【題目】Without the air to hold some of the sun's heat, the earth at night _________，too cold for us to live.

A. would be coldly freezing B. would be freezing cold

C. would be frozen cold D. will freeze coldly

【答案】B

【解析】句意：如果沒有大氣層保溫，夜晚地球就會(huì)非常寒冷，冷得我們無法生存。表示與現(xiàn)在事實(shí)相反的條件，從句謂語用動(dòng)詞的過去式，主句謂語用would +動(dòng)詞原形。freezing意為“極冷地”；frozen意為“冷凍的”。

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