2019-2020学年北师大版英语必修2课时作业含解析：Unit 4 Period One

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1、Period One Warm-up & Lesson 1 Tomorrows WorldPre-reading.阅读理解A(2018辽宁大连高一检测)In the near future，we may be using our eyes to operate our smart-phones and tablets，even when it comes to playing popular games like Fruit Ninja.The Gaze Group has been developing eye-controlled computer technology for nearl

2、y 20 years.But those devices have been firstly designed to help those with disabilities，and are very expensive.“After a while，we figured out that probably the best way is to go for a mass-market way， ” says Gazes Sune Alstrup Johansen， “where everybody would have this available.”Johansen and some of

3、 his colleagues have formed a new company，The Eye Tribe，which is hoping to develop the technology on a mass commercial level.The technology works when combined with the computing device toward the users face.After making sure of the users eye movements，the technology is then able to easily find wher

4、e a persons eyes are moving，and then allow the eyes to control a cursor(光标).“Our software can then determine the location of the eyes and know where youre looking on the screen to make sure what youre looking at， ” reads an explanation on The Eye Tribe site.There has been a gradual change toward han

5、ds-free technology in recent years，particularly in the gaming world.Recently Xbox released the Kinect device，which lets users control their Xbox and play certain games using only their hands，legs and voices.But still，most of these devices have been more of a gimmick than a practical way to use ones

6、hands to control a mobile device.Johansen said a replaceable filter(滤光器) would be a cheap，convenient way for most consumers.And even as companies like The Eye Tribe work to create such a product for the average user，making the eye-controlled technology more accessible and less expensive will have si

7、milar benefits for physically disabled users.For more articles on modern science，please CLICK here.语篇解读 本文主要介绍了在不久的将来，人们手中的智能手机和平板电脑或许可以用眼睛操控了，甚至在玩像水果忍者这样的流行游戏时也是如此。1.Which of the following is the main idea of the passage?A.An introduction of a new device.B.An introduction of smart-phones.C.An intro

8、duction of eye-controlling technology.D.An introduction of a new technology for the disabled.答案 C解析 主旨大意题。本文主要介绍了在不久的将来，我们可能会用我们的眼睛操作我们的智能手机和平板电脑，甚至在玩像水果忍者这样的流行游戏时也是如此。故选 C。2.The underlined word “gimmick” probably means “ ”.A.truth B.phoneC.trick D.review答案 C解析 词义猜测题。根据画线词所在句可知，它不是一种用手控制移动设备的实用方法，由此

9、可以猜测出这些设备大多只是一种噱头，也就是一种用以吸引人的技巧，故画线词gimmick 的意思是： trick(技巧，诡计)。故选 C。3.According to the passage，we can learn that .A.the eye-controlling technology was first developed for the blindB.there is no such a phone as we can use only with our eyes at presentC.the present developing of the technology will br

10、ing no goodD.the eye-controlling technology is only intended for the disabled people答案 B解析 细节理解题。根据第一段“In the near future，we may be using our eyes to operate our smart-phones and tablets，even when it comes to playing popular games like Fruit Ninja.”可知，不久的将来我们可能会有这样的智能手机，所以说目前我们还没有这样一部用眼睛控制的手机。故选 B。4

11、.This passage is probably taken from .A.an experiment report B.a science fictionC.a school textbook D.a science website答案 D解析 文章出处题。最后一段“For more articles on modern science，please CLICK here.”中的“CLICK”是“点击”的意思，由此可以推断出该文章摘自一个科学网站。故选 D。BHidden from the noise of Washington，D.C.，Hillwood Museum is a spe

12、cial treasure.It contains one of the finest personal collections of Russian and French art in the world.Hillwood Museum was once the home of Marjorie Merriweather Post.She was a rich businesswoman.She owned one of the largest food companies in the United States.She was also very interested in collec

13、ting beautiful French art and furniture.She moved to Russia in the 1930s as her third husband，Joseph Davies，became the American ambassador (大使) in Moscow.Marjorie Merriweather Post had a love for Russian art as well.She bought the house in Washington in 1955 and she wanted to make it into a museum a

