According to the scientists, it is possible for the primitive life to develop on other planets because the primitive life______.
A. is the earliest life on earth.
B. could be reserved in fossils.
C. flourished on some 3. 4 billon years ago.
D. can quickly develop into various forms.
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In analyzing a woman's customary "social presence," the author hopes to ______.
A. justify and reinforce it.
B. understand and explain it.
C. expose and discredit it.
D. demonstrate and criticize it.
Who is in favor of communicating on line？
A. The mart.
B. The woman.
C. Both.
What did the man do last night？
A. He went to see a film.
B. He went to see his friend off at the airport.
C. He worked late.
What's being discussed in the talk？
A small television.
B. A wrist watch.
C. A walkman.
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