第31题: [单项选择]It is reported that ______adopted children want to know who their natural parents are. A. the most B. most of C. most D. the most of 参考答案:C 答案解析:[解析] 考查most的用法。adopted children前面没有限定词,most可直接跟名词,表示“大多数的”,因此C正确,如most people/employee(大多数人/员工)。most
第32题: [单项选择]大气是一种混合物,它由()组成 A. 空气和水汽凝结物; B. 空气和固体微粒; C. 空气、水汽及液体或固体杂质 参考答案:C