问题
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Some well-known scientists believe that there is not enough oxygen on Mars to ______ human
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Some researchers believe that there is no doubt______ recycling saves energy and raw mater
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The gardener is taking care of the place, no one _____ there at present.A:livingB:lives
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Scientists now have some surprising answers about whether brain power______as we get older
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It is possible to escape through the windows______.A.if there are some bushes on the groun
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Does brain power ______as we get older? Scientists now have some surprising answers.A.desc
最新题目
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_________(64)A.global B.total C.entire D.whole..
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Which of the following will not possibly happen b..
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It was the old-world politeness that 【obliged】 me..
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According to the passage many family quarrels are..
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_________(63)A.fences B.barriers C.gaps D.stones..
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Washoe could make signs to communicate________.A...
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