Unit 7 单元话题语法填空练习-2022-2023学年八年级英语上册单元重难点易错题精练(人教版

合集下载
  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

Unit 7单元话题语法填空专项练习
(2022·浙江·八年级课时练习)I think life in the future will be ____1____ (comfortable) than now, because there will be ____2____ (few) people living on the earth in the future. We may live on another planet. There is no ____3____ (pollute) and people will plant more trees and flowers on it, ____4____ the environment on that planet may be better ____5____ that on the earth.
People will get there ____6____ rocket and they won’t spend a lot of money in ____7____ (travel) on the rocket, because it will be very cheap. Before the trip, everyone will only need to buy a ticket and a spacesuit (太空服). The spacesuit will make people do things more ____8____ (easy) on the planet. They will also need to bring ____9____ (they) credit cards (信用卡). That is enough, because there will be houses, banks and shops on the planet.
I think everyone in the future will enjoy their life. Do you agree ____10____ me?
(2022·安徽·八年级课时练习)What will life be like in the future? Here are some predictions:
There will be more pollution and less fresh water because there will be more ____11____ (factory) and more water will be ____12____ (pollute). The environment will ____13____ (probable) be even more dangerous. Hundreds of people have to leave the earth by rocket to look for another planet ____14____ (live) on. They have to play a part in ____15____ (build) more space stations and live like the astronauts.
But some people ____16____ (agree). They think there’s nothing to be afraid of. The sky won’t fall ____17____. On one side, people will plant more trees. They will live in a big apartment and never use paper money. On another side, people in ____18____ (Japanese) have already made many different shapes of robots do jobs for them over and over ____19____. They will use robots like human servants inside their home. In ____20____ word, they believe life will be more comfortable in the future and there will be world peace. It’s possible for people to travel in space or in the deep sea during their holiday.
(2022·湖北恩施·八年级期末)阅读下面短文,在空白处填入一个适当的单词或括号内单词的正确形式(不超过3词)。

Life in the future will be different ___21___ life today. Scientists will make computers ___22___ smaller and more useful. People will work fewer hours than they ___23___ (do) now and this will make life easier. __24__ (travel) will be much cheaper and more people will go to __25__ (another) countries for holidays. We will use more land ___26___ (build) new cities and __27__ (little) land for ___28___ (cow) and sheep. This will make meat more expensive. No one will eat ___29___ every day if we eat more fruit and vegetables, and we __30__
(2022·湖南衡阳·八年级期末)阅读下面短文,在空白处填入一个适当的词或填入括号中所给单词的正确形式。

Rita: I will have a lot of changes(变化)in the future, such __31__ my looks, my work and my hobbies.
I think I will have long brown hair. I will be __32__(fat)than now and I will be taller than now. I would like to be an English __33__ because I like children and I think they are clever and lovely. I can help children open their eyes and I believe I can give them a good start. So I must learn English __34__(good).
As for my hobbies, I like drawing cartoon characters and reading magazines. But in the future I’ll often skate and sing songs because they are exciting and interesting and they can keep me __35__(health).
I hope my future plans will come true.
Tina: I am not really sure what I’ll be doing in the future. And I think the future is far away from me. I guess that I __36__ be an interpreter or a pilot. I like English. I think English is very __37__(use)but it is very difficult.
I like travelling, too. I want to travel around the world. But I’m too __38__ to enjoy my life now. On weekdays I have many subjects to learn. And on weekends I have many friends to play with. Sometimes we go shopping and sometimes we do many __39__(difference)things. In the future, I will have a good family and I must look __40__ my parents well because I have grown up. I don’t worry about the future. I’m really sure I will have a good future if I work hard.
(2021·广东深圳·八年级期末)阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入一个适当的词或使用括号中词语的正确形式填空。

