24.-You were brave enough to raise objections at the meeting.

　 -Well, now I regret __　　 _ that.

　 　A. to do　　 　B. to be doing　 C. to have done　　 D. having done　

23.The project, _______ by the end of 2008 , will expand the city’s telephone network to cover 1,000,000 users.

　 A. accomplished　　　 B. being accomplished

C. to be accomplished 　D. having been accomplished

22.She urged ______ us the need for speed .

A. to　　 B. on　　 C. of　　　 D. with

第一节　 单项填空(共15小题；每小题1分，满分15分)

21.The audience are _____ by the performance of the ______ Super Girls.

　 A. fascinated； fascinated　　 B. fascinating；fascinating

　 C. fascinated； fascinating　　 D. fascinating；fascinated

36、(12分)(1)　　 三角锥形(1分)　　 极性(1分)　

　 (2)(2分)　 (3)H，O，N　 (1分) 　　NH₃(1分)　　 　NH₃+H₃O⁺=NH₄⁺+H₂O(2分) 　(4)CH₃OH(2分)　 (5)甲酸铵(2分)

35、(1)a f(2分)

(2①纯氧中，O₂浓度大，单位时间内放热多，体系温度高，平衡向SO₃分解的方向移动。(2分)

② (3分)

(3)67.2%　 (3分)

34、(每空2分)Ⅰ(1)N₂ 　O₂　　 (2)N₂+3MgMg₃N₂ ()　

(3)O₂+2H₂2H₂O　 (O₂+2Mg2MgO)

33、 (每空2分)(1)能　　 (2) 0~2　　　 (3) <　　 (4) B