
中国的长城被视为惟一能从月球上看到的人造工程。人们曾认为长城全部修建于公元前22l到208年的秦朝，但现在人们相信长城的修建要开始得更早。
修建这一高15英尺，宽20英尺，长1500英里的建筑无疑是用来抵御外敌入侵的。但对帝国中被迫修建长城的百姓而言，实在不值得。秦代建筑的长城再加上完成的其他公共工程给这个国家的财产和生命带来了巨大损失。结果，一群愤怒的人揭竿而起反对秦朝，公元前207年汉朝开始。
长城有着悠久的文化和宏伟的外观，因此直到今天还在吸引着旅游者、科学家和史学家前来参观，而且在今后许多年仍会如此。
颐和园(Summer Palace)
Situated in the western outskirts of Haidian District, the Summer Palace is 15 kilometers (93 miles) from central Beijing Having the largest royal park and being well preserved, it was designated, in 1960 by the State Council, as a Key Cultural Relics Protection Site of China Containing examples of the ancient arts, it also has graceful landscapes and magnificent constructions The Summer Palace is the archetypal Chinese garden, and is ranked amongst the most noted and classical gardens of the world In 1998, it was listed as one of the World Heritage Sites by UNESCO
Constructed in the Jin Dynasty (1115-1234), during the succeeding reign of feudal emperors; it was extended continuously By the time of the Qing Dynasty (1644-1911), it had bee a luxurious royal garden providing royal families with rest and entertainment Originally called "Qingyi Garden" (Garden of Clear Ripples), it was know as one of the famous "three hills and five gardens" (Longevity Hill, Jade Spring Mountain, and Fragrant Hill; Garden of Clear Ripples, Garden of Everlasting Spring, Garden of Perfection and Brightness, Garden of Tranquility and Brightness, and Garden of Tranquility and Pleasure) Like most of the gardens of Beijing, it could not elude the rampages of the Anglo-French allied force and was destroyed by fire In 1888, Empress Dowager Cixi embezzled navy funds to reconstruct it for her own benefit, changing its name to Summer Palace (Yiheyuan) She spent most of her later years there, dealing with state affairs and entertaining In 1900, it suffered again, being ransacked by the Eight-Power Allied Force After the success of the 1911 Revolution, it was opened to the public
Composed mainly of Longevity Hill and Kunming Lake, The Summer Palace occupies an area of 294 hectares (7265 acres), three quarters of which is water Guided by nature, artists designed the gardens exquisitely so that visitors would see marvelous views and be amazed by perfect examples of refined crafork using the finest materials
Centered on the Tower of Buddhist Incense (Foxiangge) the Summer Palace consists of over 3,000 structures including pavilions, towers, bridges, and corridors The Summer Palace can be divided into four parts: the court area, front-hill area, front-lake area, and rear-hill and back-lake area
Front-Hill Area: this area is the most magnificent area in the Summer Palace with the most constructions Its layout is quite distinctive because of the central axis from the yard of Kunming Lake to the hilltop, on which important buildings are positioned including Gate of Dispelling Clouds, Hall of Dispelling Clouds, Hall of Moral Glory, Tower of Buddhist Incense, the Hall of the Sea of Wisdom, etc
