题目内容
（请给出正确答案）
A、break off
B、shut off
C、turn down
D、get down
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
更多“If there’s a leak, the first thing to do is to ______ the gas supply.”相关的问题
A.withdraw
B.omit
C.reduce
D.leak
A.exhaust
B.outlet
C.exit
D.leak
听力原文： Thirty-two people watched Kitty Genovese being killed fight beneath their windows. She was their neighbor. Yet none of the 32 helped her. No one even called the police. Was it lack of feeling about one's fellow man？
"Not so," say scientists John Barley and Bib Fatane. These men went beyond the headlines to look for the reasons why people didn't act. They found that a person has to go through two steps before he can help.
First he has to notice that it is an emergency. Suppose you see some smoke. Is the smoke coming into the room from a leak in the air conditioning？ Is it "steam pipes"？ Or is it really smoke, from a fire？ It's not always easy to tell if you are faced with a real emergency.
Second, and more important, the person faced with an emergency must feel personally responsible. He must feel that he must help, or the person won't get the help.
Tests show that in a group, Americans often fail to act. They feel that others will act. They, themselves, needn't. They do not feel any direct responsibility.
Are people bothered by situations where people are in trouble？ Yes, scientists found that the people were emotional, they sweated, they had trembling hands. They felt the other person's trouble. But they did not act. They were in a group. Their actions were shaped by the actions of those they were with.
(30)
A．To explain why people fail to act in emergencies.
B．To explain when people will act in emergencies.
C．To explain what people will do in emergencies.
D．To explain how people feel in emergencies.
A、Warnings of side effects rarely appear in the surgery advertisements
B、Few normal rules are applied in the cosmetic industry
C、Cosmetic surgeons make full and proper records of each surgery
D、The silicon implants can leak and interfere with the body’s immune system
The Prudhoe Bay oilfield has been shut down because ______.
A．there was a serious leakage problem with the pipeline
B．the pipeline suffered a small leak and severe corrosion
C．better pipeline was needed to meet the increasing production
D．the newly-replaced pipeline didn't work properly
According to Guido Westerwelle, the liberal FDP lost the vote because______.
A．Merkel refused to pass the nuclear policy
B．Merkel put too much money on nuclear energy
C．the party didn"t assist Japan after its nuclear leak
D．the party underestimated the impact of nuclear disaster
听力原文：M: Yes, I'd like to report a theft.
W: Okay. Can you tell me exactly what happened？
M: Well, I was walking home from wonk two days ago, when this woman knocked me right off my feet, grabbed my stuff, and ran off through the trees. I was so surprised that I didn't go after her.
W: Yeah. Can you describe the woman for me？
M: Yeah. He was about a hundred and ninety centimeters tall...
W: Wait. You said a woman robbed you.
M: Well, I'm not really sure. The person was wearing a white and black dot dress, a light red sweater over it, and she... or he... was wearing a pair of basketball shoes.
W: What else can you tell me？
M: The person was of heavy build, with long wavy hair. She... or he... was probably in his or her late 30's. I didn't get a good leak at the person's face, but well...
W: What？ Was there something else？
M: Well, the person... had a heard.
W: Ah! What was taken exactly？
M: Just my left shoe. Strange, isn't it？
W: Ah. The "bearded woman" has struck again!
M: The "bearded woman"？
W: Yeah. It's this man who dresses up like a woman and, for some unknown reason, removes the left shoe from his victims. He won't hurt others and usually returns the shoe to the crime scene a couple of days later.
M: Hey, he can keep my shoe, and I'll just take off my left shoe every time I walk through the park.
(27)
A．He was wandering on the street.
B．He was working in the park.
C．He was walking home from work.
D．He was driving home from work.
A．Solar power may be less expensive and more reliable than power supplied by utility companies.
B．Her roof won't leak with the heavy solar panels on top of the roof.
C．Putting in a solar roof is still an expensive preposition.
D．Super-efficient appliances use less electricity than regular appliances.
A．Solar power may be less expensive and more reliable than power supplied by utility companies.
B．Her roof won' t leak with the heavy solar panels on top of the roof.
C．Putting in a solar roof is still an expensive proposition.
D．Super-efficient appliances use less electricity than regular appliances.
"Not so," say scientists John Barley and Bib Fatane. These men went beyond the headlines to probe the masons why people didn't act. They found that a person has to go through two steps before he can help. First he has to notice that is an emergency. Suppose you see a middle-aged man fall to the side-walk. Is he having a heart attack？ Is he in a coma(昏迷) from diabetes(糖尿病)？ Or is he about to sleep off a drunk？ Is the smoke coming into the room from a leak in the air conditioning？ Is it "steam pipes"？ Or is it really smoke from a fire？ It's not always easy to tell if you are faced with a real emergency.
Second, and more important, the person faced with an emergency must feel personally responsible. He must feel that he must help, or the person won't get the help he needs. The researchers found that a lot depends on how many people are around. They had college students in to be "tested". Some came alone. Some came with one or two others. And some came in large groups. The receptionist started them off on the "tests". Then she went into the next room. A curtain divided the "testing room" and the room into which she went. Soon the students heard a scream, the noise of file cabinets falling and a cry for help. All of these had been pre-recorded on a tape-recorder. Eight out of ten of the students taking the test alone acted to help. Of the students in pairs, only two out of ten helped. Of the students in groups, none helped.
In other words, in a group, Americans often fail to act. They feel that others will act. They, themselves, needn't. They do not feel any direct responsibility. Are people bothered by situations where people are in trouble？ Yes. Scientists found that the people were emotional, they sweated, they had trembling hands. They felt the other person's trouble. But they did not act. They were in a group. Their actions, were shaped by the actions of those they were with.
The purpose of this passage is______.
A．to explain why people fail to act in emergencies
B．to explain when people will act in emergencies
C．to explain what people will do in emergencies
D．to explain how people feel in emergencies
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