Unit 4　Section A　Starting out & Understanding ideas 课后习题 （新教材）外研版（2020）选择性必修第三册.docx

1、Unit 4 A glimpse of the future Section A Starting out to relax 7.Everyone agrees that we all need a (good) understanding of culture than the past. 答案 better .短语填空 in the long run;hang out;have no choice but to;come true;so far;susceptible to;wipe out 1. we have done a lot to build a low-carbon econo

2、my,but it is far from ideal.We have to work still harder. 答案 So far 2.His wish to visit China has at last . 答案 come true 3.All these nearly-identical birds could be a common threat. 答案 susceptible to 4.The parents wondered where their guys because they had no news of them. 答案 had hanged out 5.He wan

3、ts the chance the memory of his poor performance last season. 答案 to wipe out 6. ,the economic crisis of the US appears unavoidable. 答案 In the long run 7.We only have one physical life to livewe make the most of it. 答案 have no choice but to .完成句子 1.我刚在那里度完假,想向大家推荐那儿。 I have just spent a holiday there

4、 and would . 答案 recommend it to everyone 2.多亏你的帮助,我们提前完成了任务。 ,we accomplished the task ahead of schedule. 答案 Thanks to your help 3.我们生活在同一个地球村,但这并不意味着我们的行为都是一样的。 We live in the same global village,but this doesnt mean that we all behave . 答案 in the same way 4.总的来说,这是一个相当不错的会议。 It was a pretty good c

5、onference . 答案 on the whole 素养提升 .阅读理解 A In the past decade,the use of social media has grown in a way that no one could have guessed.It has turned some teenagers into celebrities(名人) and turned the famous into the infamous,overnight. A key feature of social media,however,is its volatility.Trends co

6、me and go,disappearing almost as quickly as they appeared.So,what were the key social media trends of 2018? Short video apps such as TikTok and its Chinese equivalent Douyin,took the world by storm.The Telegraph reported that TikTok was ranked 8th on Apples App Store in April.And Douyin had more tha

7、n 300 million domestic monthly active users in June,CNBC said. Why are these short videoswhich are rarely longer than a few minutesso popular?Jiang Yige,Singapore-based analyst at FengHe Fund Management,has a theory.Short videos are “just right to fill in the little gaps in our busy schedules,” he t

8、old CNBC. These videosapart from being very convenientare important to teenagers because they allow them to express themselves,according to Teen Vogue. The sense of community that users of short video apps get is another appealing feature.Liza Koshy,a user of the US app Musically who has over 2 mill

9、ion followers,said that she was thrilled when anyone said that her video had “inspired” them.“Its really cool . because I think as social creators thats what we all are,” she added. Live streaming is another feature of our social media life that now seems as natural as sunrise.Its a pretty neat idea

10、:You can watch anyone,anywhere,live. However,China has taken live streaming to a whole new level.In China,more than 100 million viewers monthly watch a live streaming video.Forbes thought that a number of factors had led to the popularity of live streams.Among them is viewers ability to interact whi

11、le remaining anonymous. However,the boom in social media may be having side effects too.Fake news is one serious problem it arguably causes.Material shared on these platforms is often not checked for accuracy.The most basic content can be false and can sway users one way or another.We use social med

12、ia all the time;that doesnt mean that we understand the influence it is having on us.We should be mindful of both the time we spend on it and its impact on our minds. 【语篇解读】这是一篇议论文。文章主要讲述了社交媒体特别是短视频和直播的迅速流行是 因为短视频可以填补我们繁忙日程中的一些空白,而直播是我们社交媒体生活的另一个特点,在直播 过程中,观众可以拥有在保持匿名的同时进行互动的能力。然而,社交媒体的繁荣也可能产生像虚假 新闻

13、这样的负面影响。 1.The underlined word “volatility” in paragraph 2 possibly means “being ”. A.changeable B.steady C.promising D.violent 答案 A 解析词义猜测题。根据文章第二段中“Trends come and go,disappearing almost as quickly as they appeared.”可知,第二段画线单词 volatility的意思和 being changeable 相近。故选 A 项。 2.According to Liza Koshy,sh

14、ort videos are very popular because . A.they are very convenient B.they help people kill time C.they provide a sense of community D.they allow people to express themselves 答案 C 解析细节理解题。根据文章第六段中的“The sense of community.feature”及“Its really cool . because I think as social creators thats what we all a

15、re”可知,莉莎认为短视频很流行是因为它能够给 人们提供一种集体感。故选 C 项。 3.What can we learn about social media from the text? A.The information from social media is highly reliable. B.When it comes to social media,people know short videos best. C.People cant communicate with each other without social media. D.There is still much

16、 room for social media to make improvement. 答案 D 解析推理判断题。根据文章第九段中“However,the boom in social media may be having side effects too.”可知,社交媒体的发展仍然有上升的空间。故选 D 项。 B Google Street View is certainly a handy feature.You can get a look at a hotel youre planning to book to see what kind of area its in.You can

17、 also tell if it looks like its worth the money by the clear pictures.You can scan around a place youve never been to before to see where to park and plan accordingly.So how does Google Street View have pictures,for that matter? The primary way they get their photos is with their Google Street View

18、cars,which have special cameras that take photographs as they drive down public streets.Once the photographs have been taken,they immediately use computer processing to make them ready for use on Google Maps.The image- processing technology sticks the photos to create the seamless (无缝的)360-degree im

19、ages that youll see on Street View. Contributions from people can help keep Street View images updated.If theres a tiny county that doesnt have Google Street View cars,or a very geographically remote location where cars wouldnt be available,Google can use images from its volunteers.Volunteers like H

20、erve Andrieu,an enthusiastic Google local guide and editor of googlemaps.guru have 67,000 photos on Google Maps. In addition,Google also has a couple of other types of vehicles better equipped to handle rough land than cars.There are trolleys,snowmobiles,and three-wheelers,as well as a Street View T

21、rekker.This portable equipment allows people to bring the camera with them to get images that cars never could. 【语篇解读】这是一篇说明文。文章主要介绍了 Google Street View中图片的获得方法。一是 利用谷歌街景车,二是用志愿者提供的照片以及其他一些方法。 4.What is the text mainly about? A.The advantages of Google Street View. B.The ways for Google Street View

22、to get pictures. C.The portable equipment for Google Street View. D.The technology of making 360-degree Google images. 答案 B 解析主旨大意题。根据文章第一段“So how does Google Street View have pictures,for that matter?”可 知提出了谷歌街景为什么会有照片的问题。根据下文“The primary way they get their photos is with their Google Street View c

23、ars,which have special cameras that take photographs as they drive down public streets.”及“ If theres a tiny county that doesnt have Google Street View cars,or a very geographically remote location where cars wouldnt be available,Google can use images from its volunteers.”可知获得 谷歌街景图片的方法是通过利用谷歌街景车或由志愿

24、者提供图片。故选 B 项。 5.What contributes most photos to Google Street View? A.Volunteers. B.Map editors. C.Portable equipment. D.Google Street View cars. 答案 D 解析细节理解题。根据文章第二段中“The primary way they get their photos is with their Google Street View cars,which have special cameras that take photographs as they drive down public streets.”可知获取 照片的主要方式是使用他们的谷歌街景车。故选 D项。 6.Where is the text probably taken from? A.A tech website. B.A travel guide. C.A fashion magazine. D.An app advertisement. 答案 A 解析推理判断题。全文主要介绍了 Google Street View 这一科技产物获取图片的方法,属于科技类文 章,故选 A 项。