Rear-Hill and Back-Lake Area: although the constructions are fewer here, it has a unique landscape, with dense green trees, and winding paths Visitors can feel a rare tranquility, and elegance This area includes scenic spots such as Garden of Harmonious Interest and Suzhou Market Street
Court Area: this is where Empress Dowager Cixi and Emperor Guangxu met officials, conducted state affairs and rested Entering the East Palace Gate, visitors may see the main palace buildings: the Hall of Benevolence and Longevity served as the office of the Emperor, the Hall of Jade Ripples where Guangxu lived, the Hall of Joyful Longevity, Cixi's residence, the Hall of Virtue and Harmony where Cixi was entertained
Front Lake Area: covering a larger part of the Summer Palace, opens up the vista of the lake A breeze fluttering, waves gleam and willows kiss the ripples of the vast water In this fortable area there are the Eastern and Western Banks, the Seventeen-Arch Bridge, Nanhu Island, and so on On the western bank float six distinct bridges amongst which the Jade-Belt Bridge is the most beautiful
颐和园
颐和园是我国现存最完好、规模最宏大的古代园林。位于北京市海淀区境内，距天安门20余公里，占地290公顷。
颐和园原为封建帝王的行宫和花园，远在金贞元元年 （1153年）即在这里修建“西山八院”之一的“金山行宫”。明弘治七年（1494年）修建了园静寺，后皇室在此建成好山园。1664年清廷定都北京后，又将好山园更名为“瓮山行宫”。清乾隆年间，经过15年的修建工程，将该园改名为“清漪圆”。此时的清漪园，北自文昌阁至西宫门筑有围墙，东、南、西三面以昆明湖水为屏障，园内修建了许多亭台楼阁，桥廊斋榭，山清水秀，富丽堂皇。咸丰十年（1860年），英法联军疯狂抢劫并焚烧了园内大部分建筑，除宝云阁（俗称“铜亭”）智慧海、多宝 琉璃塔幸存外，珍宝被洗劫一空，建筑夷为一片废墟。光绪十四年（1888年）慈待太后挪用海军经费3000万两白银，在清漪园的废墟上兴建起颐和园。光绪二十六年（1900年）颐和园又遭八国联军的野蛮破坏，后慈禧又动用巨款重新修复。数百年来，这里一直是封建帝王、皇室的享乐之地，解放辟为公园。1961年国务院公布颐和园为全国重点文物保护单位。
颐和园包括万寿山、昆明湖两大部分，园内山水秀美，建筑宏伟。全园有各式建筑3000余间，园内布局可分为政治、生活、游览三个区域。政治活动区，以仁寿段为中心，是过去慈禧太后和光绪皇帝办理朝事、会见朝臣、使节的地方。生活居住区，以玉澜堂、宜芸馆、乐寿堂为主体，是慈禧、光绪及后妃居住之地。风景游览区，以万寿山前山、后山、后湖、昆明湖为主， 是全园的主要组成部分。
在世界古典园林中享有盛誉的颐和园，布局和谐，浑然一体。在高60米的万寿山前山的中央，纵向自低而高排列着排 云门、排云股、德辉殿、佛香阁、智慧海等一组建筑，依山而立， 步步高升，气派宏伟。以高大的佛香阁为主体，形成了全园的中心线。沿昆明湖北岸横向而建的长廊，长728米，共273间， 像一条彩带横跨于万寿山前，连结着东面前山建筑群。长廊中有精美柁画 14000多幅，素有“画廊”之美称。位于颐和园东北角，万寿山东麓的谐趣园，具有浓重的江南园林特色，被誉为 “园中之园”。
占全园总面积四分之三的昆明湖，湖水清澈碧绿，景色宜人。在广阔的湖面上，有三个小岛点缀，其主要景物是西堤、西堤六桥、东堤、南湖岛、十七孔桥等。湖岸建有廓如亭、知春亭、凤凰墩等秀美建筑，其中位于湖西北岸的清晏舫（石访）中西合璧，精巧华丽，是园中著名的水上建筑。后山后湖，林茂竹青，景色幽雅，到处是松林曲径，小桥流水，风格与前山迥然不同。山脚下的苏州河，曲折蜿蜒，时狭时阔，颇具江南特色。在岸边的树丛中建有多宝琉璃塔。后山还有一座仿西藏建筑——香岩宗印之阁，造型奇特。苏州街原为宫内的民间买卖街，现已修复并向游人开放。拥山抱水，绚丽多姿的颐和园，体现了我国造园艺术的高超水平。
用英语介绍一下中国十大名胜古迹1Constructs in ancient and moderns in China and abroad all humanities, most famous should be China's Great Wall Great Wall testimony ancient times area south of Yellow River agriculture civilization and north beeen nomads at daggers drawn intense resistance 古今中外所有的人类建筑中，最著名的一座应该就是中国的万里长城。长城见证了古代中原农业文明和北方游 牧民族间剑拔弩张的激烈对抗the great wall
2桂林位于广西壮族自治区东北部，地处亚热带，气候温和,独特的喀斯特地貌与景象万千的漓江及其周围美丽迷人的田园风光融为一体，形成了独具一格、驰名中外的“山青、水秀、洞奇、石美”的“桂林山水”，并有了“桂林山水甲天下”的美誉。Guilin located at the Guangxi Zhuang Autonomous Region northeast, is situated at the subtropics, the climate is temperate, the unique karst landform and the picture myriad Lijiang River and periphery the beautiful enchanting rural scenery merged into one anic whole, forms has been in a class by itself, “Shan Qing, Shui Xiu, the hole to be wonderful renowned at home and abroad, stone US” “Guilin scenery”, and had “Guilin scenery armor world” fine reputation (Guilin scenery )
