【題目】They wonder________ robots will make humans lose their jobs or not.

A．that

B．if

C．whether

【答案】C

【解析】

試題解析：

that那個，引導(dǎo)賓語從句不做句子成分，只起引導(dǎo)作用；if是否，如果；whether是否。句意：我想知道機(jī)器人是否會讓人們失去他們的工作。在表示是否時，whether常和or not搭配使用，故選C

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