問題詳情

(c) Environmental protection is an issue that is being talked about worldwide. Some peoplepromote 3Rs for environmental protection.The first “R” stands for “reduce.” We may choose ___51___ materials or containers that___52___ environmentally friendly so that we may reduce trash. The second “R” stands for“reuse.” If a container can ___53___ again, do not throw it away after using it. Or even better,we may bring our own containers or bags when we go shopping. ___54___ “R” stands for“recycle.” Some things may be used again after they are recycled and processed. We may alsoprotect our environment by using recycled products, such as recycled paper or bottles.We may change our lifestyle a bit by doing the 3Rs. It doesn’t change much of our life, butit ___55___ a lot on our earth. By doing so, we may make our planet a better place to live on.
51.
(A) to use
(B) using
(C) used
(D) being used

參考答案

答案：A
難度：適中0.4
統計：A(2),B(0),C(1),D(1),E(0)

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