并将答案填写在答题卡规定的位置上。

Yesterday afternoon when I was on the bus coming home from school, I fell asleep and started to dream. In the dream, it was the year 2080 and I ____41____ (drive) my car named CJ5 to the supermarket. CJ5 was in the shape of a blue whale ____42____ could fly faster than any other car in the sky. Later, I ____43____ (meet) my best friend Andy in the supermarket. He told me about his wonderful week. ____44____ Tuesday, he got a present from his aunt. It was a computer watch ____45____ (connect) with the Internet. Although it looked the same as other watches, it could ____46____ (use) as a computer. How ____47____ (surprise)!
Just then I felt someone touched ____48____ (I) on the shoulder. I woke up and saw the driver of the bus. He said ____49____ (gentle), “Boy, it’s time to get off.” So that’s where my dream ended. How I wish I could have ____50____ car like CJ5!
(2021·山东·枣庄市山亭区教育和体育局教研室八年级期末)阅读下面材料并填空。

有的答案要填入适当
When we watch movies about the future, we sometimes see ____51____ (robot). They are usually like human servants. They help with the housework and do jobs like working in dirty or____52____ (danger) places. Today there are already robots working in factories. They do simple jobs over and over again and never get ____53____ (bore).
Scientists are now ____54____ (try) to make robots look like humans and do the same things____55____ we do. However, some scientists think that it will be difficult ____56____ (make) them really think like a human. For example, scientist James White thinks that robots will never be able to wake up and know where they are. ____57____ many scientists disagree with Mr. White. They think that robots will even be able to talk like humans ____58____ 25 to 50 years.
Some scientists believe that there ____59____ (be) more robots in the future. However, they agree it may take hundreds of years. These new robots will have many different shapes. Some will look like humans, and others might look like animals. We never know ____60____ will happen in the future!
(2022·全国·八年级)阅读下面短文,在空白处填入一个恰当的词或填入括号中所给单词的正确形式。

Today is the ____61____ (one) day of the new term. At the ____62____ (begin) of the class, Mr. Chen asked us what our New Year’s ____63____ (resolution) were and what we wanted to be in the future. Here are some of my classmates’ answers.
Helen said, “I want to be a doctor because I want to save people’s lives. To make my dream come ____64____, I’m going to study much ____65____ (hard) so that I can get into a good university to study medicine.”
Li Jun said, “I’m good at writing. So I hope to be a ____66____ in the future. I’m going to keep ____67____ writing stories and send them to magazines and newspapers.”
Tony said, “Many people think I’m good at talking. Yes, I am! When I ____68____ up, I want to be a guide and show people ____69____ different countries. To make their trips to other countries easier, I need to learn ____70____ (speak) different languages.”
(2022·四川·青神县教学研究中心八年级期末)No one can be sure what the weather is going to be like in the future, but many people think there are going to be some changes (变化).
Scientists say that in many places it’s going to be much ___71___ (hot) and it’s going to rain less. Some countries in Africa are going to become very dry all year, and it’s going to be almost ___72___ (possible) for people to find food and water. In Southern Europe and the United States, it’s going to be more difficult for
No one knows how much the temperature ( 气温) is going to go up, ___76___scientists say that the change is going to be at least 2℃. They say that the ice in the Arctic (北极) is going to melt (融化) in the next years and a lot of the animals there are going to ___77___ (die). There is also going to be more water in ___78___ sea, so cities near the sea are going to disappear (消失).
Another problem is that there are going to be more hurricanes and typhoons (飓风和台风). Scientists say they are going to ___79___(happen) all over the world, and many people are going to lose ___80___ (they) homes.
(2021·全国·八年级专题练习)根据短文内容和括号内的单词提示,补全短文
In ten years, I think I ______81______ (be) a reporter. I ______82______ (live) in Shanghai, because I ______83______ (go) to Shanghai last year and fell in love with it. I think it’s really a beautiful city. As a reporter, I think I ______84______ (meet) lots of interesting people. I think that ______85______ (be) very exciting. I believe I ______86______ (live) in an apartment with my best friends, because I don’t like living alone. I ______87______ (have) pets. I can’t have any pets now because my mother _______88_______ (hate) them, and our apartment is too small. So in ten years, I _______89_______ (have) many different pets. I might even keep a pet parrot! So you see, my life in ten years _______90_______ (be) very exciting and I can’t wait!
参考答案:
1.more comfortable2.fewer3.pollution4.so5.than6.by7.travelling##traveling8.easily9.their10.with 【导语】本文是作者在畅想未来的生活。

