【題目】They wonder ________ robots will make humans lose their jobs or not.
A.that
B.if
C.whether
D.so

【答案】C
【解析】句意:他們想知道機(jī)器人是否會(huì)使人類(lèi)失去工作。考查連詞辨析。A. that賓語(yǔ)從句引導(dǎo)詞,無(wú)實(shí)義;B. if是否,連詞;C. whether是否,連詞;D. so因此,連詞。本題是賓語(yǔ)從句,根據(jù)句意,可排除A和D選項(xiàng)。if和whether都可以引導(dǎo)賓語(yǔ)從句,但區(qū)別在于,當(dāng)句中有or(not)時(shí),只能用whether而不可用if。故選C。

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