二、完形填空(共15小题，每小题1分，计15分)

阅读下面短文，掌握其大意，然后从各题所给的四个选项中选出一个最佳答案。

Do you know why different animals or pests(害虫) have their special colors? Colors in them seem to be mainly used to    16    themselves.

Some birds like eating locusts(蝗虫), but birds cannot    17   catch them. Why? It is because locusts change their   18    with the change of the colors of crops. When crops are green, locusts look    19   . But as the harvest time comes, locusts change into the same brown color    20    crops have. Some other pests whose colors are    21    plants are easily found and eaten by   22   . So they have to hide themselves for lives and appear only   23   .

If you    24   animals’ life, you’ll find the main use of colors is to protect    25   . Bears, lions and other animals    26    quietly through forests. They cannot be easily seen by hunters    27   their colors are much like the trees.

Colors are useful not only on the land, but also in the    28   . A kind of fish can    29    a kind of black liquid(液体) when they face danger. The liquid spreads over quickly, so they cannot be found by their enemies and can quickly swim away. That is    30    they can live safely though they are not strong at all. So colors are really useful to animals.

16. A. show    B. protect    C. kill    D. interest

17 A. easily            B. freely          C. safely          D. differently

18. A. sizes            B. smells          C. colors         D. shapes

19. A. yellow           B. red            C. black          D. green

20. A. so              B. as             C. like           D. with

21. A. different from     B. same as         C. similar to      D. opposite with

22. A. other            B. others          C. the others      D. another

23. A. in the morning    B. at noon         C. at night        D. in the daytime

24. A. study            B. write           C. draw         D. work

25.A. them             B. themselves      C. it            D. itself

26. A. run              B. fight           C. move         D. eat

27. A. because          B. so             C. and           D. although

28. A. forests           B. desert          C. sea           D. mountains

29. A. keep out          B. come out       C. look out       D. give out

30. A. why             B. when          C. how          D. where

三、阅读理解(共15小题，每小题2分，计30分)

阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。

A

Improve Sleep

Good health needs good sleep. Going to bed before you're tired. Not eating or reading in bed. Go to bed at the same time before midnight and get up at the same time. Your body likes routine for a good night's sleep.

Stay away from the Flu

Studies show that a cold or flu virus can live on our hands for a long time. So wash all parts of your hands often with soap and water. For more ways to prevent the spread of the flu, please call Health Line at 1800-848-1313.

Oral Health

Brush your teeth twice a day and visit the dentist at least once a year. The mouth is a mirror of disease. The oral examination is not only for the health of teeth, but the whole body. For more of it, please visit www.mydr.com.au.

Fit for Life

Studies have shown that many diseases have something to do with less or no physical activity. Try to do it for 30 minutes a day, 5 days or more a week. For more information, please call Health Line at 1800-438-2000.

31. If you want to get a good sleep, you'd better _______.

A. go to bed after you're tried   B. go to sleep at midnight

C. follow the bedtime routine   D. eat something or read in bed

32. You should vis it the dentist at least once a year because_______.

A. the oral examination is necessary B. you don't often brush your teeth

C. some diseases may be in the mirror D. you don't have a good night's sleep

33. Studies have shown that many diseases have something to do with_______.

A. having no oral examination  B. washing hands with cold water

C. sleeping too late sometimes  D. doing little physical activity

34. When you want to learn more about the flu, you can_______.

A. visit www.mydr.com.au   B. call Health Line at 1800-848-1313

C. visit the dentist in your place  D. call Health Line at 1800-438-2000

B

The weather is getting hotter. You are thirsty playing basketball or riding home from school. A cold drink may be just the thing. But be careful what you are drin king. Something that looks cool may not be good fo r your health.

There are plenty of "energy drinks" on the market. Most of them have beautiful colors and cool names. The lists on them tell you they are helpful to your health. Sounds great!

But after a careful check you may find that most energy drinks have lots of caffeine (咖啡因) in them. These drinks are especially aimed at young people, students, busy people and sports players. Makers sometimes say their drinks make you better at sports and can keep you awake. But be careful not to drink too much.

Caffeine makes your heart(心脏)beat fast. Because of this, the International Olympic Committee has limited(限制) its use. Caffeine in most energy drinks is at least as strong as that in a cup of coffee or tea. Possible health dangers have something to do with energy drinks. Just one box of energy drink can make you nervous, have difficulty sleeping an d can even cause heart problems. Scientists say that teenagers should be discouraged from taking drinks with a lot of caffeine in them.

35. The main reason for people not to drink too much energy drinks is that they may cause       .

A. heart problems                   B. nervousness

C. sleeping difficulty                 D. possible health dangers

36. The underlined word "discouraged" can be replaced(替换) with "________".

A. encouraged   B. stopped        C. helped        D. disliked

37. From the passage we can know that _________.

A. advertisements are important in getting people to buy energy drinks

B. energy drinks are helpful to teenagers' study

C. sports players need to drink a lot of energy drinks

D. energy drinks are especially aimed at teenagers