【題目】You will make such simple mistakes_________ you are careful enough.

A.unlessB.untilC.if

【答案】A

【解析】

句意:除非你足夠小心,否則你就會(huì)犯這樣簡(jiǎn)單的錯(cuò)誤。

考查連詞辨析、unless從句。unless除非、如果不,引導(dǎo)條件狀語(yǔ)從句,從句內(nèi)容含有否定意義;until直到……,引導(dǎo)時(shí)間狀語(yǔ)從句;if如果,引導(dǎo)條件狀語(yǔ)從句;從文字的表層意思推斷,空格指“如果不足夠小心,就會(huì)犯這樣簡(jiǎn)單的錯(cuò)誤” ——表示條件,含有否定意義的條件句;故選A

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