27. ----English has a large vocabulary, hasn’t it?
----Yes. _____ more words and expressions will help you easily read and communicate.
A. Know B. Knowing C. To know D. Known
26. My grandfather is fond of talking about the good old days, ________ is often the case with old people.
A. when B. as C. that D. what
25. It’s the third time that John has been late, ____?
A. hasn’t he B. isn’t he C. isn’t it D. hasn’t it
24. ________ surprises us most is that she doesn’t even know ________ the difference between the two lies.
A. What; where B. All; which C. What; that D. That; where
23. ----Why did you cancel your trip to the New York?
----We were just about to leave ________ it started to snow.
A. when B. before C. after D. since
22. She’s in a hopeless situation, ________ we will keep a very close eye on.
A. where B. when C. which D. that
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. Steps must be taken ________ this kind of disaster will never happen again.
A. because B. even if C. as D. so that
第二节(共15小题; 每小题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. Who is the woman speaking to?
A. Her husband. B. A policeman. C. A fire-fighter.
7. What’s the woman asking for?
A. Advice on safety. B. Money. C. Help.
8. What has happened to the woman’s house?
A. It’s been burnt down.
B. It’s been broken into.
C. It’s been damaged.
请听第7段材料，回答第9至11题。
9. What does the woman want to know?
A. The best way to go to New York.
B. The quickest way to go to New York.
C. The cheapest way to go to New York.
10. How much does it cost the woman to go to New York by bus?
A. $5. B. $15. C. $50.
11. What do we know from the conversation?
A. The woman will go to New York by bus.
B. It will take the woman five hours to go to New York by bus.
C. The woman won’t go to New York by bus.
请听第8段材料，回答第12至14题。
12. When will the ballet performances be on?
A. This week. B. Next week. C. Next month.
13. When will the man attend the performance?
A. On Sunday evening.
B. On Thursday evening.
C. On Friday evening.
14. How much does the man pay for the tickets?
A. $20. B. $10. C. $40.
请听第9段材料，回答第15至17题。
15. What’s the probable relationship between the two speakers?
A. Good friends. B. Strangers. C. Classmates.
16. What can we know about the woman from the conversation?
A. She won a cup in last week’s tennis competition.
B. She is a science expert.
C. She works at St Jude’s Training College.
17. How long has the man been in the science department?
A. Half a year. B. More than a year. C. Two years.
请听第10段材料，回答第18至20题。
18. How often do people in the Historical Society meet?
A. Every week.
B. Every other week.
C. Every three weeks.
19. What is the main purpose of the Historical Society?
A. To find out what they can learn from history.
B. To study the people in history.
C. To learn about what happened in the past.
20. What do the Historical Society plan to do this year?
A. Study the history of the town.
B. Visit historic houses in the college.
C. Visit more historic places.
第一节(共5小题；每小题1.5分，满分7.5分)
请听下面5段对话, 选出最佳选项。
1. Where does the conversation most probably take place?
A. In a park. B. In a zoo. C. In a pet store.
2. What does the woman mean?
A. Things here are very cheap.
B. Things here are not cheap.
C. She doesn’t know whether things here are cheap or not.
3. Where are the two speakers going to plant the tree?
A. By the front door.
B. At the back of the garage.
C. At the end of the garden.
4. Where does the conversation take place?
A. In a shop. B. In a hotel. C. In a restaurant.
5. What do we learn from the conversation?
A. The man went to New Zealand during Christmas.
B. The man visited New Zealand during the summer holiday.
C. The man’s parents live in New Zealand.
3、时间的控制：做好质壁分离的实验后，不久就要做质壁分离复原实验。避免使质壁分离的细胞长时间处于较高浓度的外界溶液中，细胞过度失水而导致死亡。从而观察不到质壁分离复原的现象。