Without the ‘ greenhouse effect’, the earth ____ be about thirty-three degrees C
题型：不详难度：来源：
Without the ‘ greenhouse effect’, the earth ____ be about thirty-three degrees Celsius cooler than it is.| A．should | B．would | C．will | D．must |
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答案
| B |
解析
试题分析：考查虚拟语气中的情态动词。本题是一个虚拟语气，条件是通过介词without（要不是…如果没有…）体现出来的，句意：要不是“温室效应”的影响，地球的温度会比现在要低30华氏度。CD两项不能用与虚拟语气。本句的would表示会；should表示应该；故B正确。
点评：在虚拟语气中要注意四个情态动词should, would, might, could都是指自己本身的意思。 |
举一反三
It is high time that we ____ the amount of carbon dioxide in our daily life.
A. reduce B reduced C will reduce D reduces |
---I didn’t go to the party yesterday because my car broke down.
---You ______ mine. I wasn’t using it.| A．ought to borrow | B．would have borrowed | | C．had better borrow | D．could have borrowed |
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--How dangerous it was !
---Yes, but for the passer-by’s quick action,the girl _____ .| A．had been drowned | B．might be drowned | | C．would have been drowned | D．must have been drowned |
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Look at the trouble I am in. If only I _____ your advice.| A．followed | B．would follow | C．had followed | D．should follow |
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How I wish every family _____ a large house with a beautiful garden!| A．has | B．had | C．will have | D．have |
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