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1、課時(shí)作業(yè)(八)　[必修2　Unit 3　Computers] (限時(shí)：30分鐘) 　　　 　　　　　　　　　　　　　　　　 Ⅰ.完形填空 Last Friday, after doing all the family shopping in the town, I wanted to have a rest before catching the train. I __1__ a newspaper and some chocolate and __2__ into the station coffee shop. It was a cheap self-servi

2、ce place with long tables to __3__ at. I put my heavy bag down on the floor, __4__ the newspaper and the chocolate on the table and then went to get a cup of coffee. When I came back with the coffee, there was someone __5__ in the next seat. __6__ was a boy, with dark glasses and old clothes, and h

3、is hair was __7__ bright red at the front. He had started to eat my chocolate! Naturally, I was rather uneasy about him, but I didn't want to have any __8__. I just read the newspaper, tasted my coffee and took a bit of chocolate. The boy looked at me in __9__.Then he took a __10__ piece of my choc

4、olate. I could hardly believe it. Still I didn't say anything to him. When he took a third piece, I felt more angry than uneasy. I thought, “Well, I shall have the last piece.” And I got it. The boy gave me a strange look, and then __11__ up. As he left, he shouted out, “There's something __12__ wi

5、th that woman！” Everyone looked at me, __13__ I didn't want to quarrel with the boy, so I kept quiet. I did not realize that I had __14__ a mistake until I finished my coffee and was ready to __15__. My face turned red when I saw my unopened chocolate under the newspaper. The chocolate that I had be

6、en eating was the boy's! 　 　　　　　　　　　　　　　　　　 1．A.stole B．bought C．sold D．wrote 2．A.went B．sat C．seated D．looked 3．A.sit B．seat C．lie D．laugh 4．A.pushed B．took C．put D．pulled 5．A.jumping B．playing C．sitting D．sleeping 6．A.He B．It C．Who D．What 7．A.cut B．washed C．covered

7、 D．colored 8．A.coffee B．trouble C．chocolate D．matter 9．A.carelessness B．a(chǎn)nger C．surprise D．happiness 10．A.first B．second C．very D．last 11．A.stood B．took C．cried D．looked 12．A.normal B．wrong C．OK D．funny 13．A.and B．but C．so D．while 14．A.spelt B．corrected C．made D．found 1

8、5．A.finish B．leave C．jump D．shop Ⅱ.閱讀理解 A In today's Internet age, the demand for online games continues to grow. Online computer game centers exist in many cities and towns throughout Asia. Facing the pressures of school and life, people tend to the virtual world, expecting a diversion from t

9、hese problems. Too often, however, they can lead to problems and unhealthy addictions. This is most clearly seen in the example of South Korea. The country has the world's highest percentage of high-speed Internet services. It also has a high number of online game players and related problems. It w

10、as once reported that a young man collapsed (突然暈倒) and died while playing online games. He had been playing almost nonstop for 86 hours at an Internet cafe. Another young man killed his sister after becoming confused between the online world and real life. A 12-year-old boy stole $16，000 from his fa

11、ther and ran away from home. He did this to continue his obsession (著迷) with online games. Such problems, however, don't just happen in South Korea. They are spreading to other parts of Asia, as well. What kinds of people develop online game addiction? What does the problem look like? Dr SueHuei Ch

12、en, a clinical psychologist, researches Internet addiction. She discovered some signs of at-risk individuals such as lack of friendship and good social skills. Those problem individuals feel it so compulsive to play online games that they could sacrifice things such as school and family. They feel t

13、he need to spend more and more time online. And they become upset if anyone tries to limit their online game playing. How many problem game players are there? In mainland China, the potential number of problem online gamers is alarming. Just in 2004, China has had 13.8 million online game players a

14、ccording to China Daily. Furthermore, it stated that 80 percent of these were under 25 and had signs of addiction. Such numbers point towards a growing problem among Chinese youth. Make sure to keep control over your online game playing. If you don't control it, it can get control of you. 16．The u

