1 . This is ________ (nature) for many people. (所给词的适当形式填空)
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2 . I want to experience some Chinese culture and ______ (nature) beauty there. (所给词的适当形式填空)
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3 . ________ (nature) food is good for our health. (所给词的适当形式填空)
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4 . It is hoped that ________ (nature) resources will be found on Mars. (所给词的适当形式填空)
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5 . In order to protect the environment people shouldn’t destroy ______ (nature)balance.
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