【求助】____this instrument should have put its work permit number____this instrument should have put its work permit number on the box.A.Whoever inspected B.No matter who examined选A 为什么呐?这两个 有什么区别?

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【求助】____this instrument should have put its work permit number____this instrument should have put its work permit number on the box.A.Whoever inspected B.No matter who examined选A 为什么呐?这两个 有什么区别?

【求助】____this instrument should have put its work permit number____this instrument should have put its work permit number on the box.A.Whoever inspected B.No matter who examined选A 为什么呐?这两个 有什么区别?
【求助】____this instrument should have put its work permit number
____this instrument should have put its work permit number on the
box.
A.Whoever inspected B.No matter who examined
选A 为什么呐?这两个 有什么区别?

【求助】____this instrument should have put its work permit number____this instrument should have put its work permit number on the box.A.Whoever inspected B.No matter who examined选A 为什么呐?这两个 有什么区别?
你的盲点应该是在 区分不了whoever 和no matter who.区别如下:
whoever 的用法永远大于等于 no matter who,这是 准则.原因:疑问词+ever 构成的复合词可以引导名词性从句,让步状语从句等,但是 no matter +疑问词只能引导让步状语从句.这就是为什么whoever 的用法永远大于等于 no matter who.
再回到原题中,这道题如果选B的话,那么 整句话没有主语,因为no matter who··引导的是让步状语,状语怎么能做主语呢...
选A的话,whoever引导的是 名词性从句,可以做主语,所以A对.