
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(duì)“one billion people in the world” 的補(bǔ)充說(shuō)明, “that is”是 “that is to say”的省略說(shuō)法,是插入語(yǔ),that 并不是引導(dǎo)非限制性定語(yǔ)從句的,如果在 “that is”后加個(gè)逗號(hào)則更清楚,應(yīng)B。
知識(shí)點(diǎn)
therebe句型的定義
there be句型的概念:
英語(yǔ)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(dǎo)詞,無(wú)詞義,be為謂語(yǔ)動(dòng)詞,therebe后面的名詞為句子主語(yǔ)。
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