题目内容

We should protect the environment, for plenty of fresh air ________ to good health.
A．adjustB．contributesC．distributesD．attributes
B
词义辨析. A.调整;适应  B.贡献;出力  C.分配;散布  D.认为……属于。根据题意，我们应该保护环境，因为大量的新鲜空气有助于身体健康。故选B。contribute to有助于……。
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