3Hangzhou Xihu 杭州西湖风景区以西湖为中心，分为湖滨区、湖心区、北山区、南山区和钱塘区，总面积达49平方公里。西湖的美在于晴中见潋滟，雨中显空蒙。无论雨雪晴阴，在落霞、烟雾下都能成景；在春花，秋月，夏荷，冬雪中各具美 态。湖区以苏堤和白堤的优美风光见称。The Hangzhou Xihu scenic spot take Xihu as a center, divides into the lake front area, the center of the lake area, the Beishan Mountains area, the Mt Nan area and Qian Tangqu, the total area amounts to 49 square kilometers Xihu's US lies in clearly sees Lian yan, in the rain obviously empties Mongolia Regardless of sleet clear cloudy, under the pen name, the og can bee the scenery; In the spring flower, harvest moon, summer Holland, in winter snow each US condition The lake district sees by Su Di and Bai Dike's exquisite scenery called
4Beijing Imperial Palace Beijing Imperial Palace is the Ming and Qing Dynasties o generation of imperial palaces, also calls Forbidden City All previous dynasties palace “likely the day sets up the palace” to express that the monarchial power “has a mandate from heaven” Because Mr is an emperor, emperor's palace is similar to the God housing “the purple palace” the restricted area, therefore Forbidden City 北京故宫是明清两代的皇宫，又称紫禁城。历代宫殿都“象天立宫”以表示君权“受命于天”。由于君为天子，天子的宫殿如同天帝居住的“紫宫”禁地，故名紫禁城。
5Suzhou botanical garden苏州有园林200余处,现在保存尚好的有数万处,并因此使苏州素有"人间天堂"的美誉之称以其意境过清、构筑精致、艺术高雅、文化内涵丰富而成为苏州众多古典园林的典范和代表。 Suzhou has botanical garden 200, now preserved Shang Hao to have several thousand, and, therefore caused Suzhou was known as " the heaven on earth " name of the fine reputation, was excessively clear by its ideal condition, the construction to be fine, art was lofty, the cultural connotation enriched bees the Suzhou numerous historic gardens the models and representative
6Mt Huangshan 黄山是中国著名风景区之一黄山集名山之长。泰山之雄伟，华山之险峻，衡山之烟云，庐山之瀑，雁荡山之巧石，峨眉山之秀丽，黄山无不兼而有之。Mt Huangshan is one of Chinese famous scenic spots, Mt Huangshan collection famous mountains strong point Taishan's grandness, Huashan's danger, Mt Hengshan's oke cloud, Mt Lushan's waterfall, Yandangshan's skillful stone, Mt Emei's beauty, Mt Huangshan has all
7Three Ges of the Yangtze River
长江三峡西起重庆市的奉节县,东至湖北省的宜昌市,全长205千米。自西向东主要有三个大的峡谷地段：瞿塘峡，巫峡和西陵峡。三峡因而得名。West Three Ges of the Yangtze River Chongqing's Fengjie County, east to Hubei Province's Yichang, span 205 kilometers Mainly has three big canyon land sectors from west to east: Qutangxia, Wu Ge and Xiling Ge The Three Ges therefore acquire fame
8Taiwan Riyue Tan 日月潭是台湾的“天池”，湖周35公里，水域9平方公里多，为全省最大的天然湖泊，也是全国少数著名的高山湖泊之一。其地环湖皆山，湖水澄碧，湖中有天然小岛浮现，圆若明珠，Riyue Tan is Taiwan “Tianchi”, the lake week 35 kilometers, the waters more than 9 square kilometers, are the entire province biggest natural lakes, is also one of national minority famous mountain lakes Its surrounds the lake mountain, the lake water is all clear blue, in the lake has the natural island to reappear, if circle pearl,
9Chengde summer resort 承德避暑山庄是由众多的宫殿以及其它处理政务、举行仪式的建筑构成的一个庞大的建筑群。建筑风格各异的庙宇和皇家园林同周围的湖泊、牧场和森林巧妙地融为一体。避暑山庄不仅具有极高的美学研究价值，而且还保留着中国封建社会发展末期的罕见的历史遗迹。The Chengde summer resort is as well as other handles the government affairs, a hold ceremony's construction constitution huge architectural plex by the numerous palaces The architectural style varies the temple and the royal family botanical garden with the periphery lake, the pasture and the forest merge into one anic whole ingeniously The summer resort not only has the extremely high esthetics research value, moreover is also retaining China feudal society development last stage rare historical traces
