3.【解析】[Y]該句句意為:缺水的主要原因是人口增長和水污染。本題解題依據可定位到本文第四段第一句話 Growing populations will worsen problems with water... 及第十一段第一句話But almost everyone contributes to water pollution. 兩者都是水資源缺乏的原因，與原文之義相符。

　　4.【解析】[Y]該句句意為:美國人面臨的有關水的問題為地下水的減少和污染。本題解題依據為第七段第二句話和第八段第三句話，這兩句話加在一起即為美國人所面臨的水資源方面的問題，與原文之義相符。

　　5.【解析】[N]該句句意為:根據這篇文章，所有水的污染都來自于家庭廢棄物。本題解題依據為第十一段最后一句話...70 percent of the pollutants could be traced to household waste (百分之七十的污染物源于家庭廢棄物)，據此，本題之意與原文之義不合。

　　6.【解析】[N]該句句意為:美國人將不會面臨缺水問題。該題解題依據為文章第七段第二句話 But Americans could face serious water shortages, too, especially in areas that rely on groundwater, 顯然本題之意與原文之義不合。

　　7.【解析】[NG]該句句意為:水利專家Gleick 提供了與水相關的最佳解決方案。根據本文第十三段第一句話所述，專家Gleick 并未提供任何最佳解決方案。

　　8.【解析】one�瞭hird 解題依據為第四段最后一句話：He fears that by the year 2025, as many as one�瞭hird of the world’s projected 8.3 billion people will suffer from water shortages.

　　9.【解析】glaciers and ice caps 解題依據為第五段第二句話：Two�瞭hirds of this freshwater is locked in glaciers and ice caps.

　　10.【解析】water pollution 解題依據為第十段第二句話：Toxic chemicals pollute water when released untreated into rivers and lakes.

　　Part IIIListening Comprehension

　　Section A

　　11.W∶ I just saw an ad on television that said men’s suits were on sales today and tomorrow at Conrad’s Men’s Wear.

　　M∶Great! That’s just what I’ve been waiting for.

　　Q∶What will the man probably do?

　　【解析】[D]男士說男士套裝的特價銷售正是他一直等待著的。所以從他的態度可判斷，他要去買件男裝。

　　12.W: Is John really ill?

　　M:It’s hard to say. I doubt there’s anything wrong with him physically.

　　Q: What does the man mean?

　　【解析】[A]從男士的話：我懷疑約翰的身體沒有任何問題中可看出答案。

　　13.M:Do you know if the book shop is still open?

　　W:Yes, it’s open till six.

　　Q:When do you think this conversation took place?

　　【解析】[A] 女士說書店現在還開著，一直開到六點呢，說明現在的時間是在六點之前。

　　14.M:Of the two houses we saw today, which do you prefer?

　　W:I think the white one is prettier, but the brick one has a bigger yard, so I like it better.

　　Q:Why does the woman like the brick house better than the white house?

　　【解析】[C]女士明確指出 the brick one has a bigger yard, so I like it better.

　　15. M:Honey, we’ll have a guest from Australia, a friend of mine. He’ll stay in California for two weeks.

　　W:Yes. Your friend Andy. He was your classmate at London University, wasn’t he?

　　Q:What is the probable relationship between the two speakers?

　　【解析】[C]男士稱女士為 honey, 證明兩人關系親密，由此可判斷兩人關系為夫妻。

　　16.M: When will the meeting begin?

　　W:According to the schedule it should be at 9:30. It will last for an hour and a half.

　　Q:When will the meeting be closed?

　　【解析】[B]根據女士所說的話，根據時刻表會議9∶30開始，持續一個半小時，那么即11：00結束。