标题: 几道PP语法题？ [打印本页] 作者: wdzc 时间: 2003-9-8 03:11 标题: 几道PP语法题？ 64. Lactose, a sugar present in milk, is one of simple sugars used in food preparations for infants.
答案是C,想不清楚为什么是C，我觉得是B,应该改为presenting.
96. Cyclamates were introduced in the early 1950's as alternative sweeteners for use by individuals who needed reducing their sugar intake for medical reasons. 答案是D,我想needed在这里做实意动词，后面可以接名词，如： My car needs reparing. 但是在这里reducing their sugar intake 是一个动名词词组，所以要改为needed to reduce their sugar intake.
作者: teddy-bear 时间: 2003-9-8 21:09
one of the simple