题目

My cousin is _______ heavy because he often eats _______ fast food.A. much too; too many B. too much; too muchC. too many; too much D. much too; too much 答案：【答案】D【解析】句意：我堂弟太重了，因为他经常吃太多快餐。考查形容词短语和副词短语。A. much too; too many太，太多；B. too much; too much太多，太多；C. too many; too much太多，太多；D. much too; too much太，太多。第一空修饰其后形容词heavy，应该用副词短语much too，所以排除BC；第二空修饰其后不可数名词下列符号既能表示一种物质，又能表示这种物质的一个原子的是A.N2B.H2OC.He D.SO3