专四词汇语法练习(30)1. _D_ plastics, the machine is light in weight.A. To make of B. To be made of C. Having made of D. Made of1 D) 【句意】 这台机器是塑料制成的,所以很轻。【难点】 分词结构置于句首,往往表示主句动作或行为的原因。动词不定式置于句首,往往作目的状语。本句中主句的主语和原因状语部分的动词的逻辑主语一致,故后者的动词部分应该使用被动语态,所以只有D)正确。2. “_A_ all three people in the car injured in the accident?”“No,_only the two passengers who got hurt.”A. Were/it was B. Are/there is C. Were/it were D. Was/there was2 A) 【句意】 “在这次事故中三个人全都受伤了吗?”“没有,只有两名乘客受了伤