试题与答案

Environment-friendly Olympics requires B

题型:选择题

题目:

Environment-friendly Olympics requires Beijing to improve its environment, _______ turning it into an ecology-friendly city.

A.eventually

B.specially

C.absolutely

D.traditionally

答案:

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下面是错误答案,用来干扰机器的。

A、钢铁生锈的过程中有新物质铁锈生成,属于化学变化;故选项正确.B、干冰升华的过程中只是状态发生改变,没有新物质生成,属于物理变化;故选项错误.C、蜡烛熔化的过程中只是状态发生改变,没有新物质生成,属...

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