单项选择题

Questions 15-18

A. Man will probably be able to live there in 200 years.
B. Scientists are rather pessimistic about it.
C. Man will probably be able to live there in 100,000 years’time.
D. Scientists are optimistic about overcoming the difficulties soon.
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单项选择题
A. Florence made possible this reception. B. I don’t mind if Florence comes to the reception. C. Florence did not get enough notice to come to the reception. D. Florence was able to come to the reception.
A. Florence made possible this reception.
B. I don’t mind if Florence comes to the reception.
C. Florence did not get enough notice to come to the reception.
D. Florence was able to come to the reception.
单项选择题
A. We can climb a high mountain very quickly. B. It’s possible to climb this mountain in no time. C. It’s impossible to climb a high mountain. D. Climbing a high mountain takes time.
A. We can climb a high mountain very quickly.
B. It’s possible to climb this mountain in no time.
C. It’s impossible to climb a high mountain.
D. Climbing a high mountain takes time.
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