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单选题
1.[2005.10]_____plastics,the washing machines is light in weight.
of
ng of
g made of
ng made of
正确答案:A
答案解析:本题考查悬垂结构。逗号之前部分的逻辑主语是主句的主语,它们之间是被动的关系,即the washing machine is made of plastics。所以用过去分词形式(过去分词表示被动)。