题目

Many of us were raised with the saying “Waste not, want not.” None of us, however, can    41   (complete) avoid waste in our lives. Any kind of waste is thoughtless. Whether we waste our potential talents, our own time, our limited   42   (nature) resource, our money,   43   other people’s time, each of us can become more aware and careful. The smallest good habits can make a big   44    (differ). It’s a good feeling to know in our hearts we are doing our best in a world    45    is in serious trouble. By being devoted to    46     (save) oil, water, paper, food, and clothing, we are playing     47     part in cutting down on waste. We must keep reminding       48     (we)that it is easier to get into something than it is to get out of it. Actually, severe damage     49    (do) to our land is fairly recent in the history of our evolution. It’s time for us to say no to waste so that our grandchildren’s children     50    (be)able to develop well. We can’t solve all the problems of waste, but we can encourage mindfulness. 答案：41．completely  42．natural  43．or        44．difference  45．that/which 46．saving      47．a     48．ourselves   49．done      50．will be

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