15、nderlined word “diversion” in the first paragraph is closest in meaning to ________． A．solution B．comfort C．escape D．support 17．The examples in the second paragraph tell us that ________． A．the side effects are caused by high-speed Internet services B．online game playing can even cause deat

16、h C．online games have caused much damage to young people D．the teenage boy can't resist the temptation of the online games 18．According to Dr SueHuei Chen, what can we do to prevent game addiction? A．Limit the speed of the Internet services. B．Sacrifice things such as school and family. C．Spen

17、d more and more time online. D．Care much for the young and improve their ability to get along with others. 19．We can conclude from the passage that ________． A．the demand for online services continues to grow B．China is fighting a battle against online games C．the problems caused by online game

18、s don't just exist in South Korea D．in the year 2004 there were a total of 13.8 million Chinese visiting the Internet 20．What's the best title for the passage? A．Internet Problem B．Addiction to Online Game C．Problem People in the World D．Online Game Can Control People B Since the 1970s, scie

19、ntists have been searching for ways to link the brain with computers. Brain-computer interface(BCI) technology could help people with disabilities send commands to machines. Recently, two researchers, Jose Millan and Michele Tavella from the Federal Polytechnic School in Lausanne, Switzerland, demo

20、nstrated(展示)a small robotic wheelchair directed by a person's thoughts. In the laboratory, Tavella operated the wheelchair just by thinking about moving his left or right hand. He could even talk as he watched the vehicle and guided it with his thoughts. “Our brain has billions of nerve cells. The

21、se send signals through the spinal cord (脊髓)to the muscles to give us the ability to move. But spinal cord injuries or other conditions can prevent these weak electrical signals from reaching the muscles，” Tavella says. “Our system allows disabled people to communicate with external world and also

22、to control devices.” The researchers designed a special cap for the user. This head cover picks up the signals from the scalp(頭皮) and sends them to a computer. The computer interprets the signals and commands the motorized wheelchair. The wheelchair also has two cameras that identify objects in its

23、 path. They help the computer react to commands from the brain. Prof. Millan, the team leader, says scientists keep improving the computer software that interprets brain signals and turns them into simple commands. “The practical possibilities that BCI technology offers to disabled people can be gr

24、ouped in two categories: communication, and controlling devices. One example is this wheelchair.” He says his team has set two goals. One is testing with real patients, so as to prove that this is a technology they can benefit from. And the other is to guarantee that they can use the technology ove

25、r long periods of time. 21．BCI is a technology that can ________． A．help to update computer systems B．link the human brain with computers C．help the disabled to recover D．control a person's thoughts 22．How did Tavella operate the wheelchair in the laboratory? A．By controlling his muscles. B．

26、By talking to the machine. C．By moving his hand. D．By using his mind. 23．Which of the following shows the path of the signals described in Paragraph 5? A．scalp→computer→cap→wheelchair B．computer→cap→scalp→wheelchair C．scalp→cap→computer→wheelchair D．cap→computer→scalp→wheelchair 24．The team

27、will test with real patients to ________． A．make profits from them B．prove the technology useful to them C．make them live longer D．learn about their physical condition 25．Which of the following would be the best title for the text? A．Switzerland, the BCI Research Center B．New Findings about H

28、ow the Human Brain Works C．BCI Could Mean More Freedom for the Disabled D．Robotic Vehicles Could Help to Cure Brain Injuries 參考答案 課時(shí)作業(yè)(八) Ⅰ.本文是“我”外出購(gòu)物時(shí)的一次尷尬的經(jīng)歷。 1．B　為了消磨時(shí)間，“我”買了報(bào)紙和巧克力，故選bought。 2．A　由文章推斷出，“我”走進(jìn)了一家咖啡店，故應(yīng)選went。 3．A　to sit at作tables的后置定語(yǔ)，意為“可以在旁邊就座的桌子”。 4．C　按常理“我”應(yīng)把報(bào)紙等放在桌子上，而不

