The population may be the greatest challenge of the world today.——青夏教育精英家教网—

摘要：The population may be the greatest challenge of the world today.

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The ________ population may be the greatest challenge of the world today.

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The ________ population may be the greatest challenge of the world today.

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用下列单词的适当形式填空。

The _____________ (increase) population may be the greatest challenge of the world today.

（用所给单词的适当形式填空） The _________ (increase) population may be the greatest challenge of the world today．

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