If you watch the sky about an hour after the sun goes down, you may see some "moving stars". But
they're not real stars. They are man-made satellites. And the biggest of all is the International Space Station
(ISS 国际空间站).
     From now until July is the best season to watch the ISS flying over the earth, and people can see it just
with their eyes. The ISS is the biggest man-made satellite because scientists want to live on it. They think
that the best way to learn more about space is to live there.
     When the space station is finished, it will be like a city in space. People will stay and study there with
many of the things they have at home. Laboratories, living rooms and power stations are being built. The
ISS is the most ambitious (雄心勃勃) and expensive space program ever. Billions of dollars are being spent
on it every year.
     Scientists hope that the ISS will be a stepping-stone (垫脚石) for future space exploration."The ISS will
help us better understand the human body, explore space and study the earth. It can help us make life on the
earth better," said Kathryn Clark, an ISS scientist.
     China is not an ISS country, but it has helped with some of the experiments. China sent some rice up to
the ISS to find out what space would do to it.
     The ISS is not finished yet. More than 100 parts need to be put on. Scientists hope it will be finished as
soon as possible. After it's finished, more than 90% of the world's population will be able to see the Space
Station. So keep looking up, and maybe you'll see it get bigger.

1. The ISS is _______.

A. a world power station
B. a man-made satellite
C. an outer space moving star
D. a stepping-stone to the sun

2. You can watch the International Space Station with your eyes _______.

A. an hour before sunset
B. while flying on the earth
C. in a special room
D. from now till July

3. The ISS is in fact regarded as _______ for space exploration.

A. a laboratory
B. a city
C. a living room
D. a museum

4. The passage tells us that _______.

A. China belongs to the ISS
B. to build the ISS will cost less in the future
C. China did some research on wheat through the ISS
D. the best way to learn more about space is to live on the ISS

     Parents today also worry about their children's diets. Some doctors give the following advice:
     Teenagers shouldn't eat too much junk food.
     Teenagers shouldn't eat food with too much salt. Salt can cause high blood pressure in the future.
     Teenagers should eat food with less fat, oil and sugar.
     Teenagers need to eat some fruits and vegetables every day. Fruits and vegetables are rich in vitamins
and have little fat.
     Teenagers need to drink more milk. Milk will help their bones grow.
     Teenagers need to eat breakfast every day .This is good for their bodies and minds.

1. According to the doctors' advice ,what does junk food include?

A. milk and vitamins.
B. Fruits and sugar.
C. Vegetables and salt.
D. Fat, oil, salt and sugar.

2. In this passage, doctors think that teenagers should eat more ______.

A. food with no vitamins.
B. fat and sugar
C. vegetables and fruits
D. salt and oil

3. The best title for this passage is ______.

A. Bad Habits
B. junk Food
C. unhealthy Food
D. advice on Healthy Eating

     Soon computers and other machines (机器) will be able to remember you by looking at your eyes! The
program works because everyone's eyes are different. So in the future you won't have to remember a number
when you want to use a machine or take money out of a bank. You'll just have to look at the machine and it
will be able to tell who you are.
     The eye-recognition (眼睛识别) program has already been tested in shops and banks in the USA, Britain,
Spain, Italy and Turkey. Soon this technology (技术) will take the place of all other ways of finding out who
people are.
     However, scientists are also working on other systems. Machines will soon be able to know you from the
shape of your face or hand or even your smell! We already have machines that can tell who you are from
your voice or the mark made by your finger.
     Eye-recognition is better than other kinds because your eyes don't change as you get older, and don't get
dirty like hands or fingers, and even twins have different eyes. So the eye-recognition program can be up to
94% correct, depending on how good the technology is. However, some other programs may only be 51%
correct at present. In Britain, it was found that 91% of people who had tried it said that they liked the idea of
eye-recognition.  
     In the future your computer will be looking you in the eye. So smile!

1. Where has the eye-recognition program already been tested in a few countries? In _______.

A. shops and banks
B. shops and schools
C. banks and schools
D. schools and hospitals

2. How does the eye-recognition program work?

A. You look at the machine and type a number.
B. You need to speak and then look.
C. The machine looks at your face.
D. You look at the machine.

