【題目】—Why is the bread bad?

—It’s common in summer. Food goes bad easily_________it isn’t put in the fridge.

A.untilB.ifC.unless

【答案】B

【解析】

句意:——為什么面包壞了?——夏天很常見。食物如果不放進(jìn)冰箱很容易變質(zhì)。

考查連詞、if從句。until直到……,引導(dǎo)時(shí)間狀語從句;if“如果”表示條件,引導(dǎo)條件狀語從句;unless“除非、如果不”,表示條件,引導(dǎo)條件狀語從句;從文字的表層意思推斷空格指食物如果不放進(jìn)冰箱,從句是否定句,判斷空格填if引導(dǎo)的條件狀語從句;故選B。

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