题目内容

Those in the language (English) group are different from those studying maths in that______.

A. those in language group are very interested in their studies and don't find it difficult
B. those in language group find it too difficult to continue
C. only the language group attend evening classes
D. the maths group improve their ability steadily

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According to their conversation, which of the following statement is correct?

A. Those people who reach the age of 65 or 70 are not the strong among us.
B. Physical illness usually develop among the 60's and 79's.
C. People who are healthy in middle age tend to be healthy in old age.
D. The weak die in childhood.

What had Slater proved by 1792?

A. That his imported management techniques worked.
B. That the philosophy of Almy and Brown was wrong.
C. That he could build his own successful mill.
D. That he could sell all the yarn he could produce.

听力原文:M: American researchers have made a discovery that might help them better understand the mysterious sense of smell, VOA's Jessica Bermon reports.
W: There are about a thousand protein receptors in the nose that tell the brain what it's smelling. Each receptor can detect one or more odors but scientists have never before linked a specific odor molecule to a particular receptor. Writing in the journal Science, researchers at New York's Columbia University report doing just that with a meat odor and a receptor in the noses of rats. Steward Fairstine led the team of investigators. He says humans arc capable of discerning something like ten thousand different odors. Mrs. Fairstine says the research might also tell scientists more about brain chemicals and hormones which are part of the same family as odor receptors. Jessica Bermon, VOA news, Washington.
The research was done by scientists at ______.

A. New York University
B. Columbia University in New York
C. Washington University
D. Harvard University

What does the speaker say about one of the influences of computer age on industry?

A. People can work as long as they like.
B. People may retire earlier.
C. People may have more diseases.
D. People may not be as healthy as before.

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