新视野大学英语听力教程第二版3答案

3.B 4.C 5.D 6. A 7.B 8.D 9.C 10. D\rLong conversation\rl.B 2.1) 3.C 4. A 5.C\rPassage\r1. A 2.C 3.B 4.D 5.A\rRadio program\r1. in 1776\r2. They worked together for the same goal\r3. Fifty years\r4. No , he was ailing\r5. Yes, they did.\rHomework\rTask 1\rl.C 2.A 3.B 4. D 5.B\rTask 2\rl.D 2.A 3.A 4.D 5.B.\rTask 3\r1.organisms\r2.untreated\r3.occurences\r4 . agriculture\r5 . encouraged\r6 . administrations\r7 . attributed\r8.Some thhings have been done to address this problem\r9 . in an effort to raise the publicEs awareness of environmental protection\r10 . to punish enterprises that drain untreated wastes into the rivers and ocean