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It is thought that one billion people

时间:2022-10-10 21:04:57 作者:语文迷 字数:836字

It is thought that one billion people I the world,

_

is half the word’s workers, earn their living by farming.

A.ifB.thatC.whichD.what

答案

B

解析

句中“half the world’s workers”是对“one billion people in the world” 的补充说明, “that is”是 “that is to say”的省略说法,是插入语,that 并不是引导非限制性定语从句的,如果在 “that is”后加个逗号则更清楚,应B。

知识点

therebe句型的定义

there be句型的概念:

英语中的there be结构主要表示某处存在有某物,所以通常被称为存在句。其中的there为引导词,无词义,be为谓语动词,therebe后面的名词为句子主语。