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问题 选择题

下列现象中，由地球公转引起的是（　　）

①太阳东升西落②地方时间的差异 ③正午时旗杆影子的长短变化④不同的地方昼夜长短的不同．

A．①③

B．①②

C．③④

D．①④

答案

比较题干中的选项可得，由地球公转引起的是正午时旗杆影子的长短变化和不同的地方昼夜长短的不同．

故选：C．

选择题

— Was the problem solved at the meeting?

— Not yet. I'm afraid it may lead to more serious ones if _____ unsolved.[ ]

A. making

B. remained

C. left

D. taking

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单项选择题

Passage Three


Questions 32 to 35 are based on the passage you have just heard.

A. Young people who want to ride a car for joy.
B. Professionals who steal cars for other crimes.
C. People who lack money to buy a car.
D. Both A and B.
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