1.句意:我认为未来的生活会比现在更舒适,因为未来地球上的人会更少。

根据“than”可知,此处应用形容词比较级,故填more comfortable。

2.句意:我认为未来的生活会比现在更舒适,因为未来地球上的人会更少。

分析上下句可知,此处暗含比较含义,故填fewer。

3.句意:没有污染,人们会在上面种更多的树和花。

根据“There is no...”可知,此处应使用名词形式,故填pollution。

4.句意:所以在那个星球上的环境可能比在地球上要好。

前后两句构成因果关系,前因后果,用so连接,故填so。

5.句意:所以在那个星球上的环境可能比在地球上要好。

根据“the environment on that planet may be better...that on the earth”可知,此处用形容词比较级,than“比”符合语境,故填than。

6.句意:人们将乘坐火箭到达那里,他们不会在乘火箭旅行上花很多钱,因为它很便宜。

根据“people will get there...rocket”可知,此处表示“乘火箭”,故填by。

7.句意:他们乘坐火箭旅行不会花很多钱。

in是介词,其后加动名词作宾语,故填travelling/traveling。

8.句意:宇航服将使人们在这个星球上做事情更容易。

此处是在句中修饰动词,用副词形式,故填easily。

9.句意:他们还需要带上信用卡。

此处作定语修饰“credit cards”,用形容词性物主代词,故填their。

10.句意:你同意我的观点吗?agree with sb“同意某人的观点”,故填with。

11.factories12.polluted13.probably14.to
live15.building16.disagree17.either18.Japan19.again20.one##a
【导语】本文是对未来生活的预测。

11.句意:将会有更多的污染和更少的淡水,因为将会有更多工厂和更多的水被污染。

空前有more修饰,名词用复数形式,故填factories。

12.句意:将有更多的污染和更少的淡水,因为将会有更多的工厂和更多的水被污染。

句子主语water与动词之间是被动关系,此处用被动语态,结合“will be”可知,此处是一般将来时的被动,故填polluted。

13.句意:环境可能会更加危险。

空处修饰句中的形容词,应用副词形式,故填probably。

14.句意:数以百计的人不得不乘坐火箭离开地球,寻找另一颗可以生存的星球。

空处作后置定语,用不定式形式,故填to live。

15.句意:他们必须参与建造更多的空间站,像宇航员一样生活。

介词in后接doing形式,故填building。

16.句意:但有些人不同意。

根据“They think there’s nothing to be afraid of.”及上文的描述可知,这里介绍的是不同的观点,指的是“一些人不同意”,陈述事实用一般现在时,主语是复数名词,动词用原形,故填disagree。

17.句意:天也不会塌下来。

结合语境可知,此处表示“也”,否定句末用either,故填either。

18.句意:另一方面,日本人已经制造了许多不同形状的机器人。

根据“people in...have already made many different shapes of robots”可知,此处指的是“在日本的人们”,应用Japan“日本”,故填Japan。

19.句意:日本人已经制造了许多不同形状的机器人,一次又一次地为他们工作。

结合“have already made many different shapes of robots do jobs for them over and over...”可知,此处表示“一次次地”,over and over again“反复不断地”,故填again。

20.句意:总之,他们相信未来的生活会更舒适,世界会和平。

根据“they believe life will be more comfortable in the future and there will be world peace”可知,此处是总结文章,指的是“总之”,表达为in one/a world,故填one/a。

21.from22.much23.are doing24.Traveling25.other26.to build27.less28.cows29.it30.will become
【导语】本文讲述了未来的生活将不同于今天的生活,并列举了几个例子。

