题目内容

A.explore B. transmit C. resource D. emerge E. yield F. pose G. assumeH.confidence I.inherit J. comprehensiveSome people believe that the earth can_____enough food to support at least twice its present population.

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A.explore B. transmit C. resource D. emerge E. yield F. pose G. assumeH.confidence I.inherit J. comprehensiveSam ____the gift of imagination from his family, but he lacked the driving power to take action.

A.explore B. transmit C. resource D. emerge E. yield F. pose G. assumeH.confidence I.inherit J. comprehensiveThere is widespread concern that the rising unemployment may ____a threat to social stability.

A.explore B. transmit C. resource D. emerge E. yield F. pose G. assumeH.confidence I.inherit J. comprehensiveIt is well known that China is a country with rich natural ______and a very big population.

设有随机变量X和Y,若E(XY)=E(X)E(Y),则X与Y相互独立.

A. 对
B. 错

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