题目

It was said _____ was all ______ he said. A. that that; that      B. that that what C. which it; that      D. that what; that 答案：A  本题考查 it + be + v-ed +that-从句。第一个空中的第二个that表示“那”，第二空中的that引导定语从句修饰all。正确答案是A。  下列实验或制法中不涉及化学变化的是 A.用食醋除水垢                B.用葡萄酿制葡萄酒  C.用酒精杀菌消毒              D.工业上分离液态空气制氧气