14、fter her death.Many art experts helped Mrs Post create its fine collection.Hillwood has many rooms which are filled with her treasures.Visitors can see beautiful music boxes from the eighteenth century and colorful paintings of European princesses (公主).Experts say the ancient wood and gold furniture

15、 from France is some of the finest ever made.Visitors can even look at Mrs Posts jewels and clothes.The museum also has several beautiful gardens.One is designed like the gardens in Japan.It has a bridge and visitors can watch flowers floating in the water.Flowers are also grown all the year in a sp

16、ecial glass building or greenhouse.These flowers are placed in the house throughout the year.After a walk，visitors can rest at a nearby eating place.They can also buy objects to remember this special museum.语 篇 解 读 Hillwood Museum是 一 个 特 殊 的 宝 库 。本 文 介 绍 了 它 的 特 殊 之 处 。5.From the second paragraph，we

17、 can learn that Marjorie Merriweather Post .A.lived near Hillwood MuseumB.owned a food company in FranceC.was a successful businesswomanD.was good at painting and designing答案 C解析 细节理解题。根据第二段中的“She was a rich businesswoman.She owned one of the largest food companies in the United States.”可知，Marjorie

18、Merriweather Post 是一个成功的女商人。故选 C。6.Marjorie Merriweather Post moved to Russia because .A.she liked the environment thereB.her husband had a job thereC.she wanted to collect art worksD.she hoped to meet some art experts答案 B解析 细节理解题。根据第三段第一句“She moved to Russia in the 1930s as her third husband，Joseph

19、 Davies，became the American ambassador(大使) in Moscow.”可知，Marjorie Merriweather Post 搬到俄罗斯是因为她的丈夫在那里工作。故选 B。7.Which of the following treasures is NOT mentioned in the text?A.Paintings of Japanese princesses.B.Mrs Posts jewels and clothes.C.Ancient wood and gold furniture.D.Eighteenth centurys music b

20、oxes.答案 A解析 细节理解题。根据第四段第二、三、四句可知 B、C 、D 三项都被提到了，只有 A项没有被提到。8.What is special about the museums gardens?A.There are some rock hills.B.They are all built in Japanese style.C.Flowers are grown all the year.D.There are some restaurants.答案 C解析 细节理解题。根据倒数第二段中的“Flowers are also grown all the year in a spec

21、ial glass building or greenhouse.”可知它的特殊之处就是一年四季都种花。故选 C。CFor many kids，the Internet is at their fingertips.From computers to smartphones，a web of information is open to them.According to a new report from the Pew Research Center，about three out of four kids aged 12 to 13 connect the Internet using

22、a mobile device(移动设备) from time to time.Many younger kids are online too.Julian Zeitlinger,9，from New Jersey，uses his computer to watch videos and play games.To keep him safe online，his parents monitor(监测 ) his web use and discuss Internet safety with him.“I ask my parents for help if something is w

23、rong， ” Julian says.Mobile devices offer more ways than ever to share personal information.The information can be dangerous in the wrong hands.A study found that 62% of children aged 8 to 17 have had an unpleasant online experience.Have you ever had to enter a parents e-mail address when signing up

24、for a website? That safety net is there because of the Childrens Online Privacy Protection Act (COPPA).The law says sites for kids under 13 cannot collect personal information，such as a phone number or full name， without a parents permission(允许).This July，the Federal Trade Commission (FTC) will upda

25、te COPPA for the first time since the law was created，in 1998when there were no smartphones.“The nature of the way kids get online has changed， ” FTC lawyer Phyllis Marcus said.When the changes take effect，COPPA will apply to mobile devices and newer forms of advertising.It will expand what falls un

26、der “personal information” to include videos， photographs and services that give user location (位置 ).COPPA doesnt cover everything that can go wrong online.Thats why kids and parents need to know what to look out for and to stop and think before sharing information online.“There is a misunderstandin

27、g that if a site is following COPPA，it is totally safe， ” says privacy expert Shai Samet.He runs KidSAFE，which checks whether a site meets KidSAFE standards and is safe.“Its important that kids know how useful the Internet is but that it also can be dangerous if you are not careful， ” he adds.语篇解读 本