21.句意:未来的生活将不同于今天的生活。

固定短语be different from“与……不同”,故填from。

22.句意:科学家将使计算机变得更小更有用。

根据“smaller and more useful. ”可知此处应用much来修饰比较级,故填much。

23.句意:人们的工作时间将比现在更短,这将使生活更容易。

根据“now”可知应用现在进行时,主语是they,be动词用are,故填are doing。

24.句意:旅行将会更便宜,更多的人会去其他国家度假。

此空是位于句首,应用动名词形式作主语,故填Traveling。

25.句意:旅行将会更便宜,更多的人会去其他国家度假。

根据“countries ”可知应用other修饰名词复数,故填other。

26.句意:我们将用更多的土地来建设新的城市,而用更少的土地来饲养牛羊。

build“建立”,是动词,此处应用不定式作目的状语,故填to build。

27.句意:我们将用更多的土地来建设新的城市,而用更少的土地来饲养牛羊。

根据“more land”可知此处应用less land 与之对应,表示“用更少的土地饲养牛羊”,故填less。

28.句意:我们将用更多的土地来建设新的城市,而用更少的土地来饲养牛羊。

cow是可数名词,此处应用复数表示类别,故填cows。

29.句意:没有人会每天吃它,如果我们吃更多的水果和蔬菜,我们会变得更健康。

此空需要一个代词,代指meat“肉”,it符合,故填it。

30.句意:没有人会每天吃它,如果我们吃更多的水果和蔬菜,我们会变得更健康。

if引导的条件状语从句,遵循“主
将从现”原则,主句用一般将来时:will do,故填will become。

31.as32.fatter33.teacher34.well35.healthy36.will37.useful38.busy39.different40.after
【导语】本文是两位同学对未来的计划。

31.句意:未来我会有很多变化,比如我的长相、工作和爱好。

根据“ such…my looks, my work and my hobbies.”可知,此处在举例,such as“比如”,故填as。

32.句意:我会比现在更胖,并且也会比现在更高。

结合“than”用比较级。

故填fatter.
33.句意:我想成为一名英语老师因为我喜欢孩子,我认为他们聪明可爱。

根据“because I like children and I think they are clever and lovely”。

此处指成为一名英语老师,an+名词单数。

故填teacher。

34.句意:所以我必须学好英语。

根据“ learn English”可知,此处使用副词修饰动词。

故填well。

35.句意:但在未来我会经常滑冰和唱歌,因为它们既刺激又有趣,可以让我保持健康。

根据“keep me”,此处使用形容词,healthy“健康的”,故填healthy。

36.句意:我想我会成为一名口译员或飞行员。

根据“And I think the future is far away from me.”和“be an interpreter or a pilot” 可知,此处指会成为,使用一般将来时,结构为will be。

故填will。

37.句意:我认为英语很有用但是很难。

结合“is”,此空用形容词useful“有用的”作表语。

故填useful。

38.句意:但我现在太忙了,无法享受生活。

结合“On weekdays I have many subjects to learn. And on weekends I have many friends to play with.”可知,很忙,使用形容词busy“忙碌的”,故填busy。

39.句意:有时我们去购物,有时我们做很多不同的事情。

修饰things用形容词,different“不同的”。

故填different。

40.句意:在未来,我会有一个好家庭,我必须照顾好我的父母,因为我已经长大了。

根据“look …my parents well”,此处指照顾好父母,look after“照顾”。

故填after。

41.was driving42.and43.met44.On45.connected46.be used47.surprising48.me49.gently50.a
【导语】本文主要讲述了作者在回家的公交车上做了一个奇怪的梦。

41.句意:在梦里,那是2080年,我正开着我的车CJ5去超市。

根据“it was the year 2080”可知,用过去进行时描述正在开车,主语是“I”,be动词用was。

故填was driving。

42.句意:CJ5是蓝鲸的形状,可以飞得比天空中任何其他汽车都快。

分析句子结构可知,前后两句是并列关系,用and连接,故填and。

43.句意:后来,我在超市遇到了我最好的朋友安迪。

根据“later”和全文时态可知,是一般过去时态,结合英文提示,
met符合句意。

故填met。

44.句意:星期二,他从他姑姑那里得到了一份礼物。

on+星期,位于句首,首字母大写,故填On。

45.句意:这是一块连接到互联网的电脑手表。

根据“a computer watch”和“connect”可知,两者是动宾关系,因此用过去分词形式作定语,故填connected。

46.句意:虽然它看起来和其他手表一样,但它可以用作电脑。

根据“it”和“use”可知,两者是动宾关系,故用被动语态,could是情态动词,其后接动词原形,故填be used。

47.句意:多么令人惊讶啊!根据“How+形容词/副词+(主谓)”,此处表示对以上内容表示惊讶,需要形容词,故填surprising。

48.句意:就在那时,我感到有人拍了一下我的肩膀。

根据“touched”可知,动词用人称代词宾格形式,故填me。

49.句意:他温柔地说:“孩子,该下车了。

”根据“said”可知,副词修饰动词,故填gently。

50.句意:我多希望我能有一辆像CJ5那样的车啊!根据“car”可知,需要不定冠词表示泛指,car是辅音音素开头,故填a。

51.robots52.dangerous53.bored54.trying55.as56.to make57.But58.in59.will be60.what
【分析】本文是说明文,短文介绍了机器人的作用以及未来的机器人。