10Qinling burial figures of warriors and horses 秦兵马俑场面宏大，威风凛凛，队列整齐，展现了秦军的编制、武器的装备和古代战争的阵法。秦陵兵马俑被称为“世界第八大奇迹”The Qin burial figures of warriors and horses scene is great, powerful, the formation was neat, has unfolded Qin Jun's establishment, the weapon equipment and an ancient times war's law The Qinling burial figures of warriors and horses, are called “the world eighth big miracle”
这么辛苦,希望你能用的上
英语作文《中国的名胜古迹》您好：Three Ges are situated ① in the middle reaches of the Yangtze River, and are famous throughout the world
The Three Ges are: the Xiling Ge（西陵峡）, Wu Ge（巫峡）and Qutang Ge（瞿塘峡） Along with them there are a number of beautiful places of interest, such as, Zhaojun Village, Qu Yuan Temple and Baidi Town
The Gezhouba Dam is at the entrance to the Ges A big power station has been built here Since the reform and open policies began to be carried out, great changes have taken place and the Three Ges of the Yangtze River have taken on a new look At present a large multipurpose water conservancy project ② is under construction
The Three Ges will benefit ③ the people more and make greater contributions to China The Great WallThe Great Wall runs across North China like a huge dragon, It winds its way from west to east, across deserts, over mountains, through valleys till at last it reaches the sea It's the longest wall on the earth, also one of the wonders in the world
The Great Wall has a history of more than 2000 years The first part was built during the Spring and Autumn Period All the walls were joined up in Qin DynastyAll tile work was done by hand Thousands of people died while building the wallThus the Great Wall came into existence
Since then, it has been rebuilt and repaired many times Now the Great Wall,the admiration of the world, has taken on a new look It's visited by large numbers of people from all parts'of the'country and the world
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写名胜古迹英语作文怎么写The Great Wall
The Great Wall of China is considered to be the only man-made project visible from the moon Although it was once thought to have been built entirely during the Qin Dynasty beeen 221 and 208 BC, it is now believed to have been started earlier
The 15-foot-high, 25-foot-wide, 1,500-mile-long structure was undoubtedly built to keep out invading enemies To the mon people of the empire, who had been forced to build the wall, it was not worth it, however The wall, and other public works pleted by the Qin Dynasty,had caused great losses of wealth and human life in the country As a result,an angry population rose up in rebellion against the Qin Dynasty,and in 207 BC the Han Dynasty began
Because of its rich history and magnificent appearance,the Great Wall attracts tourists, scientists, and historians to this day and will continue to do so for generations
