We had known for along time that flowers of different plants open and close at different time of day. Yet no one really understands why flowers open and close like this at special time. The question is not as simple as we might think, as recent experiments have shown. In one experiment, flowers were kept in constant (持续的）darkness. We might expect that the flowers ,without any information about the time of the day, did not open as they usually do. In fact, they continue to open at their usual time. This shows that they have some special ways of knowing the time. Their sense(感觉) time does not depend on information from the outside world. It is inside them: a kind of "inner (内部的）clock". This discovery may not seem to be very important. However, it is later found that not just plants but animals have this "inner clock" which control（控制）the working of their bodies and influences their activities. Human beings, then, are also influenced by it. Whether we wish or not, itaffectssuch things in our life as our need for sleep or need for food.
【小题1】Before the experiment arrived at a conclusion, people had thought that the flowers would____.

There are many colors in nature. But do you know if a color has weight? I think you’ll say “no”. But I am afraid you are wrong. If you don’t believe, you may do a small experiment.
First, put two objects（物体） with the same weight into two boxes. Then cover the box. Third, wrap(裹) one box with a red piece of paper, the other with a white piece of paper. OK. Now hold the boxes with your hand one by one. It is certain that you will think the red one is a little heavier.
Why do you think so? A scientist found that different colors have different weights in a man’s mind. So he did many tests and at last he got the result. That is to say, every color has its own weight in our mind and their order is the same. The heaviest color is red, then blue, green, yellow and white.
The scientist told us that colors also have smell. Can you smell the color? Of course not. Then why did the scientist say so? That is because every color stands for (代表)a kind of light with a certain wavelength(波长). It reaches our brain through sense organs(感觉器官).
According to this discovery, scientists say that people accept the colors they like, and refuse the colors they hate. So your body and mind will be healthy by using the colors you like. Or you’ll be nervous or ill. For example, if you stay in a room with red windows, wallpapers and furniture for two hours, you’ll feel you have been there for four hours. But if the room is blue, you’ll feel you have been there for only an hour. Another example, if a person walks out of a red room and into a blue room, his temperature will fall. That means our body temperature will change with different colors.
【小题1】The idea of the second paragraph is to tell us ________.

第三部分 阅读（共两节，满分40分）

第一节 阅读理解（共15小题；每小题2分，满分30分）

阅读下列短文，从每题所给的A、B、C和D项中，选出最佳答案。

We’ve talked about snails (蜗牛) and their slow move. But much of the time snails don’t move at all. They are in their shells (壳) —sleeping.

Hot sun will dry out a snail’s body. So at the least sign of hot sun, a snail draws its body into his shell. A snail will die in a heavy rain. So when it rains, a snail does the same thing, too. A snail can sleep for as long as it needs to. It spends all  the winter months in its shell, asleep.

In the spring the snail wakes up. Its body, about three inches long, comes out from the shell. When hungry, the snail  looks for food. Its eyes, at the end of the top feelers (触角), are very weak. But its sense (感觉) of smell is very strong. It helps the snail to find food and the new greens.

A snail’s mouth is no bigger than the point of a pin (大头针). Yet it has 256,000 teeth! The teeth are very small, and you can’t see them. If you put a snail in a hard paper box, it will eat its way out! And if a snail wears out its teeth, it will grow new ones.

51. A snail _________.

A. moves more slowly at night        B. has thousands of  feet

C. doesn’t move at all                     D. sleeps much of the time

52. In the sentence “A snail draws its body into its shell”,  the word “draw” means _____.

A. to make with a pencil    B. to push      C. to pul     D. to move away

53. From the story, we know _________.

A. a snail’s shell is very thin               B. a snail can’t see well

C. a snail’s nose is quite short             D. a snail’s body changes                                     in different seasons

54. A snail goes to sleep when _____.

A. it feels hungry      B. it is put into a paper box  C. spring is coming   D. it rains heavily

55. Which of the following is wrong?

A. In winter the snail doesn’t eat or move. 

B. A snail doesn’t like living under the sun.

C. The snail’s teeth can’t be worn out.      

D. The snail’s nose helps to find food.

There are many colors in nature. But do you know if a color has weight? I think you’ll say “no”. But I am afraid you are wrong. If you don’t believe, you may do a small experiment.

First, put two objects（物体） with the same weight into two boxes. Then cover the box. Third, wrap(裹) one box with a red piece of paper, the other with a white piece of paper. OK. Now hold the boxes with your hand one by one. It is certain that you will think the red one is a little heavier.

Why do you think so? A scientist found that different colors have different weights in a man’s mind. So he did many tests and at last he got the result. That is to say, every color has its own weight in our mind and their order is the same. The heaviest color is red, then blue, green, yellow and white.

The scientist told us that colors also have smell. Can you smell the color? Of course not. Then why did the scientist say so? That is because every color stands for (代表)a kind of light with a certain wavelength(波长). It reaches our brain through sense organs(感觉器官).

According to this discovery, scientists say that people accept the colors they like, and refuse the colors they hate. So your body and mind will be healthy by using the colors you like. Or you’ll be nervous or ill. For example, if you stay in a room with red windows, wallpapers and furniture for two hours, you’ll feel you have been there for four hours. But if the room is blue, you’ll feel you have been there for only an hour. Another example, if a person walks out of a red room and into a blue room, his temperature will fall. That means our body temperature will change with different colors.

1.The idea of the second paragraph is to tell us ________.

2.Why did the scientist say colors have smell?

3.If a person walks from a blue room to a red room, his body temperature will__________.

4.It can be known from the text that________.

5.This passage is probably a __________.

We had known for along time that flowers of different plants open and close at different time of day. Yet no one really understands why flowers open and close like this at special time. The question is not as simple as we might think, as recent experiments have shown. In one experiment, flowers were kept in constant (持续的）darkness. We might expect that the flowers ,without any information about the time of the day, did not open as they usually do. In fact, they continue to open at their usual time. This shows that they have some special ways of knowing the time. Their sense(感觉) time does not depend on information from the outside world. It is inside them: a kind of "inner (内部的）clock". This discovery may not seem to be very important. However, it is later found that not just plants but animals have this "inner clock" which control（控制）the working of their bodies and influences their activities. Human beings, then, are also influenced by it. Whether we wish or not, itaffectssuch things in our life as our need for sleep or need for food.

1. 1.

   Before the experiment arrived at a conclusion, people had thought that the flowers would____.

   1. A.
      never open in constant darkness
   2. B.
      change their usual time to open
   3. C.
      open ahead of the time as they usually did
   4. D.
      continue to open at usual time
2. 2.

   The sense of time that flowers have is connected with_____________.

   1. A.
      its age and size
   2. B.
      light and temperature
   3. C.
      a kind of strange power(力量）inside them
   4. D.
      some unknown information from the outside world
3. 3.

   What will happen if we make good use of the "inner clock"

   1. A.
      We'll need less sleep or food.
   2. B.
      We'll be able to sleep as long as we wish to.
   3. C.
      We'll be able to change our work time when necessary.
   4. D.
      We'll have more energy to do our work better.
4. 4.

   What's the Chinese meaning of the underlined word" affects"

   1. A.
      产生
   2. B.
      影响
   3. C.
      给予
   4. D.
      依赖