listening to loud music at rock concerts____caused hearing loss in some teenagersA is B are C has D have

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listening to loud music at rock concerts____caused hearing loss in some teenagersA is B are C has D have

listening to loud music at rock concerts____caused hearing loss in some teenagersA is B are C has D have
listening to loud music at rock concerts____caused hearing loss in some teenagers
A is B are C has D have

listening to loud music at rock concerts____caused hearing loss in some teenagersA is B are C has D have
选C
主语是非谓语动词listening to ...
意思是:在摇滚音乐会听很大声的音乐导致一些青少年损伤了听力.

选择C 横线前面的部分是句子的主语 listening to是动名词用作主语 后面是完成时表示事情已经发生 摇滚音乐的噪音已经导致了对青少年听力的影响 望采纳

选C 这句话的主语是listeninng to loud music 所以后面的谓语动词用单三形式, 排除AB 因为这两个填上就属于被动语态了 ,不符合句子,这句话的意思是在摇滚演唱会上听大声的音乐已经造成一些青少年失聪,所以肯定是主动语态。为什么不用is呢is后面加caused相当于be加动词的过去分词 ,那就是被动语态了。如果后面是causing用is在语法上可以说得通...

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选C 这句话的主语是listeninng to loud music 所以后面的谓语动词用单三形式, 排除AB 因为这两个填上就属于被动语态了 ,不符合句子,这句话的意思是在摇滚演唱会上听大声的音乐已经造成一些青少年失聪,所以肯定是主动语态。

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如果是is 的话,必须是A be caused by..B. 意思是a是由于B引起的。

上面说的都很好。listening to loud music at noncerts指的是在音乐会上听大声的音乐这“一”件事上,所以用:has.