Some plants ____________ (对污染很敏感) that they can only survive in a perfectly clea

游客2023-07-18 51

问题 Some plants ____________ (对污染很敏感) that they can only survive in a perfectly clean environment.

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答案 are so sensitive to pollution

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Someplants____________(对污染很敏感)thattheycanonlysurviveinaperfectlyclea