阅读理解Theword“conservation”hasathrifty（节俭）meaning.Toconserveistosaveandto

阅读理解 The word “conservation” has a thrifty（节俭）meaning. To conserve is to save and to protect, to leave what we ourselves enjoy in such good condition that others may also share the enjoyment. Our forefathers had no idea that human population would increase faster than the supplies of raw materials; most of them, even until very recently, had the foolish idea that the treasures were “limitless” and “inexhaustible”. Most of the citizens of earlier generations knew little or nothing about the complicated and delicate system that runs all through nature, and which means that, as in a living body, an unhealthy condition of one part will sooner or later be harmful to all the others. Fifty years ago nature study was not part of the school work; scientific forestry was a new idea; wood was still cheap because it could be brought in any quantity from distant woodlands; soil destruction and river floods were not national problems; nobody had yet studied long-term climatic cycles in relation to proper land use; even the word “conservation” had nothing of the meaning that it has for us today.For the interests of ourselves and those who will come after us, we must now set about repairing the mistakes of our forefathers. Conservation should, therefore, be made a part of everyone’s daily life. To know about the water table（水位）in the ground is just as important to us as a knowledge of the basic arithmetic formulas. We need to know why all watersheds（上游源头森林地带集水区）need the protection of plant life and why the running current of streams and rivers must be made to yield ( produce ) their full benefit to the soil before they finally escape to the sea. We need to be taught the duty of planting trees as well as of cutting them. We need to know the importance of big nature trees, because living space for most of man’s fellow creatures on this planet is figured not only in square measure of surface but also in cubic volume（容积量）above the earth. In brief, it should be our goal to restore as much of the original beauty of nature as we can.1.According to the author the greatest mistake of our forefathers was that _______.A.they had no idea about scientific forestryB.they had little or no sense of environmental protectionC.they did not realize the importanceD.they had no idea of how to make good use of raw materials2.It can be inferred from the passage that earlier generations didn’t realize _______.A.the interdependence（相互依存）of water, soil, and living thingsB.the importance of the proper land useC.the harmfulness of soil destruction and river floodsD.the extraordinary rapid growth of population3.With a view to correcting the mistakes of our forefathers, the author suggests that ______.A.we plant more treesB.our forefathers be taught environmental science, as well as the science of plantsC.environmental education be directed toward everyoneD.we return to nature4.. What does the author imply（express indirectly）by saying “living space for most of man’s fellow creatures on this planet is figured not only in square measure of surface but also in cubic volume（容积量）above the earth.”?A.Our living space on the earth is getting smaller and smaller.B.Our living space should be measured in cubic volume.C.We need to take some measures to protect space.D.We must create better living conditions for both birds and animals.5.The underlined word “restore” probably is closest to the meaning of “_________”.A.put backB.bring backC.keepD.protect

BACAB解析1.推理题，根据第一段Our forefathers had no idea that human population would increase faster than the suppliies of raw materials,可知我们的前辈最大错误就是没有环境保护意识。故选B.2.推理题，根据第一段第六行Most of the citizens of earlier generations knew little ...system that runs all through nature..all the othets.k可知在自然界中水，石油和生物是相互依存的。故选A.3.细节题，根据第三段 Conservation should,therefore,be made apart of ereryone’sdaily life.可知选C.4.推理题，句意是在地球上人类的生存空间不仅是在地球的表面，而且在地球的上空。说明我们的生存空间越来越小。故选A。5.推理题，restore 恢复原状，修复；与bring back 同义，故选B.

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