3. We already have machines that can tell who you are from _______.

A. your eyes or your smell
B. your voice or the mark made by your finger
C. your face or your voice
D. your face or your hand

4. Which of the following doesn't belong to the advantages of the eye-recognition program?

A. Your eyes don't change as you get older.
B. Eyes don't get dirty like hands or fingers.
C. Everyone's eyes are different, even twins have different eyes.
D. We can't see anything without eyes.

5. What problem could there be with the eye-recognition program?

A. Some eyes are the same.
B. Eyes can change.
C. It is not always correct.
D. Eyes can get dirty like hands.

     Have you ever wondered why birds sing? Maybe you thought that they were just happy. After all,
you probably also sing or whistle when you are happy.
     Some scientists believe that birds do sing some of the time just because they are happy. However, they
sing most of the time for a very different reason. Their singing is actually a warning to other birds to stay
out of their territory.
     Do you know what a "territory" is? A territory is an area that an animal, usually the male, claims (宣称)
as its own. Only he and his family are welcome there. No other families of the same species (物种) are
welcome. Your yard and house are your territory where only your family and friends are welcome. (1)
If a stranger should enter your territory and want to hurt you, you might shout.  Probably this would be
enough to frighten him away. 
     If so, you have actually frightened the stranger away without having to fight him. (2)一只鸟也将会
做同样的事. But he expects an outsider almost any time, especially at nesting (筑巢) season. So he is
screaming (尖叫) all the time, whether he can see an outsider or not. This screaming is what we call a bird's
song, and it is usually enough to keep an outsider away.
     Birds sing loudest in spring when they are trying to attract a mate (同伴) and warn others not to enter
the territory of theirs.
     You can see that birds have a language of their own. Most of it has to do with attracting mates and
setting up territories.

1. 从文中找出一个与establish 同义的短语。
    _______________
2. 根据 (1) 处画线部分的意思来完成下面句子。（每空一词，共2词）
    You might frighten a stranger away by _______________ _______________ him if he should enter
your territory and want to hurt you.
3. 根据文章，选择最佳选项：
 What is a bird's "territory"?
A. A place where other families of the same species are welcome.
B. A place where a bird can sing loudly.
C. An area where birds often fight against each other.
D. An area which a bird considers to be its own.

4. 将（2）处画线句子翻译成英语。
    _______________ _______________.

5. 用一句话概括本文的中心大意（不超过10个单词）。 
    _______________

     Chocolate lovers know that eating chocolate can give them a feeling of happiness. Now it is known too
that eating chocolate may also make people cleverer.
     Dr. Bryan Raudenbush recently made a study to see if eating chocolate can make people cleverer. The
U. S. scientist knew that chocolate had several stimulants (兴奋剂). But he was not sure how these stimulants
did their job and thus made people clever.
     To find out, Dr. Raudenbush gave the first group of people 85g of milk chocolate to eat and the second
group ate no chocolate at all. After 15 minutes, he tested their memory, and he also tried to see if they were
able to deal with problems right.
     The first group had higher scores. They were able to remember more words and pictures than the second
group, and they could solve (解决) problems much faster. Dr. Raudenbush then decided that the stimulants
in chocolate could make people do things faster and better. And he suggested that if people wanted to do a
better job, eating chocolate from time to time may be of help.
     Of course eating chocolate can't make sure that you can study well without hard work. You'll still need
to study hard to get good results.

1. Many people like eating chocolate because it can make them _____.

A. pleased
B. excited
C. funny
D. crazy

2. Dr. Raudenbush asked some people to eat milk chocolate because _____.

A. he knew that they liked chocolate very much
B. he wasn't sure how many people wanted to eat chocolate
C. he knew it was a kind of good food
D. he wanted to know if the stimulants could help people do things better

3. The result of the experiment showed that _____.

A. the second group did things better than the first group
B. the first group did things as well as the second group
C. both groups didn't do things well
D. the first group did things better than the second group

4. The experiment showed that eating chocolate could make people _____.

A. grow stronger
B. become cleverer
C. grow faster
D. become healthier

5. According to the passage, if you want to get good marks, you _____.

A. should eat lots of chocolate
B. mustn't eat any chocolate
C. still need to study hard
D. can just eat chocolate without study

     The two-way radio is very 1______ (use) to people who live on those great Australian farms. It 2______
(work) much like a telephone. A person can listen 3______ someone else talk and then give an answer. For
example, people on the large farms can talk to a doctor far 4______. They can tell the doctor about someone
who is ill, and the doctor can let them know how to 5______ after the sick person.

