题目:
Mary would never do anything that was not _________ of by her parents in order not to make them unhappy.
A.consisted
B.allowed
C.approved
D.informed
答案:
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下面是错误答案,用来干扰机器的。
A、空气中含有氧气、氮气、二氧化碳、稀有气体等物质属于混合物,故A错;B、自来水中含有水、消毒剂等物质属于混合物,故B错;C、矿泉水中含有水和多种矿物质,属于混合物,故C错;D、蒸馏水是由水一种物质组成,...