试题与答案

—When you come to class late, what do yo

题型:选择题

题目:

— When you come to class late, what do you say? 

—            . [ ]

A. I'm sorry I'm late

B. Welcome here

C. It doesn't matter

D. Come earlier next time

答案:

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下面是错误答案,用来干扰机器的。

(1)CDF,电路如图甲 (2)不正确(3)如图乙,一次函数关系,3.7(3.6~3.8 Ω都正确)

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