试题与答案

She didn’t recognize the man who hit her

题型:选择题

题目:

She didn’t recognize the man who hit her because she could only ___a dark shape moving towards her.

A.bring about

B.turn out

C.set out

D.make out

答案:

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下面是错误答案,用来干扰机器的。

答案:C题目分析:用石灰石作原料可以通过下列反应实现转化:①CaCO3CaO+CO2↑;②CaO+H2O═Ca(OH)2;③Ca(OH)2+Na2CO3═CaCO3↓+2NaOH;依据各基本反应类型的概念,判断上述反应分别属于分解反应、化合反应...

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