51.句意:当我们看关于未来的电影时,我们有时会看到机器人。

robot“机器人”,是可数名词;由下文主语“they”可知用复数形式,故填robots。

52.句意:他们帮助做家务,在肮脏或危险的地方工作。

danger“危险”用作名词,空处修饰名词“places”作定语,可知用形容词,故填dangerous。

53.句意:他们一遍又一遍地做着简单的工作,从不感到无聊。

bore表示“令人厌烦”,作动词;get是表变化系动词,后接表语形容词;boring“令人厌倦(或厌烦)的”,用于物;bored“无聊的”,用于人,二者都是bore的形容词形式;本句主语they指“机器人”,可知是说机器人不会感觉无聊,故填bored。

54.句意:科学家们正在努力使机器人看起来像人类,并做和我们一样的事情。

try“尝试”,由“now”可知本句是现在进行时,用“are doing”结构,故填trying。

55.句意:科学家们正在努力使机器人看起来像人类,并做和我们一样的事情。

根据上文“Scientists are now trying to make robots look like humans”,可知是说让机器人做一些像我们做的一样的事情,as“如同/和……一样”符合语境,故填as。

56.句意:然而,一些科学家认为,让它们真正像人类一样思考将是困难的。

本句是固定句型“It is/was/will be +形容词+不定式+其他”结构,it是形式主语,后面的不定式是真正主语,可知用make的不定式,故填to make。

57.句意:但许多科学家不同意怀特先生的观点。

根据下文“They think that robots will even be able to talk like humans”,
可知是说很多科学家不同意怀特先生的观点,和上文是转折关系,需用but连接;位于句首需大写首字母,故填But。

58.句意:他们认为,在25到50年后,机器人甚至将能够像人类一样说话。

根据题干“They think that robots will even be able to talk like humans…25 to 50 years”,可知说的是25到50年以后的事,需用in表示未来的一段时间,故填in。

59.句意:一些科学家相信未来会有更多的机器人。

in the future“在将来”,是一般将来时的标志,可知本句是there be 结构的一般将来时,结合题目要求“答案不多于3个单词”,所以用“there will be/”结构,故填will be。

60.句意:我们永远不知道将来会发生什么!分析句子结构,本句是宾语从句;设空处作从句动词happen“发生”的宾语,需用what引导,故填what。

61.first62.beginning63.resolutions64.true65.harder66.writer67.on68.grow69.around70.to speak
【分析】文章介绍了新学期开始,同学们各自的计划以及将来想做什么。

61.句意:今天是新学期的第一天。

根据空前的“the”可知,此空应该填序数词。

“one”的序数词是first。

故填first。

62.句意:在课程开始时,陈老师问我们的新年计划是什么。

at the beginning of“在……的开始”,是固定短语,故填beginning。

63.句意:在课程开始时,陈老师问我们的新年计划是什么以及我们未来想做什么。

根据“Mr. Chen asked us”可知,此空应该用“resolution”的复数。

故填resolutions。

64.句意:为了实现我的梦想,我将更加努力地学习。

此处指的是come true“实现梦想”,故填true。

65.句意:为了实现我的梦想,我将更加努力地学习,这样我就可以进入一所好大学学习医学。

根据“I’m going to study”可知,此处指的是“学习更努力”,空格前有much修饰,形容词用比较级形式,故填harder。

66.句意:所以我希望将来成为一名作家。

根据“I’m good at writing.”可知,此处说的是想成为作家,空格前有a修饰,名词应用单数形式,故填writer。

67.句意:为了成为一名作家,我要继续写故事,并寄给杂志和报纸。

根据句意可知,此处指的是“继续做某事”,英语表达为keep on doing sth,故填on。

68.句意:当我长大后,我想成为一名导游。

根据“I want to be a guide”可知,此处指的是“长大”,表达为grow up,主语是第一人称I,动词用原形,故填grow。

69.句意:我想成为一名导游,带领人们游览不同的国家。

根据空后“different countries”可知,此处是指“游览不同的国家”,应该用around“围绕,环绕”。

故填around。

70.句意:为了让他们更容易去其他国家旅行,我需要学习说不同的语言。

根据“different languages”可知,此处指的是“讲不同的语言”,应该用动词speak,此处是learn to do sth“学会做某事”,故填to speak。

