27．　　　 some of the aboriginal languages have been lost, people are trying hard to protect and record what is left.

　 A．While　　　 B．Since　　　 C．Before　　　 D．Unless

26．The faces of the American president on Mount Rushmore can be seen, from a 　　　　of 60 miles.

　 A．length　　　 B．distance　　　 C．way　　 D．space

25．I really can’t imagine such a beautiful girl 　　　　be so rude.

　 A．need　　　 B．may　　　 C．shall　　　 D．should

24．I’ve promised to keep it secret so I can’t really tell you anything 　　　　what you know already.

　 A．for　　　 B．about　　　 C．of　　 D．beyond

23．The Roma people originally lived in northwestern India in 　　　　is now southeastern

Parkistan.

　 A．which　　　 B．what　　 C．that　　　 D．where

22．-Excuse me, can you spare me a few minutes?

-　　　 ?

　 A．What’s on　　　 B．What is it　　　 C．What’s up　　　 D．What’s more

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，选出可以填人空白处的最佳选项，并在答题卡上将该项涂黑。

第一节　 选择题

21．I was going to pay a visit to 　　　Smiths when 　　　　Mr Green called me up, who I didn’t know at all.

　 A．the , the　　　 B．the , a　　　 C．a , the　　 D．a, a

第二节(共15小题；第小题1.5分,满分22.5分)请听下面5段对话或独白，选出最佳选项。请听第6段材料，回答第6至8题。

6．What does the woman show the man?

　 A．Pictures.　　　 B．Postcards.　　　 C．Stamps.

7．Where did the woman get the things she shows the man?

　 A．At the Summer Palace.　　　　　 B．At the Forbidden City.

C．A t the Great Wall.

8．What did the woman do in China?

　 A．She learned a lot of Chinese.　　　 B．She made some great Chinese friends.

C．She learned how to cook C　　 hinese food.

请听第7段材料，回答第9至11题。

9．When does the conversation probably take place?

　 A．Before the play.　　　 B．During the play.　　 C．After the play.

10．Which of the following is TRUE about the play?

　 A. The heroine’s name is Ann Merriweather.

B．It’s a comedy about three sisters.

C．One teacher falls in love with her colleague.

11．What can we learn from the conversation?

　 A．Neither the man nor the woman has seen the play before.

B．The man bought the woman one ticket for the play.

C．The woman is not familiar with the plot of the play.

请听第8段材料，回答第12至14题。

12．What did the woman use to be?

　 A．A film star.　　　 B．A singer.　　　 C．A tennis player.

13．How does the woman feel about New York?

　 A．New York hasn’t had any changes at all.

B．Changes have taken place round the center.

C．The countryside has some differences from the downtown area.

14．Why does the woman come to New York?

　 A．To star in a TV program.

B．To attend or watch the tennis games.

C．To spend a vacation.

请听第9段材料，回答第15至17题。

15．What can we know about the shirt the woman first recommends?

　 A．It’s a white shirt.

B．Its size is thirty-one.

C．It costs 5.59 dollars.

16．What did the man buy in the shop yesterday?

　 A．A handkerchief　　　 B．A tie　　　 C．A pair of socks

17．What is the man’s total bill?

　 A．3.95 dollars.　　 B．4.50 dollars　　 C．4.60 dollars.

请听第10段材料，回答第18至20题。

18．What did the speaker’s friends think of his change of interest?

　 A．Understandable　　　 B．Strange.　　 C．Crazy.

19．Why did the speaker change his interest to underwater exploration?

　 A．It is much cheaper than space travel.

B．It is much safer than space travel.

C．It is more exciting than space travel.

20．In what way does the speaker think the ocean is similar to space?

　 A．They are both easy to explore.

B．They are both beautiful.

C．They are both awful.

　 该部分分为第一、第二两节。注意：回答听力部分时，请先将答案标在 试卷上。听力部分结束前，你将有两分钟的时间把你的答案转涂到客观题答题卡上。

第一节(共5小题；第小题1.5分,满分7.5分)

请听下面5段对话，选出最佳选项。

1．When will the film end?

　 A．At 8:30.　　　 B．At 9:00.　　　 C．At 9:30.

2．What does the woman mean?

A．She made the dress herself. 　　B．Her mother bought the dress for her.

C．Her mother made the dress for her.

3．Where is the woman from?

　 A．America　　　 B．Australia　　　 C．Canada

4．Where does the conversation take place?

　 A．At a post office　　　 B．At a shop.　　　 C．At a hotel.

5．How much is the jacket?

　 A．600 US dollars.　　　 B．100 Hong Kong dollars.　　 C．600 Hong Kong dollars.

31. (12分)取甲、乙、丙、丁四支洁净的试管，按照下表中顺序依次加入有关物质并进行有关处理，回答下列问题：

　(注：“+ ”表示加入物质或相关处理，“- ”表示不加物质或不做处理)

(1) 用甲、乙试管做验证酶具有催化作用的实验，则乙试管中还应加入　　　 　　 ，乙试管内的实验现象是 　　　　　　　　　。

(2) 用丙、丁试管做验证酶具有专一性的实验，则丁试管内应先后加入 　　　　　(从下面的①-⑧中选择序号填空)。

①碘液1滴　　　 ②斐林试剂2mL　 ③双缩脲试剂2mL　④二苯胺试剂2mL　　

⑤淀粉溶液3mL　 ⑥蔗糖溶液3mL　 ⑦小麦淀粉酶滤液2mL　 ⑧清水2mL　

该实验的实验变量是 　　　　 　　　　　　　　　　　　　　　　 　。

该实验的原理是：① 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　。　

②　　　　　 　　　　　　　　　　　　　　　　　　　　　　　　　。