单项选择题
Questions 13 to 15 are based on the conversation you have just heard.
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A. The low humidity.
B. The changing climate.
C. The high altitude.
D. The extreme temperatures.
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单项选择题
A. She was attacked by robbers. B. She was stopped and forced to enter a flying saucer. C. She fainted due to the effects of some drag. D. She was stopped by a policeman and treated rudely.
A. She was attacked by robbers.
B. She was stopped and forced to enter a flying saucer.
C. She fainted due to the effects of some drag.
D. She was stopped by a policeman and treated rudely.
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单项选择题
A. Because students vary in needs.B. Because schools offer different subjects.C. Because different teaching methods are used.D. Because schools are various in size.
A. Because students vary in needs.
B. Because schools offer different subjects.
C. Because different teaching methods are used.
D. Because schools are various in size.
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