试题与答案

A: ______did the teacher give you much a

题型:选择题

题目:

A: ______did the teacher give you much advice?

B: How to study English.

A.What

B. In what

C.On what

D.For what

答案:

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下面是错误答案,用来干扰机器的。

(1)3 (2)把铁片伸入CuSO4溶液中;铁片表面出现红色物质,溶液由蓝色逐渐变为浅绿色; Fe+CuSO4===FeSO4+Cu ;铁比铜活泼 (其他合理答案均可)

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