题目内容

Man has woefully misused the earth’s natural resources downthrough the ages. This has been done largely through his ignoring 1.__________P

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of the consequenses, but in the process he has succeeded in layingwasteful vast expanses of forests and croplands. If our2.__________

extending population is not to suffer from shortages and pollution 3.__________in the future, a great effort must be made to repair some of

in the future, a great effort must be made to repair some ofthe damages already done and to stop more harm from done. A 4.__________

few people throughout the world are becoming less aware of our 5.__________past mistakes and are striving to halt this destruction and to revert