18.It's impossible for all the people to get jobs because ________of them are not fit for them.( 。
A.noneB.allC.not allD.every one

分析 所有的人都找到工作是不可能的,因?yàn)椴⒉皇撬械娜硕歼m合這些工作.

解答 答案B.此處"all of them are not fit for them."是部分否定,all…not或not all均為部分否定,為"并不是所有的都…",意為:并不是所有的人都適合這些工作,但由于句子中后面有not,因此不能再使用not all,故不能選C.故選B.none一個(gè)也沒有;all所有的;not all并不是所有人;every one每個(gè)人.

點(diǎn)評(píng) 本題考查不定代詞的用法辨析.學(xué)生應(yīng)根據(jù)不定代詞的詞義和上下文選擇合適的答案.

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