BR>41. Backpacks are convenient because
A they can be very large.
B they can hold as many things as you want to carry.
C your hands are freed to do other things.
D you do not have to carry things with you.
42. What is the most important feature of the backpack invented by Lawrence C. Rome and his colleagues?
A It produces electricity for electronic devisees while the wearer walks.
B It can be used as cell phones, GPS in the military actions or field studies.
C It is small and convenient.
D It is light and easy to carry.
43. The word "springs" in Paragraph 3 means
A a small stream of water flowing naturally from the earth.
B the season of the year, occurring between winter and summer.
C the act or an instance of jumping or leaping.
D a length of metal wound around, which returns to its original shape after being pushed.
44. According to Paragraph 4, what does Rome plan to do?
A To make the backpack more comfortable for the wearer.
B To put the backpack on the market.
C To test the advantage of the backpack.
D To promote the backpack in a newspaper or on television.
45. What is implied in "if you do gut one eventually, just make sure to look both ways before crossing the street!"?
A You will Be too excited to watch the traffic.
B Enjoying electronic devices while walking may invite traffic accidents.
C It is not possible for you to get such a backpaek.
D It is wise of you to have such a backpack.
第5部分:补全短文(第46~50题,每题2分,共10分)
阅读下面的短文,文章中有5处空白,文章后面有6组文字,请根据文章的内容选择5组文字,将其分别放回文章原有位置,以恢复文章原貌。请将答案涂在答题卡相应的位置上。
Why Study Mathematics
There’s something else you shouldn’t forget. There are lots of times when more math would help you in your everyday affairs.
No long ago a man in Milwaukee was arrested for speeding. The policeman, who had been stationing at a street corner, didn’t check the speed on the man’s motorcycle, but just guessed at it. 46 .
The man said that he had stopped his car at the traffic light on the corner where the policeman was stationed. 47 . The driver then proved mathematically that no car could have picked up speed fast enough to be exceeding the limit at the spot where he was arrested. The judge let him off. 48 . You may be the kind of person who needs to know something about advanced math to get the most out of life. Some people go on from day to day, having a good time and not caring much about anything else. 49 .
They’re interested in life, and other people, and what makes things happen the way they do. 50 .
If you’re that kind of person, you almost have to learn something about the more advanced branch of math. There will be no other way to understand the things you become curious about.
A The policeman admitted this
B But many people aren’t content to live that way
C They are curious about things
D But there’s one more reason why you should study math now
E The man admitted this
F The man and the policeman went before a judge in the police court
第6部分:完形填空(第51~65题,每题1分,共15分)
阅读下面的短文,文中有15处空白,每处空白给出4个选项,请根据短文的内容从4个选项中选择1个最佳答案,涂在答题卡相应的位置上。
Avalanche and Its Safety
An avalanche is a sudden and rapid flow of snow, oftn mixed with air and water, down a mountainside. Avalanches are 51 the biggest dangers in the mountains for both life and property.
All avalanches are caused by an over-burden of material, typically snowpack, that is to
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