新视野大学英语听说教程3听力原文及答案 - 图文

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5. Yes, they did. Homework Task 1

1.C 2.A 3.B 4.D 5.B Task 2

1.D 2.A 3.A 4.D 5.B Task 3

1.organisms 2.untreated 3.occurences 4.agriculture 5.encouraged 6.administrations 7.attributed

8.Some things have been done to address this problem

9.in an effort to raise the public's awareness of environmental protection

10.to punish enterprises that drain untreated wastes into the rivers and oceans

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