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scientists have been resreaching what effect smoking has on us为什么不能用 what effects?还有可数名词不单独出现,除非有物主代词修饰 还有别的情况?
题目详情
scientists have been resreaching what effect smoking has on us
为什么不能用 what effects?
还有可数名词不单独出现,除非有物主代词修饰 还有别的情况?
为什么不能用 what effects?
还有可数名词不单独出现,除非有物主代词修饰 还有别的情况?
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答案和解析
effect 在此是名词“影响,效果”的意思,不可数.what effect就是“什么影响”当然不可数,所以不能用effects.
“可数名词不单独出现,除非有物主代词修饰”这是死的语法,关键是从意义上分析,其实如果前面有别的修饰语的情况下,如“this、that、the”等,只要能让听话人知道具体是指哪一个,都可以出现.
“可数名词不单独出现,除非有物主代词修饰”这是死的语法,关键是从意义上分析,其实如果前面有别的修饰语的情况下,如“this、that、the”等,只要能让听话人知道具体是指哪一个,都可以出现.
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