He looks so weak and pale ________ suffering from a serious illness.A.as ifB.as

He looks so weak and pale ________ suffering from a serious illness.A.as ifB.as

题型:不详难度:来源:
He looks so weak and pale ________ suffering from a serious illness.
A.as ifB.as long asC.now thatD.even if

答案
A
解析
词义辨析。as if仿佛,好像;as long as只要;now that由于,既然;even if
即使,甚至;句意:他看起来如此的虚弱,苍白仿佛才从一场大病中恢复过来。选A。
举一反三
There is no doubt _________ the world climate has been changing in recent years.
A.thatB.whatC.ifD.whether

题型:不详难度:| 查看答案
        children believe they can succeed, they will never become totally independent.
A.IfB.ThoughC.UnlessD.When

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John’s success has nothing to do with good luck. It is years of hard work _______has made him a great scientist today.
A.thatB.whenC.whichD.why

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—Did your father phone you shortly after the accident?
—No, it was a fortnight ________ he gave me a phone call.
A.sinceB.whenC.whileD.before

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Remember when you learned to water ski, David?  _________ you skied more, you got better and better. It’s the same with language study. 
A.althoughB.whileC.asD. unless

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