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What is traveler’s diarrhea

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Depression is commoner in women than in men.

A. 对
B. 错

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Based on the talk, write down one thing that a traveler should not do in order to prevent traveler’s diarrhea.

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What kind of people should not take the antibiotic Cipro for clearing up the infection

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Questions 17 to 20 are based on the following report about the new development in computer technology. You now have 20 seconds to read Questions 17 to 20. From the report, it can be inferred that

A. the new technology will raise production cost.
B. the new technology will turn out smaller computers.
C. the new technology will get more puzzle pieces into right position.
D. the new technology will construct a new integrated circuit.

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