我国城乡以劳动者的劳动联合和资本联合为主的股份合作制经济的性

【名词&注释】

去甲肾上腺素(norepinephrine)、国际贸易、发达国家、集体经济(collective economy)、私营经济(private economy)、股份合作制(stock cooperation system)、剩余价值(surplus value)、“剪刀差”、个体经济(individual economy)、经济形式(economic form)

[单选题]我国城乡以劳动者的劳动联合和资本联合为主的股份合作制经济的性质是（ ）

A. 民营经济
B. 私营经济
C. 集体经济
D. 个体经济^{(individual economy)}

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学习资料：

[单选题]国际贸易中所形成的“剪刀差”（ ）

A. 使剩余价值^{(surplus value)}大量流向发展中国家
B. 使剩余价值^{(surplus value)}大量流向发达资本主义国家
C. 对发展中国家有利
D. 对发达国家和发展中国家都不利

[单选题]Text 3Thirty- two people watched Kitty' Genovese being killed right beneath their windows. She was their neighbor. Yet none of them helped her. Not one even called the police. Was this gunman cruelty? Was it lack of feeling about one' s fellow man?

A. "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.
B. 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.
C. 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.
D. 31. The purpose of this passage is______.
E. to explain why people fail to act in emergencies
F. to explain when people will act in emergencies
G. to explain what people will do in emergencies
H. to explain how people feel in emergencies

[单选题]

A. filesB． documents
B. programs
C. softwares

[多选题]酪氨酸在体内可转变生成

A. 多巴
B. 去甲肾上腺素
C. 吲哚醌
D. 乙酰乙酸

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