Wearing the wrong type of glasses will do harm to your eyes. This is not true for adults, although
incorrect glasses may not be good for children under 10. Ready-made glasses, and not wearing when
you should, won't do harm to your eyes, but you may see better with glasses that are specially made for
you.
     Watching too much television is bad for your eyes. This is not true. People with easily affected eyes
may find they get red and aching from staring at a fixed distance for long periods, but there won't be
any lasting effects.
     Carrots will help you see in the dark. Carrots are rich in beta-carotene, which the body can change
into vitamin A, too little of which can cause night blindness. However, people in most countries don't
need to worry about vitamin A deficiency (缺乏), night blindness is more likely to be connected with
another vision problem.

1. According to the passage, which of the following is TRUE?

A. Ready-made glasses will do harm to one's eyes.
B. Wearing the wrong glasses may do harm to children's eyes.
C. The human body is unable to change beta-carotene into vitamin A.
D. Watching less television may do harm to children's eyes.

2. Night blindness is most likely caused by ______. 

A. staring for long periods 
B. too much beta-carotene 
C. not enough vitamin A 
D. vision problems 

3. According to the article, eye problems can be corrected by ______. 

A. wearing specially-made glasses 
B. performing eye exercises 
C. cutting back on television 
D. eating more carrots 

4. Watching too much television can cause ______. 

A. night blindness 
B. lasting eye problems 
C. a number of vision problems 
D. eye trouble for a limited time 

5. The main purpose of this article is to ______. 

A. tell people of the importance of their eyes 
B. tell people how to protect their eyes 
C. tell people to have more carrots 
D. tell people something more about their eyes 

     Do you remember your dreams? Do people have the same dreams? Why do we dream? There are
many questions about dreams. We dream during the REM (rapid eye movement) stage of sleep. We
have about five periods of REM sleep during the night. The first REM cycle (周期) lasts about 10
minutes. As the night goes on, the REM cycle gets longer. By early morning, the REM cycle can last
up to 90 minutes. Usually, it is in this last REM cycle that we remember our dreams.
     Dreams change as people age. People may have several dreams each night. Some are like films
and usually in colour. They come to us over and over again. That may be because the dreamer is
worrying about something and trying to find the answer. Sometimes we wake up with a good feeling
from a dream. But often we can't remember the dreams clearly.
     It is reported that too much dreaming is bad for our health. The more we sleep, the longer we dream.
The mind is hard at work. That is why we may have a long sleep and still feel tired when we wake up?

(     )1. We dream during the REM stage of sleep.                                
(     )2. Children aged eight or nine have the same dreams as people aged thirty.
(     )3. All the dreams are usually in colour like films.                      
(     )4. The longer we dream, the better we sleep.                              
(     )5. The passage above is talking about dreams.                            

     Water is the "life blood" of our earth. It is in every living thing. It is in the air. It runs through mountains
and valleys. It forms lakes and oceans. Water is everywhere.
     Nature has a great water system (水系). Rainwater finds its way to streams (溪流) and rivers. Rivers
lead to the oceans. At the mouths of the rivers, fresh water (淡水) joins the salt water of the oceans.
     Here at the mouth of a river there is much important plant and animal life. Pollution destroys (毁坏)
this life, so we have to clean our streams and rivers. Man has to work with nature-not against it.

1. According to the reading, water is like _____.

A. blood
B. rain
C. life

2. The mouth of a river is near _____.

A. the oceans
B. a stream
C. the mountains

3. There is much plant and animal life at the _____.

A. head of a river
B. mouth of a river
C. body of a stream

4. The water in streams and rivers all comes from _____.

A. rain  
B. nature
C. oceans

5. Which of the following statements is not true?

A. We can find water in our body.
B. Blood can be found in every living thing.
C. At the mouth of a river we can find many living things.

     When you feel sad, tears will come down from your eyes. When you are happy, especially when
you laugh hard, tears will also come down from your eyes. But tears have a more important job than
showing your feelings.
     Tears keep your eyes clean and healthy. They wash away dirt and germs (细菌) just like bath.
Your eyes also need tears to keep them wet. And eyes must be wet so that they can move smoothly.
Your eyes are busy looking here and there all day long. They move quickly from one thing to another.
If you didn't have tears, your eyes couldn't move, and soon you would be blind. Maybe you don't like
tears, but your eyes can't do without them.

