34 There are several ways to_____ our natural resources, including the reduction of paper usage, the
recycling of trash, and the use of public transportation.
(A)prevent
(B) con serve
(C)predict
(D) construct
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(A)prevent 預防(B) con...
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conserveKK[kənˋsɝv] ...
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有許多方式可以....我們的自然資源，包...
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