29、是“推到”或“拉到”桌子上，故應(yīng)選 put。 5．C　由下文可知，回來(lái)時(shí)“我”發(fā)現(xiàn)他開始吃“我”的東西，說(shuō)明他坐在旁邊的座位上，故選 sitting。 6．B　用it指代前文中未知的人。 7．D　頭發(fā)應(yīng)是被染成艷紅色的，故應(yīng)選colored。 8．B　面對(duì)這樣一個(gè)人，“我”不想惹麻煩，trouble合乎文意，為正確選項(xiàng)。 9．C　由下文可知，“我”吃的是這個(gè)男孩正吃的巧克力，這引起了對(duì)方的某一反應(yīng)。比較四個(gè)選項(xiàng)，再根據(jù)上下文，用名詞surprise比較合乎當(dāng)時(shí)的情形。 10．B　“a ＋序數(shù)詞＋名詞”常用來(lái)表示“再一個(gè)，又一個(gè)”，與下文took a third piece相呼應(yīng)。

30、 11．A　根據(jù)文意可知那個(gè)男孩起身要走，故選擇stood。 12．B　男孩生氣了，必定說(shuō)了發(fā)泄的話，比較四個(gè)選項(xiàng)，wrong為最佳選擇。 13．B　男孩罵了“我”，導(dǎo)致大家都朝“我”看，而“我”不想與他爭(zhēng)吵，可見“我”的反應(yīng)與上文描述的氣氛恰恰相反，故選擇but構(gòu)成轉(zhuǎn)折關(guān)系。 14．C　固定搭配make a mistake意為“犯了個(gè)錯(cuò)誤”。 15．B　“我” 在喝完咖啡準(zhǔn)備離開時(shí)發(fā)現(xiàn)了自己的過(guò)錯(cuò)，故應(yīng)選leave。 Ⅱ.A 本文講述了沉迷網(wǎng)絡(luò)游戲所引起的問(wèn)題。 16．C　詞義猜測(cè)題。diversion意為“轉(zhuǎn)移”，在文中意指人們通過(guò)虛擬世界來(lái)逃避現(xiàn)實(shí)，故選C。 17．C　推

31、理判斷題。第二段通過(guò)三個(gè)年輕人的例子說(shuō)明了網(wǎng)絡(luò)游戲?qū)δ贻p人的負(fù)面影響，故選C。 18．D　推理判斷題。根據(jù)SueHuei Chen的研究，沉迷網(wǎng)絡(luò)游戲的人缺少友誼和人際交往，故可推斷增強(qiáng)個(gè)人的交往能力可以防止玩游戲上癮。 19．C　細(xì)節(jié)理解題。根據(jù)第二段最后一句可知答案。 20．B　主旨大意題。全文講述的是網(wǎng)游上癮的問(wèn)題，故B項(xiàng)最符合文意。 B 這是一篇科普類文章。作者向我們報(bào)道了關(guān)于人腦信息和電腦信息研究的最新突破，該技術(shù)目前正準(zhǔn)備在病人身上應(yīng)用。 21．B　細(xì)節(jié)理解題。由第一段可以看出，BCI技術(shù)是科學(xué)家一直研究的to link the brain with computers

32、技術(shù)，由此可知B項(xiàng)正確。C項(xiàng)有極大的干擾性。 22．D　細(xì)節(jié)理解題。由第三段的In the laboratory, Tavella operated the wheelchair just by thinking about moving his left or right hand.可知是說(shuō)通過(guò)他的思維。故選D。 23．C　事實(shí)排序題。由該段可知，信號(hào)從the scalp(頭皮)發(fā)出后被a special cap接收，接著傳到了a computer，然后到輪椅，由此可知C項(xiàng)正確。 24．B　細(xì)節(jié)理解題。最后一段One is testing with real patients, so as to prove that this is a technology they can benefit from.中的they指的是patients，證明他們能從中獲益，也就是對(duì)于他們是有用的(useful)，因此可知答案。 25．C　主旨大意題。 文章向我們介紹了瑞士BCI研究中心的一個(gè)新技術(shù)的工作原理，以及給殘疾人帶來(lái)的實(shí)惠。