1. The story tells us ____.

A. what makes people blind
B. why people have tears
C. why people cry when they are sad
D. what tears are

2. Tears help you by ____.

A. showing how you feel
B. making your face clean
C. washing things from your eyes
D. making your eyes bright

3. If your eyes were not wet, you could not ____.

A. look at things clearly
B. laugh and cry
C. keep clean
D. show your feelings

4. When you are happy or sad, you may ____.

A. look at things quickly
B. wash away dirt and germs
C. have tears in your eyes
D. move your eyes quickly

5. The sentence "your eyes can't do without them" means ____.

A. your eyes like having baths very much
B. your eyes like tears very much
C. your eyes can't work without tears
D. your eyes can't open without them

     About ten men in every hundred have the trouble of color blindness in some way. Women are luckier,
only about one in two hundred is affected (感染) in this matter. Perhaps, after all, it is safer to be driven
by a woman.
    There are different kinds of color blindness. For example, a man cannot see deep red. He may think
that red, orange and yellow are all shades (影子)of green. Sometimes a person can't tell the difference
between blue and green. Only a few unlucky men may see everything in shades of green-a strange world
indeed.
    Color blindness in human beings is a difficult thing to explain. In only one eye there are millions of very
small things called "cones (锥状细胞)". These help us to see in the bright light and to tell differences
between colors. There are also millions of  "rods ( 杆状细胞)", but these are used for seeing when it is
nearly dark. They show us shapes but not colors.
    Some insects have favorite colors. Mosquitoes (蚊子) like blue but do not like yellow. A red light
will not attract insects, but a blue light will. Human beings also have favorite colors. Yet we are lucky.
With the help of the cones in our eyes, we can see many beautiful colors by day, and with the help of
the rods we can see shapes at night.

1. "Color blindness" means "______" in Chinese.

A. 盲目    
B. 无色    
C. 色盲    
D. 讨厌颜色

2. Some people say it's safer to be driven by women because ______.

A. women drive more carefully
B. women are better at driving than men
C. women can see things more clearly
D. there are fewer color-blind women

3. With the help of the "cones", we can ______.

A. tell different shapes  
B. kill insects
C. see in the dark    
D. tell orange from yellow

4. We can attract and kill mosquitoes by using a ______ light.

A. red    
B. yellow    
C. blue    
D. green

5. Which of the following sentences about color blindness is TRUE?

A. None of men can see deep red.
B. Not all of men have the same problem in recognizing colors.
C. None of men can tell the difference between blue and green.
D. All of men see everything in shades of green.

     Our eating habits (习惯) are very important for good health and strong body. There are times when
most of us like eating sweets and ice cream better than meat and rice. Sweets and ice cream are not bad
for us if we eat them at the end of a meal. If we eat them before a meal, they may take away our appetite(食欲). So the doctors suggest us we should have our meal regularly.
     In old England, the judges usually asked the prisoners to eat bread without water. If they couldn't
swallow(吞)the bread, it meant that they weren't telling the truth. Though this seems strange and foolish,
they thought it was an excellent way of finding out the truth. A man who is worrying about something has
difficulties in swallowing dry bread, because he loses his appetite.

1. Good eating habits make us ________.

A. strong
B. happier
C. more beautiful

2. It is good for us to have sweets and ice cream every day ________.

A. after a meal
B. before a meal
C. when we are hungry

3. It is good for us to have our meal every day ________.

A. earlier
B. at the same time
C. at any time

4. The judges in old England thought if a man didn't tell the truth, he could ________.

A. drink milk or tea
B. eat a lot of dry bread
C. hardly (几乎不) eat dry bread

5. A person who feels ________ may not want to eat.

A. happy
B. shy
C. unhappy

     Early to bed, early to rise, makes a man healthy, wealthy and wise.
     This is an old English saying. Have you heard of it before? It means that we must go to bed early
and get up early in the morning. Then we shall be healthy. We shall also be rich (wealthy) and clever
(wise).
     This is true. The body must have enough sleep to be healthy. Children of young age should have
ten hours' sleep every night. Children who do not have enough sleep cannot do their work very well.
They will not be wise and they may not become wealthy!
     The body also needs exercise. Walking, running, jumping, swimming and playing games are all
exercise.
     Exercise keeps the body strong. Exercise also helps the blood (血液) to move around inside the
body. This is very important. Our blood takes food to all parts of our body. The head also needs blood.
Exercise helps us to think better!

1. If we get up early and go to bed early, we'll _____. 

A. have enough exercise
B. be healthy
C. think better
D. have strong blood

2. If a child doesn't have 10 hours' sleep, maybe he _____.

A. becomes wise
B. won't do well in his work
C. goes to school in time
D. has enough sleep

3. A person needs exercise because _____.

A. it makes him healthy
B. he has a lot of homework to do
C. he is strong enough
D. he does exercise

4. Exercise makes the _____ move quickly and smoothly (流畅).

A. body
B. blood
C. children
D. head

5. Which of the following is NOT TRUE?

A. Exercise does good to a person's head.
B. A student should have 10 hours' sleep.
C. It's good for you to get up early and go to bed early.
D. If you have enough blood, you'll be wise.