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人教版必修2 Unit 3 Computers同步练习

Unit 3

Computers

Ⅰ. 完形填空

阅读下面短文，掌握其大意，然后从1～15各题所给的A、B、C、D四个选项中，选出最佳选项。

If it’s possible to see red (get angry)about not seeing red，that is what I was doing.We had __1__the time of our autumn trip to see the changing __2__in the Great Lakes States，and I was really __3__.No matter how I strained my eyes I couldn’t spot red anywhere.Not even a bit of golden yellow broke through the dull greenery. This vacation was a complete __4__.I sat alone in the backseat of our rented car and got __5__as we drove north through the dull，dark green.In the front seat my brother and my father chatted merrily，obviously __6__. Then a motto came to mind：“Happiness is a decision.”It must have been something my mother said.She was always passing on words of __7__.When I was a child，she gave me a black book with __8__pages.On the flyleaf she had written，“Look for a beautiful thing and you’ll find it.”I was supposed to keep a record of the most beautiful thing I saw each day. I remembered spending hours discussing what I’d __9__.A baby’s smile？A stone shining with fool’s gold？Pictures in the clouds，or tulips tipping their heads？I found so many beautiful things that it was __10__to pick just one. Now，on the road，I played Mother’s game again.I took in the all-green __11__.Thick forests lined both sides of the highway.The long hill pines and spruce were seen everywhere.Maple leaves danced in the gentle wind.I felt like a little girl again—__12__by beautiful things. Later in the trip，after we crossed the Upper Peninsula and drove into Canada，I found the bright __13__plants I had been looking for.But by then I’d already seen a million shades of __14__，the infinite variety and beauty that only our heavenly Father can __15__.And that we can always find—if we look closely enough.

【解题导语】

本文是一篇抒情散文，作者要看红色的景色，却到处是绿色的海洋。妈妈的劝告改变了她原有的想法，结果发现人世间一切都是美好的。

1．A.kept

B．missed

C．misjudged

D．seized 解析：从本段首句和最后两句可知我错误地估计了看秋天红叶的时间。

答案：C 2．A.situation

B．weather

C．plants

D．leaves 解析：全文都是围绕着看红叶这一中心而展开的议论。

答案：D 3．A.upset

B．excited

C．happy

D．sorry 解析：由于没看到红叶，心里很不舒服。

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人教版必修2 Unit 3 Computers同步练习

答案：A 4．A.success

B．time

C．waste

D．pleasure 解析：由于没看到红叶，感觉这次假期全被浪费了。

答案：C 5．A.sleepy

B．mad

C．patient

D．angry 解析：“我”独自坐在租来的汽车后座上，由于眼前一片绿色，心里十分气愤。

答案：D 6．A.unconcerned

B．disappointed

C．worried

D．surprised 解析：父子两人很高兴地聊天，明显不顾及“我”的感受。

答案：A 7．A.order

B．advice

C．apology

D．help 解析：从下文母亲在本子扉页上写的话可知，她总是给我些建议。

答案：B 8．A.nice

B．common

C．missing

D．empty 解析：从下文母亲要“我”每天记下看到的最美事物可知，这是一本空白本子。

答案：D 9．A.brought in

B．written down

C．got through

D．referred to 解析：从下文陈述的看到的东西可知，“我”花时间讨论自己记下的东西。

答案：B 10．A.impossible

B．valuable

C．necessary

D．strange 解析：由于美的东西太多了，“我”感到只选出一件事是不可能的。

答案：A 11．A.forests

B．leaves

C．hills

D．scenery 解析：下文列举的forests，hill pines，spruce and maple leaves等都是景色。

答案：D 12．A.wondered

B．surrounded

C．waken

D．treated 解析：被美丽的事物所包围。

答案：B 13．A.leaf

B．hill

C．highway

D．fall 解析：文章一开始就告诉我们，“我”旅游的目的就是看秋天的红叶，所以，这里指“我”最终找到了一直寻找的秋天的植物。

答案：D 14．A.red

B．trees

C．green

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人教版必修2 Unit 3 Computers同步练习

解析：这里指“我”已经看过一片绿色的海洋。

答案：C 15．A.observe

B．produce

C．find

D．provide 解析：这里指那是只有我们祖先才能创造出的无穷无尽的美。

答案：B

Ⅱ. 词汇运用

1．The teacher ________(计算) the average mark of the class. 2．As a ________(革命者)，he organized many ________(革命的) activities. 3．IQ stands for ________(智力) quality. 4．She ________(具有有利条件) of a good education. 5．Generally speaking，there are four ________(类型) of blood. 6．Red is ________(我们的首选) when I do some shopping. 7．After two days’ talk，they came to an ________(达成一致) at last. 8．I think we can work together ________(创造一个更好的系统)．

