27. _______ many times, but he still couldn't understand it.

A. Though he had been told 　B. Having been told　 C. Having told 　D. He had been told　 　　　　　　　　　 　

26. -How about your journey to Mount Emei?

-Everything was wonderful except that our car　　　　 twice on the way.

A. slowed down　　　 B. broke down　　 C. got down　　 D. put down

25. They also said her work was equal to ____ of a student who had completed four years of college． A．it　　　　 B．that　　　 C．this　　　　　 D．one

24. - ＄1,500, but that’s my last offer.

- OK. It’s a ____.

A. cost　　　　 B. price　　 C. reward　　 D. deal

23. We______ the last bus and didn't have any money for taxi, so we had to walk home.

A. reached　　 B. lost　　　　 C. missed　　　　 D. caught

22. He told us whether　　　　 a picnic was still under discussion.

A. to have　　 B. having　　　　 C. have　　 D. had

第一节：单项填空(共15小题，每小题1分，满分15分)

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

21. -May I open the window to let in some fresh air?

-　　　　

A. Come on!　 B. Take care!　 C. Go ahead!　 D. Hold on!

29.　 (1)　　 H₂O

(2)　 Fe + 2Fe³⁺= 3Fe²⁺

(3)在黑暗处用一束光从液体侧面照射，若出现一条明显的光路，则为胶体(丁达尔现象)

(4) ① 阴极　　 22.4L　　 Cl₂

②2H⁺+2e^－=H₂ ↑

(2)氧化反应　　 消去反应

(3)