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问题 单项选择题

会车前选择的交会位置不理想时，要如何处置

A．加速选择理想位置

B．减速,低速会车或停车让行

C．向左占道,让对方减速让行

D．打开前照灯,示意对方停车让行

答案

参考答案：B

判断题

钢中常见的气体是[N]、[H]、[O]。
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单项选择题

In a certain sequence, the first term is 1, and each successive term is 1 more than the reciprocal of the term that immediately precedes it. What is the fifth term of the sequence ？（）

A.A

B.B

C.C

D.D

E.E
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