9．________(就我个人而言) I don’t know him，but I’ve read his books. 10．A trip to the museum is ________(计划) for next Tuesday. 11．She programs possible moves that I can use if ________(一个新的情形出现)．

12．The road ________(蜿蜒曲折) through the hill. 答案：1.calculated

2.revolutionary；revolutionary

3.intelligence

4.had the advantage

5.types

6.my first choice

7.agreement

8.to create an even better system

9.Personally

10.programmed

11．a new situation arises

12.wanders along Ⅲ.阅读理解

“Get your hands off me，I have been stolen，” the laptop，a portable computer，shouted. That is a new solution to laptop computer theft: a program that lets owners give their property a voice when it has been taken. The program allows users to display alerts on the missing computer’s screen and even to set a spoken message. Tracking software for stolen laptops has been on the market for some time，but this is thought to be the first that allows owners to give the thief a piece of their mind. Owners must report their laptop missing by visiting a website，which sends a message to the model: a red and yellow “lost or stolen” sign appears on its screen when it is started. Under the latest version(版本) of the software，users can also send a spoken message. The message can be set to reappear every 30 seconds，no matter how many times the thief closes it. “One customer sent a message saying，‘You are being tracked. I am right at your door’，” said Carrie Hafeman，chief executive of the company which produces the program，Retriever. 第

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人教版必修2 Unit 3 Computers同步练习

In the latest version，people can add a spoken message. For example，the laptop’s speakers will say，“Help，this laptop is reported lost or stolen. If you are not my owner，report

me now.”

The Retriever software package，which costs $29.95 but has a free trial period，has the functions of many security software programs. Owners can remotely switch to an alternative password prompt if they fear that the thief has also got hold of the access details. If a thief accesses the Internet with the stolen laptop，Retriever will collect information on the Internet service provider in use，so that the police can be alerted to its location. Thousands of laptops are stolen every year from homes and offices，but with the use of laptops increasing，the number stolen while their owners are out and about has been rising sharply. Other security software allows users to erase data remotely or lock down the computer. 【文章大意】

随着社会的发展，使用电脑的人越来越多，而电脑被盗也变得猖狂。本文介绍了一种新版本的电脑软件，电脑拥有者能够在程序中输入声音，一旦电脑被盗，只要打开它就会有规律的提醒盗贼，电脑不是他的，或者帮助主人发泄愤怒，这种程序减少了电脑被盗。

1．The expression “to give the thief a piece of their mind”

can be understood as “________”．

A．to give the thief an alert mind B．to express the owners’ anger to the thief C．to remind the thief of his conscience D．to make the thief give up his mind 解析：细节推理题。根据文章第一段的Get your hands off me，I have been stolen和下文第四段You are being tracked. I am right at you door.可推测出被盗者是很生气的，他要表达自己的愤怒。所以答案选B。

答案：B 2．Different from other security software，Retriever can ________. A．record the stealing process

B．help recognize the lost laptop

C．lock down the computer remotely

D．send a spoken message 解析：细节理解题。根据文章第五段第一句话In the latest version，people can add a spoken message.可知D项正确。A项没有提及；B项的recognize表述错误；C项不是这种新的安全程序所特有的，故答案为D。

答案：D 3．One function of the program is that it allows the owner to ________ at a distance. A．change some access details for switching on the laptop B．turn on the laptop by using the original password C．operate the laptop by means of an alternative password D．erase the information kept in the stolen laptop 第

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解析：细节理解题。根据文章第六段的最后一句话Owners can remotely switch to an alternative password if they fear that the thief has also got hold of the access details.可知答案A正确。

答案：A 4．Which of the following can best summarize the main idea of the passage? A．With no Retriever，thousands of laptops are stolen every year. B．A new software provides a means to reduce laptop theft. C．Retriever has helped to find thieves and lost computers. D．A new program offers a communication platform with the thief. 解析：主旨大意题。这篇文章主要介绍了一种新的电脑软件，可以提供多种安全程序，使得电脑偷盗者无处藏身，从而减少电脑被盗。A项太绝对了；C项只是文章的一个小的方面，并不是主题；D项表述错误，不符合文章的意思。

答案：B 5．What does the word “it” in Para. 4 refer to? A．The alert message.

B．The computer. C．The program.

D．The laptop. 解析：推理判断题。由The message can be set to reappear every 30 seconds可推知，无论小偷怎么关闭那条警示信息，它都会每30分钟出现一次。

答案：A

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