Can you remember the first time you learned to ride a bike or drive a car?Learning these skills changed your life forever and opened up new horizons.Learning about computers can be like learning how t 题目和参考答案——青夏教育精英家教网—

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Can you remember the first time you learned to ride a bike or drive a car？Learning these skills changed your life forever and opened up new horizons（视野）.Learning about computers can be like learning how to ride a bike or drive a car.Once you have invested the time to master the skills，you will never go back to the old days.The new technology is simply too convenient and too powerful.
Technological developments through the years have enabled us to do more with less effort.We have continuously looked for better ways of doing things.Each invention and new development has allowed us to extend our capabilities.Today we see one of the most dramatic technologies ever developed—the computer.It extends the capabilities of our minds.
Computers have saved organizations millions of dollars. Furthermore，these same computer systems have opened up new opportunities that would have gone undiscovered or neglected.The computer may multiply what we can do，and the return on investment is high.The growth of computer usage is surprising. On the other hand，the computer can do serious damage.Invasion of privacy（侵犯隐私），fraud（欺诈），and computer-related mistakes are just a few shocking examples.?The computer is like a double-edged sword.It has the ability to cut us free from some activities，but it can also cut deep into profits，personal privacy，and our society in general.How it is used is not a function of technology.It is strictly a function of how people decide to use or misuse this new technology.The choice is yours，and only through a knowledge of computer systems will you be able to avoid the dangers while enjoying the many，many benefits of the computer age.
小题1:The writer thinks learning about computers is like learning how to ride a bike or drive a car because ______.

A．it is simple and practical	B．it needs a lot of practice
C．it leads people to new life experiences	D．it takes much time to master the skills

小题2:According to the passage，computers bring people the following benefits except ______.

A．avoiding mistakes	B．saving money
C．making money	D．opening up opportunities

小题3:According to the writer，the bad effects of computers can be avoided if we ______.

A．have some knowledge of computer systems

B．tell people not to misuse computers

C．have strict rules over the use of computers

D．make more investments in the technology

小题4:This passage is probably written for ______.

A．computers	B．computer producers
C．computer learners	D．computer programmers

小题1:C
小题2:A
小题3:A
小题4:C

小题1:第一段中的“... open up new horizons”指出了学电脑与学车共同的优点。A、B两项文中未提及。D项中的much time也未出现在相关描述中。
小题2:B选项出现在第三段第一句，C选项出现在第二句，而第三句中的“the return on investment is high ”无疑为D选项提供了依据。
小题3:文章最后一句中的“...only through a knowledge of computer system will you be able to avoid the dangers”正是A选项所在之处。
小题4:文章以浅易的文字描述了电脑学习的优缺点及注意事项，其阅读对象显而易见。

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47．A．grasped    B．held C．caught      D．seized
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49．A．strange     B．blind C．deaf D．unimaginable
50．A．once B．after C．as      D．since
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27.A.wet                      B.dry                           C.thick                         D.heavy
28.A.snow                    B.water                        C.rain                          D.wind
29.A.set                       B.caught                       C.on                                   D.in
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A Not an Enemy, but a Best Friend
B The Best Advice I’ve Ever Had
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D Week by week she discovered more shortcomings of mine and point them out.
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B Because he had been so angry with his daughter’s shortcomings that he wanted to show this by keeping silent for a while.
C Because he knew that his daughter would not listen to him at that moment.
D Because he wasn’t quite sure which girl was telling the truth.
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B He criticized her and told her to overcome her shortcomings.
C He told her to write down all that her “enemy” had said about her and pay attention only to the things that were true.
D He refused to take the list and have a look at it.

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科目：高中英语 来源：不详 题型：完形填空

阅读下面短文，掌握其大意，然后从各题所给的A、B、C和D项中，选出最佳选项。
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6. A.dinner	B. idea	C. food	D. subject
7. A.pick	B. look	C. make	D. take
8. A.less	B. more	C. some	D. any
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