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阅读理解

阅读下列短文,从每题所给的四个选项中选出最佳选项。

  Every human being, no matter what he is doing, gives off body heart. The usual problem is how to get rid of it. But the designers of the Johnstown campus of the University of Pittsburgh set themselves the opposite problem--how to collect body heat. They have designed a collection system which uses not only body heat, but the heat given off by such objects as light bulbs and refrigerators as well. The system works so well that no fuel is needed to make the campus's six building comfortable.

  Some parts of most modern buildings--theaters and offices as well as classrooms--are more than sufficiently (足够) heated by people and lights and sometimes must be air-conditioned even in winter. The technique of saving heat and redistributing it is called“heat recovery”. A few modern buildings recover heat, but the University's system is the first to recover heat from buildings and reuse it in others.

  Along the way, Pitt has learned a great deal about some of its producers. The harder a student studies the more heat his body gives off. Male students send out more heat than female students, and the larger a student, the more heat he produces. It is tempting to conclude that the hottest prospect for the Johnstown campus would be a hard-working overweight male genius.

1.Which of the following is true of the heating system of the Johnstown campus? The heat is supplied by _____.

[  ]

A.human bodies, other heat sending objects, and fuel

B.both human Bodies and other heat sending objects

C.both human bodies and fuel

D.human bodies

2.The technique of heat recovery is used _____.

[  ]

A.to produce a special form of air-conditioning

B.to provide heat for the hot water system

C.to find out the source of heat

D.to collect and reuse heat

3.Which of the following persons would produce the least amount of heat?

[  ]

A.A thin male who studies hard.

B.A fat female who studies hard.

C.A fat male who does not study hard.

D.A thin female who does not study hard.

4.The words“the hottest prospect”(last paragraph) refer to _____.

[  ]

A.the person who suffers most from heat

B.the person who produces most heat

C.the person who uses most heat

D.the person who takes in heat

答案:B;D;D;B
解析:

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第三部分  阅读理解(共15小题;每小题2分,满分30分)

请认真阅读下列短文,从短文后各题所给的A、B、C、D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。

                                   A

Scars of Love

Some years ago on a hot summer day in south Florida a little boy decided to go for a swim in the old swimming hole behind his house. In a hurry to dive into the cool water, he ran out of the back door, leaving behind shoes, socks and shirt as he went.

He flew into the water, not realizing that as he swam toward the middle of the lake, an alligator(短吻鳄) was getting close. The mother in the house was looking out of the window and saw the two as they got closer and closer together. In great fear, she ran toward the water, yelling to her son as loudly as she could. Hearing her voice, the little boy became alarmed and made a U-turn to swim to his mother. It was too late. Just as he reached her, the alligator reached him. From the dock, the mother grabbed her little boy by the arms just as the alligator snatched (抓住) his legs. That began an unbelievable tug-of-war (拔河比赛) between the two. The alligator was much stronger than the mother, but the mother was much too passionate to let go. A farmer happened to drive by, heard their screams, rushed from his truck, took aim and shot the alligator.

Remarkably, after weeks and weeks in the hospital, the little boy survived. His legs were extremely scarred (留下伤疤) by the terrible attack of the animal. And on his arms, were deep scratches where his mother’s fingernails dug into his flesh in her effort to hang on to the son she loved.

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