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题目
题型:不详难度:来源:
He failed in the exam not only        his laziness but also        he didn’t listen to the teacher.
A.because; for B.because of; because
C.as; forD.for; since

答案
B
解析
 本题考查考查because, because of, as, since 辨析。分析空后的句子成分,依据句意可知,应选B项。because 是连词,引导原因状语从句,而because of 是复合介词,后面接名词或者代词等。because/as/since/for because表示直接原因,语气最强。回答why提出的问题只能用because。在强调句型中,也只能用because。 as用于解释做某事的原因,语气较弱,通常位于主句前。 since表示的原因是指人们已知的事实,常意为“既然”。语气比because弱,但比as强。通常位于主句前,并常与as换用。 for并列连词,连接并列分句,表示一种补充说明,是推测或判断的理由,语气较弱,不可位于主句前。有时可表示直接原因,相当于because。
核心考点
试题【He failed in the exam not only        his laziness but also        he didn’t lis】;主要考察你对连词等知识点的理解。[详细]
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