2014届北京市朝阳区高三年级第一学期期中统一考试(附答案)

所属专题:高三期中考试试题  来源:沪江高考资源网    要点:英语期中考试  
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D

Black Box

You never see them, but they're with you every time you fly. They record where you're going,how fast you're traveling and whether everything on your airplane is functioning normally. Their ability to resist almost any disaster makes them seem like something out of a comic (漫画) book.They're known as the black box.

When planes fall from the sky, as a Yemeni airliner did on its way to the Comoros Islands in the Indian Ocean on June 30, 2009, the black box is the best method for identifying what went wrong. So when a French submarine(潜水艇) discovered its homing signal five days later, it marked a huge step toward determining the cause of the disaster in which 152 passengers were killed.

In 1958. Australian scientist David Warren developed a flight-memory recorder that would track basic information like altitude and direction. That was the first model for a black box, which became a requirement on all US commercial flights by 1960. Early models often failed to resist crashes, however, so in 1965 it was completely redesigned. That same year, the Federal Aviation Authority required that the boxes, which were never actually black, be painted orange or yellow to be easier to see.

Modem airplanes have two black boxes: a voice recorder, which tracks pilots' conversations, and a flight-data recorder, which monitors fuel levels, engine noises and other operating functions that help experts reconstruct the aircraft's final moments. The boxes can resist powerful force and temperatures up t0 2,OOOoF. They're also able to send out signals from depths of 20,000 ft. Experts believe the boxes from Air France Flight 447 , which crashed near Brazil on June 1 , 2009 , are in water nearly that deep, but statistics say they're still likely to turn up. In the approximately 20 deep-sea crashes over the past 30 years, only one plane's black boxes were never recovered.

67. What can we leam about the black box from the passage?

A. It helps an airplane function normally.

B. Its ability to avoid disasters is amazing.

C. It is necessary equipment on an airplane.

D. The idea for its design comes from a comic book.

68. From the black box on the Yemeni airliner we can get information about _____.

A. the scene of the crash and the damage

B. data for analyzing the cause of the crash

C. the total number of passengers on board

D. homing signals sent by the pilot before the crash

69. The Federal Aviation Authority required the black boxes be painted orange or yellow to

A. make them easily identified

B. meet the international standards

C. caution people to handle them with care

D. distinguish them from the color of the plane

70. What do we know about the black boxes from Air France Flight 447?

A. They have stopped sending homing signals.

B. They were destroyed somewhere near Brazil.

C. There is an urgent need for them to be restructured.

D. There is still a good chance of their being recovered.
 

第二节(共5小题;每小题2分,共10分)

根据短文内容,从短文后的七个选项中选出能填入空白处的最佳选项。选项中有两项

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Family Values

To understand a nation, you should first get to know its minimum unit-family. 71 In the US, upon reaching an appropriate age (usually between 18 and 21 years) , children are encouraged, but not forced, to "leave the nest" and begin an independent life. 72 Parents do not arrange marriages for their children, nor do children usually ask permission of their parents to get married. Youn g adults meet their future spouses (配偶) through other friends, at jobs, and in organizations and religious institutions. Although children choose their own spouses,they still hope their parents will approve of their choices.

Parents feel that children should make major life decisions by themselves in many families. A parent may try to influence a child to follow a particular profession but the child is free to choose another job. 73 A son may deliberately decide not to go into his father's business because of a fear that he will lose his independence in his father's workplace. This independence from parents is not an indication that parents and children do not love each other. Strong love between parents and children is universal and this is no exception in the American family.

74 It is not like we Chinese. Parents are rulers and masters. We Chinese love our parents with fear and total respect. In America, children always have their own opinions and even can talk about some sensitive problems with their parents, like family financial situation, the relationship between mother and father, and even sex.

75 Therefore, it is contrary that, on one hand, Americans admire independence and equality that they don't want to make sacrifice to make up a family, but on the other hand, Americans think highly of family in their value system.

A. In the American family, children and parents are equal.

B. It can reflect the traditional values and customs of a nation.

C. When it comes to big problems, children do not have to always follow their parents' ways.

D. After children leave home, they often find social relationship and financial support outside the family.

E. Although Americans pay much attention to independence and equality, they don't believe in making sacrifice.

F. Sometimes children do precisely the opposite of what their parents wish in order to declare their independence.

G. Many of them are expected to leave what could be life's most important decision-marriage-almost entirely up to luck.

 

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