关于名胜古迹的英语作文50个单词左有些Sunset Glow at Leifeng Pagoda
The pagoda and the white snake story, spread wide The story of the pagoda is located in West Lake south of the mountain Wu Yue Qian Hongchu Wang Song by Huang Feide sub built The beginning of a "yellow Feita" The original thirteen storey pagoda, a bad financial, intends to change seven, pleted only made five layer Structure of masonry inside, outside the building floor wooden Gallery, the inner wall of the block there are carved the Avatamsaka Sutra of Oplegnathus, tower dedicated copper gold sixteen Arhats like The canon of majestic building The site name hill Leifeng, later renamed the "Leifeng pagoda"
雷峰夕照
雷峰塔与白娘子的故事，流传深广。故事中的雷峰塔就位于西湖南岸夕照山上。宋吴越王钱弘俶因黄妃得子而建。初名“黄妃塔”。原拟建高十三层宝塔，由财力不济，拟改七层，峻工时只造了五层。结构为砖石内心，外建木构楼廊，内壁嵌有刻着《华严经》的条石，塔下供奉金铜十六罗汉像。建筑雄伟壮观，为藏经之所。因塔址小山名雷峰，后人改称“雷峰塔”。
求一篇关于旅游的英语作文，中国的名胜古迹The Palace Museum, also called the Forbidden City, is located in the center of Beijing The imperial palace used by emperors of the Ming and Qing Dynasties is the largest and most plete ancient wooden-strucure building plex in the world Construction of the Forbidden City started in 1406 and lasted 14 years Twenty-four emperors were enthroned there
中国的长城被视为惟一能从月球上看到的人造工程。人们曾认为长城全部修建于公元前22l到208年的秦朝，但现在人们相信长城的修建要开始得更早。
长城有着悠久的文化和宏伟的外观，因此直到今天还在吸引着旅游者、科学家和史学家前来参观，而且在今后许多年仍会如此。
The Great Wall
The Great Wall of China is considered to be the only man-made project visible from the moon Although it was once thought to have been built entirely during the Qin Dynasty beeen 221 and 208 BC, it is now believed to have been started earlier
Because of its rich history and magnificent appearance,the Great Wall attracts tourists, scientists, and historians to this day and will continue to do so for generations
黑竹沟位于峨边彝族自治县境内，核心景区约180平方公里，距峨眉山100公里、乐山大佛150公里。景区内山势雄险、古树参天、珍禽比翼、奇花争艳、瀑布飞悬、云岚缭绕，因此黑竹沟有中国“百慕大”之称，1999年被评为国家森林公园。黑竹沟景区为彝族聚居区，历史悠久，文化灿烂，民族风情古朴多彩，人文景观与自然景观融为一体，旅游资源特性强、类型多、品位高，具有较高的开发利用价值。
The Ebian Black Bamboo Ditch locates in Ebian Autonomy County, with core spot 180 square kilometers, which is 100 kilometers away from Mt Emei and 100 kilometers away from the Giant Buddha In the scenic area, the force of the mountains is dangerous, the old tree are towering, the rare birds wing to wing, the wonderful flower struggles, the waterfall colorfully flies hangs, the cloud mist winds around, therefore the Black Bamboo Ditch has the name of China "Bermuda" In 1999, it was evaluated the national forest park It is the munity area for Yi Minority, the history glorious, culture bright, the national character and style plain multi- colors, the humanities landscape and the natural landscape merge into one anic whole, the traveling resources’ characteristic strong, the types various, the grade is high, all of which have the high development value
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it用作形式主语可以代替下列从句：that从句。基本模式为： it＋系动词＋表语＋that从句。主要四种句型：（1）it＋be＋形容词＋that从句。what从句，what引导主语从句做形式主语。it作不定式的形式主语，基本模式为：it + be + 表语 + 不定式，或it +谓语动词+宾语 + 不定式。
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