题目内容

What do we learn from the conversation

A. John hasn’t heard about the news.
B. John was at the picnic yesterday.
C. John wasn’t at the picnic, but he has known the news.
D. John was at the picnic, but he didn’t hear about the news.

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What is the man going to give the children

A. Nothing.
B. Dinner.
C. Some snack.
D. Oranges.

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Where do pesticides fit into the picture of environmental disease We have seen that they now pollute soil, water, and food, that they have the power to make our streams fishless and our gardens and woodlands silent and birdless. Man, however much he may like to (26) the Contrary, is part of nature. Can he (27) a pollution that is now so thoroughly (28) throughout our world We know that even single exposures to these (29) , if the amount is large enough, can cause extremely severe (30) . But this is not the major problem. The sudden illness of death of farmers, farm workers, and others (31) to sufficient quantities of pesticides are very sad and should not (32) . For the population as a (33) , we must be (34) concerned with the (35) effects of absorbing small amounts of the pesticides that (36) pollute our world. (37) public health officials have pointed out that the biological effects of chemicals are (38) over long periods of time, and that the danger to the (39) may depend on the sum of the exposures (40) throughout his lifetime. For these very reasons the danger is easily (41) It is human (42) to shake off what may seem to us a threat of future disaster. "Men are naturally most impressed by diseases which have obvious signs," says a wise (43) , Dr. Rene Dubos, "yet some of their worst enemies slowly (44) them (45) .\

A. appeal
B. approach
C. approve
D. applaud

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Questions 18-21 are based on the following dialogue. What can we learn about the man from the conversation

A. He is a poor man.
B. He can’t afford a trip abroad.
C. He often goes to the cinema with the woman.
D. He wants to buy a car.

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Questions 22-25 are based on the following dialogue between a librarian and a student. What does the woman discover when she looks at the records on the computer

A. The man changed his major from art to business.
B. The man isn’t living on campus.
C. The man is a new student.
D. There are two students named Robert Smith at the school.

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What do we learn from the conversation

A. John hasn’t heard about the news. B. John was at the picnic yesterday. C. John wasn’t at the picnic, but he has known the news. D. John was at the picnic, but he didn’t hear about the news.

What is the man going to give the children

Questions 18-21 are based on the following dialogue. What can we learn about the man from the conversation

Questions 22-25 are based on the following dialogue between a librarian and a student. What does the woman discover when she looks at the records on the computer

A. John hasn’t heard about the news.
B. John was at the picnic yesterday.
C. John wasn’t at the picnic, but he has known the news.
D. John was at the picnic, but he didn’t hear about the news.