     Colors can be seen everywhere. We see them in the sky and in the sea. There are colors in rocks and
in all plants and animals. Everything we see has colors. We see the colorful world. How can we see colors?
We see colors when light hits our eyes. Dogs and many other animals can't see colors. But bees can. This
helps them find flowers to fly to.
     We sometimes use the means of colors to express our feelings. People may say that they see red when
they are angry. Or you may say you feel blue. This means you are sad. We also use colors to tell us things.
Red is the color of stopping signs. Green means that you can go.
     Animals come in all kinds of colors. Many of these are very pretty. An animal's color may say "Here I
am." or "Watch out". Or it may help the animal to hide. Some animals can make their colors similar to their
surroundings (周围的事物). Then they can't be seen easily.
     Some people can't tell one color from another. They can see yellow and blue. But they can't tell red from
green. We say these people are color blind.

1. We can see colors _____.

A. in the sky
B. in the sea and rocks
C. in all plants and animals
D. A, B and C

2. If your friend is sad, he may say "_____".

A. I see red
B. Watch out
C. I feel blue
D. I feel yellow

3. According to the passage, why sometimes some animals can't be seen easily?

A. Because they have special colors.
B. Because they make their colors different from other animals.
C. Because they have bright colors.
D. Because they make their colors look like things around them.

4. The person who _____ is color blind.

A. can see yellow and blue
B. can't tell red from green
C. can't see yellow and blue
D. can tell red from green

5. What's the best title of the passage?

A. Colors
B. Color Blind
C. We See Colors
D. Animals and Colors

                                                 WHY IS THE SUN IMPORTANT? 　　
     The sun is a huge, hot, bright star. It is important because without it there would be no life on Earth. The
sun gives us light and heat.
     All living things need light and heat from the sun to live. Plants need light and heat to grow. They use the
light from the sun to make food. We cannot make our own food, but plants can. All the food we eat comes
from plants in a food chain (链) which starts with the sun. For example, 
                               
     Animals need sunlight, too. Just like us, their food comes from a food chain which begins with the sun
and the plants. 　　
     sun→ leaf→ caterpillar (毛虫)→bird 　　
     sun→ seaweed (海藻)→small fish→ whale (鲸) 　　
     Sunlight means we can see during the day. If there was no sun, it would be dark all the time. Even when
the sky is cloudy, the sunlight is very strong and it shines through the clouds.

1. Which words tell us what the sun is like? 　　

A. Huge. (大的)
B. Hot.
C. Bright.
D. All above. 　　

2. What are the two main things the sun gives us? 　　

A. Light and heat.
B. Heat and eggs.　　
C. Corn and light.
D. Wheat and bread. 　　

3. Why can we still see during the day when the sky is cloudy? 　　

A. Because we can see all day and all night. 　　
B. Because the sun can't give us light all day long. 　　
C. Because the sunlight can shine through the clouds. 　　
D. Because we can't see at night. 　　

4. All the food we eat comes from _____. And it starts with the _____. 　　

A. plants; earth
B. a food chain; sun 　　
C. food; sun
D. plants; star 　　

5. In what way do you think the sun cannot be harmful (有害的)? 　　

A. The sun can do harm to your eyes and skin. 　　
B. It can make rivers too dry. 　　
C. Without it there would be no life on Earth. 　　
D. Hot sun on dry land can cause fires.

    As we all know, the Moon is the moon (卫星) of Earth, and it goes around the earth. Scientists have already
known a lot about it, (A) but they've always wanted to know more about it. And they decided to send men to
the Moon. They think it's the best way to learn more about the moon.
    But how do the astronauts (宇航员) get to the moon? The moon is about 384,000 kilometres away from the
earth. They can't take a plane to the Moon. But something can fly even when there is no air. That is a manned
spacecraft (载人宇宙飞船). Several astronauts have been to the Moon in the manned spacecraft.

1. "it" in sentence A refers to (指得是) _____.

A. the planets
B. the Moon
C. the sky
D. the star