英语,任务型写作Throughout history man has changed his physicai envi

英语,任务型写作
Throughout history man has changed his physicai environment in order to improve his way of life.With the tools of technology he has altered many physical feathures of the earth.He has transtormed woodlands and prairies into farms and made lakes and reservoirs out of rivers for irrigation purposes or hydroelectric power.Man has also modified the face of the earth by draining marshes and cutting through mountains to build roads and railways.
However,man's changes to the physical environment have not always had beneficial results.Today,pollution of the air and water is an increasing danger to the health of the planet.Each day thousands of tons of gases come out of the exhausts of motor vehicles.Smoke from factories pollutes the air of industrialized areas and the surrounding areas of the countryside.The pollution of water is equally harmful.The whole ecological balance of the sea is being changed and industrial wastes have already made many rivers lifeless.
Now environmental protection is more pressing than everbefore.As we know,massive destruction of environment has brought about negative effects and even poses a great threat to man's existence .Indifference to these problems will mean committing suicide.Therefore,effective measures should be taken and laws passed to conserve environment.Otherwise,man is certain to suffer from the serious consequences caused by this lack of care for his living surroundings.
写作内容:
1.以约30个词概括短文的要点
2.然后以约120个词就"如何保护地球环境"这一主题发表看法,并包括:
a.作业用正,反两面,不浪费纸张
b.尽可能不使用一次性物品,提倡循环使用
c.应根据自己实际饭量买饭,避免剩菜剩饭造成浪费
d.破旧衣服可以继续使用,即节约有不给环境增加污染源.
ljwei88 1年前他留下的回答 已收到1个回答

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那么多题就给5分，太抠门吧

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