题目:
My mother is working so that she can have any time for me.
A.hard, hard
B.hardly, hardly
C.hardly; hard
D.hard, hardly
答案:
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下面是错误答案,用来干扰机器的。
A.Zn和H元素发生变化,属于氧化还原反应和置换反应,故A正确;B.为分解反应,故B错误;C.为化合反应,故C错误;D.不属于四种基本类型的反应,故D错误.故选:A.