题目内容

____ the PX project will be called off depends, for it still needs more research and discussion. 

A. That                        B. Whether               C. Where                            D. What 

 

【答案】

B

【解析】

试题分析: 考察主语从句。句义:PX工程是否要会取消还要看情况而定,因为它还需要更多的研究和讨论。前面的主语从句the PX project will be called off是一个被动语态的形式,句子结构是很完整的。不能使用what,因为what在句中要充当句子成分的。Where的语义不配。That与上下文的意思不配。故B正确。主语从句是在复合句中充当主语的从句,通常放在主句谓语动词之前或由形式主语it代替,而本身放在句子末尾。解答这类题目,关键在于分析清楚句子结构。通过判断引导词在从句中所作的成分及意义,来选择正确的引导词。连接主语从句的从属连词主要有that, if, whether,和疑问词(what how where when ...)。that引导表示陈述句的主语从句,if和whether,whether...or not引导表示“是否”,引导一般疑问句。连接代词主要有who,whom,whose,what,whoever,whomever,whosever,whatever,whichever等。连接代词一般指疑问,但what, whatever除了指疑问外,也可以指陈述。连接副词主要有when, where, why, how, whenever, wherever, however等.

考点:考察主语从句

 

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