（) 2. There is __ chicken in the cupboard. Go and buy some.

　　A. little B. a little C. few

3.在观察蚯蚓的过程中，必须保持蚯蚓的体表湿润，其原因是（)

A.蚯蚓必须生活在水中 

B.使蚯蚓的呼吸能正常进行 

C.以此增加蚯蚓的灵敏度 

D使蚯蚓完成受精作用 

I was once a fat girl . I weighed 336 pounds and looked as big as my fridge. I was never   1    it. But one day I had a medical examination（体检）. The   2   told me that I was having hea rt trouble. It   3   me up. I began to feel nervous. Then I decided to do something!

In a year and five months, I   4   104 pounds. What a great thing I did ! I didn’t have any expensive food, medical treatment（治疗）or camp-style（训练营式的）exercise. What was the secret to my   5  ？ 

First I looked through the Internet for do-it-yourself   6   that people could follow on losing weight. Of course I saw countless ads which try to get me to buy their products. But I bought nothing. The only thing I did was to change my bad   7   . The following are what I have done. You can try these. Stop drinking something with too much sugar in it.   8   sweet cakes. Eat green vegetables. Use only vegetable oil. Never eat after 6:30 pm. Also, do light exercise for 15 to 20 minutes five days a week. 

Then I kept doing what I should do. People sometimes say,“You don’t need to tell me   9   to do. I know it already!”But the fact is that knowing what to do and doing what you know are totally   10   . The important thing is to know what to  do and then just keep doing it.

3.A.gave            B.cheered         C.dressed      D.woke

4.A.borrowed        B.lent            C.lost         D.got

6.A.advice          B.news           C.food         D.medicine

7.A.grades          B.look            C.wish        D.habits

8.A.Accept         B.Bring           C.Refuse       D.Make

10.A.easy           B.difficult          C.similar       D.different

41.下图甲是“观察植物细胞”实验中所使用的普通光学显微镜结构示意图，目镜的放大倍数是10×，两个物镜的放大倍数分别是10×和40×。根据图回答问题（横线上填写文字、括号填写编号)（共7分) 

（1)某同学在观察装片前首先进行对光，转动转换器，使图中的物镜[]对准通光孔。然后调整光圈，并转动[]，使光线反射到镜筒内，直到看到白亮的圆形视野为止。 

（2)对光成功后，这位同学在显微镜下观察到如乙图所示的洋葱片叶表皮装片的情况。此时物像放大倍数为倍。视野中出现的⑧很可能是。若将视野中的物像⑨移到视野的中央，应将装片向移动。 

（3)若物像模糊不清，可转动图甲中的[]使物像更清晰。

    At the present time, more and more people love travelling. It's a very good    1    of getting

to know new people and cultures and acquiring（获得）experiences. It helps travellers    2    a

lot. Travel can make our minds become      3   . 

    But travel does more than all that. It can also make us more creative. In recent years, some professors have been doing research on what many people have already learned from travel experiences. They believe that spending time abroad has the   4  to affect（影响）people's mind. For example, they found that the students who lived abroad for a longer period were better at     5    problems creatively than those who did not. If you stay in the same place, you can't experience new sights, new smells, new sounds and new cultures. All these can     6     your mind and make it more active     7    ,that doesn't mean the more places you've been, the more creative you'll become. Another group of professors have been doing    8     research. They found the people who often travelled from one place to another didn't have enough   9   to immerse（使……沉浸）themselves in a new place and a new culture. They weren't as creative as the people who spent the time    10    getting to know a place. You have to interact（相互影响）with the places you go to and then you can benefit（得益）from it. 

    If you go travelling, which do you prefer, staying in a place for a certain period or rushing all the way.

  2. A. present         B. produce         C. get              D. check

  3. A. thicker          B. smoother        C. wider           D. healthier

  4. A. ability          B. possibility        C．personality      D. difficulty

  5. A. solving          B. causing         C. controlling       D. spreading

  6．A. set up          B. wake up         C. turn up          D. clean up

  7. A. Instead          B. Otherwise        C. Moreover        D. However

  8. A. secret           B. rapid            C. common         D. similar

  9. A. interest          B. money          C. time             D. quality

  10. A. nearly          B. probably         C. hardly           D. really

 43.请根据右图染色体、DNA和基因结构关系图，回答下列问题。（共6分) 

（1)染色体存在于细胞结构的中。

（2)构成染色体的主要物质是和，其中遗传物质是。 

（3)具有特定遗传信息的DNA片段叫做。 

（4)染色体（a)、DNA（b)、基因（c)三者的结构关系是。 

A.abcB.bac C.cabD. cba