71.hotter72.impossible73.plants74.finding75.in76.but77.die78.the79.happen80.their
【分析】这是一篇说明文。

文章描述了因气候变化导致温度升高等一系列问题,严重影响了动物、植物和人类的生存环境,造成了非常严重的后果。

71.句意:在许多地方,天气将变得热更热,下雨更少。

根据空前much的修饰,可知此处应使用hot的比较级形式。

重读闭音节结尾且词末只有一个辅音字母,一般情况下需要双写词尾加er,故填hotter。

72.句意:对于人们来说,找到食物和水几乎是不可能的。

根据前文“Some countries in Africa are going to become very dry all year”可知天气非常恶劣,生存条件变得更加糟糕,故填impossible。

73.句意:植物生长变得更加困难。

可数名词单数在句中不能单独使用,需要变成复数表示一类事物,故填plants。

74.句意:未来,那里的人们在寻找食物方面也会有困难。

have problems doing sth.是固定句型,故填finding。

75.句意:未来,那里的人们在寻找食物方面也会有困难。

“在未来in the future”是固定短语。

故填in。

76.句意:没有人知道气温要升高多少,但科学家认为这种变化至少是2℃。

分析本句,发现空格前后是两个结构完整的句子,故空格处需要填写一个连词,前文“No one knows…go up”和后文“scientists say … at least 2℃.”之间存在转折关系,故填but。

77.句意:北极的许多动物将会死去。

结合上文“the ice in the Arctic (北极) is going to melt (融化) ”可知北极气温的变化导致北极动物的生存环境变恶劣,故动物们将会死去。

“be going to”后需要添加动词原形,故填die。

78.句意:大海中将会有更多的水。

“在大海里”正确表达为“in the sea”,故填the。

79.句意:科学家说这些将在全世界范围内发生。

“be going to”后需要加动词原形,故填happen。

80.句意:许多人将失去家园。

此处需要用形容词性物主代词来修饰名词,故填their。

81.will be82.will live83.went84.will meet85.will be86.will live87.will have88.hates89.will have90.will be
【分析】文章主要是作者畅想十年后的生活情况。

81.句意:十年后,我想我会成为一名记者。

根据“In ten years”可知,句中的动作还没有发生,应用一般将来时,结构是“will+动词原形”,故填will be。

82.句意:我将住在上海。

描述将来的动作,应用一般将来时,结构是“will+动词原形”,故填will live。

83.句意:因为我去年去了上海并爱上了它。

根据“last year”可知,句子应用一般过去时,动词用过去式,故填went。

84.句意:我想我会遇到很多有趣的人。

描述将来的动作,应用一般将来时,结构是“will+动词原形”,故填will meet。

85.句意:我想那将是非常令人兴奋的。

描述将来的动作,应用一般将来时,结构是“will+动词原形”,故填will be。

86.句意:我相信我会和我最好的朋友住在一套公寓里。

描述将来的动作,应用一般将来时,结构是“will+动词原形”,故填will live。

87.句意:我会养宠物。

描述将来的动作,应用一般将来时,结构是“will+动词原形”,故填will have。

88.句意:我现在不能养宠物,因为我妈妈讨厌它们。

根据“now”可知,此处描述现在的事情,应用一般现在时,主语是my mother,动词用三单形式,故填hates。

89.句意:所以十年后,我会养很多不同的宠物。

根据“So in ten years”可知,此处描述将来时的事情,应用一般将来时,结构是“will+动词原形”,故填will have。

90.句意:所以你看,我十年后的生活将非常激动人心。

根据“in ten years”可知,此处描述将来时的事情,应用一般将来时,结构是“will+动词原形”,故填will be。

答案第7页,共7页
答案第8页,共1页。

相关文档
最新文档