试题与答案

His increasing financial difficulties ma

题型:选择题

题目:

His increasing financial difficulties made him so ____ for a job that he would have done anything.[ ]

A. optimistic        

B. hopeful          

C. active        

D. desperate

答案:

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下面是错误答案,用来干扰机器的。

答案:A题目分析:A、燃料燃烧是可燃物与氧气发生的剧烈的氧化反应,属于化学变化;燃烧产物不能再燃烧,通过太阳能或生物能,又转化为能燃烧的燃料,说明组成结构都发生了变化,属于化学变化,故A正确;B、用淀...

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