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1 . A: With more and more trees cut down, ________ (自然平衡) has been damaged, which has caused many wild animals and plants ________ (处于濒临灭绝的危险中).
B: I can’t agree more. It’s high time that we________ (唤起人们保护野生动物的意识).
B: I can’t agree more. It’s high time that we
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