28、文是一篇说明文。主要介绍了儿童上网的安全问题及 COPPA 法案的成因及发展等。9.Julians parents check his web use to make sure .A.he doesnt watch too many videosB.he doesnt play computer gamesC.he stays safe on the InternetD.he controls his online time答案 C解析 细节理解题。根据第二段中的“To keep him safe online，his parents monitor(监测) his web use”可知，朱利

29、安的父母监测他的上网情况是为了确保他的网络安全。10.How does the author explain childrens unpleasant online experiences?A.By describing his own experiences.B.By presenting scientific research.C.By showing differences.D.By using examples.答案 B解析 写作手法题。根据第三段中的“A study found that 62% of children aged 8 to 17 have had an unpleas

30、ant online experience.”可知，作者主要是通过引用研究结果来说明孩子们不愉快的上网经历。11.People often hold the wrong idea that .A.formal websites are always safeB.the Internet is becoming safer and saferC.COPPA can ensure their complete safetyD.daily checks prevent future online problems答案 C解析 细节理解题。根据最后一段中的“There is a misundersta

31、nding that if a site is following COPPA，it is totally safe”可知，人们认为遵循 COPPA 法案的网站可以确保他们上网的绝对安全，然而事实表明，这是一种误解。12.Whats the main purpose of the text?A.To ask parents to look out for their kids.B.To tell people to be careful online.C.To offer tips on online safety.D.To introduce an online law.答案 B解析 写作意

32、图题。通读全文特别是文章最后一句中的“it also can be dangerous if you are not careful”可知，本文旨在告诫人们在上网时应该小心谨慎。故 B 项符合题意。.七选五Richards father died when he was five.Later on he lost his mother.An old woman felt sorry for the poor boy and often helped him.Of course he had no money to go to school.He had to work for a rich f

33、armer.The man paid him nothing except food and clothes. 13 He found some old books near the school and taught himself to read and write.14 It connected the village and the town.One morning people found there was a big stone on it.It stopped them from going to the town.They had to move it away，or the

34、y had to cross the mountain if they had something to do in the town.But the stone weighed at least thirty tons and the strongest young man couldnt do that. 15 Richard looked at it carefully for a while and said， “I have a way to move it away.” But few men believed him. 16 Night fell and people went

35、home.Only the boy stayed there.To their surprise，the villagers found the stone was gone the next morning.They didnt know which spirit had moved it away. 17 “How could he？” the rich farmer called out.“Hes only fifteen！He couldnt move it at all！”“He dug a big hole beside the stone， ” said the old woma

36、n， “And then he could easily push it into the hole！”Looking at each other，the farmers couldnt say a word.A.There seemed to be nothing strange in the village.B.The old woman said Richard had done it all by himself.C.There was a narrow path between two mountains.D.But the boy didnt lose heart.E.Some f

37、armers even laughed at the boy.F.The boy hoped he could do something for the villagers someday.G.They discussed for a long time，but nobody knew what to do.语 篇 解 读 本 文 是 一 篇 记 叙 文 ，讲 述 了 理 查 德 移 动 挡 住 村 民 道 路 的 石 头 的 故 事 。13.答案 D解析 空格处前文提到“理查德没有钱上学而给人干活，但那个富有的农民只给他提供食物和衣服” ，后文又提及“他找到一些书，自学阅读和书写” ，由此可

38、见，他并没有丧失信心。故 D 项“但那个男孩却没有灰心”符合语境。14.答案 C解析 根据后文中的“它连接村庄和城镇”可知空格处提及的应该是道路，故 C 项“两座山之间有一条狭窄的小路”符合题意。15.答案 G解析 前文提到“由于石头太重，最强壮的年轻人都没有办法移动” ，下一段提及“理查德说他有办法移动石头” ，所以空格处为承上启下的句子，故 G 项“他们讨论了很久，但是没有人知道该怎么办”符合语境。16.答案 E解析 根据前文中的“几乎没有人相信他”可知，空格处与前文为递进关系，故 E 项“有些农民甚至嘲笑这个男孩”符合语境。17.答案 B解析 前文提到“大家不知道是谁移动了石头” ，下一段提到“有农民问他怎么做到的” ，由此可知空格处的内容是有人说明了是理查德移动了石头，故 B 项“那位老太太说是理查德自己移动的”符合语境。