These figures lead to an expectation in which the main application area would be

游客2023-12-31  22

问题 These figures lead to an expectation in which the main application area would be in the office environment.

选项 A、if
B、that
C、as
D、whether

答案 B

解析    (1)画线部分错误分析。
   本题的考点为同位语从句与定语从句的区别。原句从结构来看in which本用于引导定语从句,句中先行词是expectation,in which指的是in the expectation,但从句的内容实际是对expectation内容的解释说明,该从句句子结构完整,不缺成分,因而此处应为同位语从句,用以补充说明expectation的内容,故应选用关系词that。
   (2)选项分析。
   本题中,由于从句的句子结构完整,所以从句应为补充说明expectation的同位语从句,用连词that引导。连词if不可引导同位语从句,排除选项A;“whether+陈述句,,可构成同位语从句,根据句意,从句为陈述句而非一般疑问句,因此排除选项D;而as作为连词多引导状语从句,只有选项B符合句意与语法形式要求。
   【知识拓展】语法拓展:同位语从句。
   同位语从句位于名词之后,用来补充说明名词。用法如下:
   ①由连词that引导同位语从句。同位语从句所说明的词常为表示抽象概念的名词,如fact,idea,question,conclusion,news,conclusion,doubt,theory,thought,evidence,order,proof, confidence等。
   e. g. He was prepared to prove his theory that two different weights would fall to the ground at the same time.
   他准备证明他的理论:两个重量不同的物体同时落地。
   ②whether也引导同位语从句,但注意if不可引导同位语从句。
   e.g.There is some doubt whether he will come.
   他是否会来还不一定。
   ③连接代词what,who,whom,whose可以引导同位语从句。
   e.g.Then arose the question who(whom)we should trust in.
   那时就产生了我们应该相信谁的问题。
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