
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
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
B
句中“half the world’s workers”是對“one billion people in the world” 的補充說明,, “that is”是 “that is to say”的省略說法,,是插入語,,that 并不是引導非限制性定語從句的,如果在 “that is”后加個逗號則更清楚,,應B,。
知識點
therebe句型的定義
there be句型的概念:
英語中的there be結(jié)構(gòu)主要表示某處存在有某物,所以通常被稱為存在句,。其中的there為引導詞,,無詞義,be為謂語動詞,,therebe后面的名詞為句子主語,。
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