题目内容
20.They each have made great contributions to the environmental protection.Each of themhascontributed greatlyto the environmental protection.
分析 他们每个人都对环境保护做出了很大的贡献.
解答 答案:has contributed; to 考查句型转换.make great contributions to=contribute greatly to意为"对…做出很大的贡献".此外,原句中主语they是复数,助动词用have,同义句中主语each是不定代词,助动词用has.
点评 同义句型转换,是把意思相同或相近的句子用不同的词汇、短语及句型表示出来.同义句的相互转换除了考查主动句与被动句,复合句与简单句之间的转换,直接引语变间接引语外,还有一些词或短语的替换,仅仅通过替换几个词或短语,而使句子意思不变,就能达到异曲同工之妙."句型转换"题是用来考查学生对句子结构变化所掌握的程度.
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