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阅读理解。     Everyone knows that exercise is important. We all need to exercise. Doctors say it is good for
us. It makes your heart and body strong. Children who often exercise are more alert (灵活的).
     There are many ways to exercise. You can walk, run, swim, skate, or play ball games.
Make sure you exercise in the following ways: you have to like what you"re doing. Exercise enough
but not too much. It"s best to exercise twice each week. Thirty minutes each time is enough. Try all
kinds of things until you find one, two or even three sports that feel right for you.
    You can exercise at fitness centers. They have a lot of equipment (设备) there. The equip-
ment will help exercise your arms, legs and other parts of your body to make you fit. Some people
buy equipment for their homes. But it is very expensive.
     Exercising can be fun. Friends can exercise together at afitness center, or they can play
sports together. How do you exercise?1. In the text, the writer tells us that we all need to_______. A. drink    
B. sleep    
C. exercise   
D. work2. Which of the following sports is NOT mentioned in the text? A. Fishing.    
B. Running.    
C. Swimming.    
D. Walking.3. Doctors say exercising makes your body_______.   A. healthy    
B. fat    
C. sick    
D. weak4. _______ is enough for exercising.A. Once a week    
B. Twice a week
C. Three times a week    
D. Once a day5. The phrase"fitness centers" in the text means "_______".     A. 商务中心    
B. 健身中心    
C. 购物中心    
D. 医疗中心
答案
1-5    CAABB
核心考点
试题【阅读理解。     Everyone knows that exercise is important. We all need to exercise. Do】;主要考察你对科普环保类等知识点的理解。[详细]
举一反三
阅读理解,根据短文内容,判断下列句子的正(T)误(F)     Hundreds of years ago, life was much harder than it is today. People didn"t have modern machines.
There was no modern medicine, either.
     Life today has brought new problems. One of the biggest is pollution. Water pollution has made our
rivers and lakes dirty. It kills our fish and pollutes our drinking water. Noise pollution makes us talk
louder and become angry more easily.
     Air pollution is the most serious kind of pollution. It"s bad to all living things in the world.  Pollutes air
from cars, planes and factories is so thick that it is like a quilt over a city. This kind of quilt is called
smog.
     Many countries are making rules to fight pollution. Factories must now clean their water before it is
thrown away, and they mustn"t blow dirty smoke into the air.
     We need to do many other things. We can put waste things in the dustbin and not throw it on the
ground. We can go to work by bus or with our friends in the same car. If there are fewer people driving,
there will be less pollution. Rules are not enough. Every person must help to fight pollution.(     )1. Long ago,life was much harder than it is today because there were no modern medicine.
(     )2. Pollution is the biggest problem in today"s life.
(     )3. The most serious kind of pollution is water pollution.
(     )4. Factories must clean their water before they use it.
(     )5. It"s a good way to stop driving in order to fight pollution.
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完形填空。
     We sometimes say the lion is "the king of the jungle" because it is stronger and    1    than the other
animals. It can run faster than    2    other animals and it canhunt the    3   . The lion is the _ 4    animalin
the land food chain. In the sea, theshark is at the top of the food chain. What is at the top of the world"s
food chain? People are! We are not the biggest of fastest, but we are the    5  . We could notfight     6   
than a lion, so we invented guns. Now we can hunt the best.
     People"s inventions are clever, but they can    7   , too. For example, many years ago in Inner
Mongolia,  people    8    guns to kill a lot of wild wolves.  Then thenumber of wild rabbits is becoming 
   9    because there is no wolf eating them. Thewild rabbits competed for the grass with the sheep and
cows. Much of the grasslandbecame desert because it was seriously    10    by the rabbits.
     Remember that we are a part of the food chain, so we are in danger, too! If we protect animals, we
are protecting ourselves.
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(     )1. A. dangerous          
(     )2. A. less              
(     )3, A. better            
(     )4. A. high              
(     )5. A. cleverest          
(     )6. A. better            
(     )7. A. dangerous          
(     )8. A. uses              
(     )9. A. smaller and smaller
(     )10. A. destroyed        
B. dangerouser      
B. least            
B. bad              
B. highest          
B. cleverer        
B. good            
B. more dangerous  
B. used            
B. bigger and bigger
B. destroyed        
C. more dangerous
C. most          
C. best          
C. tallest        
C. clever        
C. bad            
C. be dangerous  
C. using          
C. big and big    
C. destroy        
阅读短文,选择正确的答案。
     How do you remember the way to your house?Where do dreams come from? It is your brain (大脑)
that does these things. A British scientist showed that "sleep can improve one"s memory." It" s not a
dream for students to study when they sleep.
     In fact,  your brain is working day and night. If you learn words before bed, a certain part of the
brain may help you to remember the words while you sleep. What" s more, another scientist in the USA
foundthat there was a " talent button (天才按钮)" in the human brain. It might make a person more
talented.
     There are more interesting things about the brain. Your brain uses less energy than a fridge light. Just
two bananas can give the brain enough energy to work for a whole day. According to some scientists,
yawning (打哈欠) keeps our brains"cool", which makes us think quicker.
     Here are some pieces of advice to keep a good brain:
     ·Eat healthy food.
     ·Get a lot of playtime or exercise.
     ·Don"t drink or smoke.
     ·Use your brain a lot.
l. A British scientist found out that              could improve our memories.
A. drink              
B. dreams
C. sleep                
D. bananas
2. According to the passage,  if we want to have a good brain, we should             .
A. use our brains more
B. sleep fewer hours
C. work longer hours
D. remember fewer things
3. Which of the following is TRUE according to the passage?
A. Our brains only work in the daytime.
B. Our brains need much energy every day.
C. Smoking can keep our brains healthy.
D. Getting exercise is good for our brains.
阅读理解。
     Everyone knows that exercise is important. We all need to exercise. Doctors say it is good for us.  It
 makes you strong and smart.  If" you exercise every day, you can get good grades in the exam and do
  homework well.
     There are many ways to exercise. You can walk, run, swim, skate, or play ball games. But remember:
 exercise enough, but not too much. It"s best to exercise thirty minutes each time.
     Many people go to special places to exercise. People call them "health centers". They have a lot of
 equipment there. The equipment will help exercise your arms, legs and other parts of your body.
     Exercise can be fun, Friends can exercise together at a health center or play sports together.
l. Which of the following isn"t the result (结果) of exercise ?  
    A. It can make us strong and smart.
    B. It can make us do work well.
    C. It can make us get good grades.
    D. It can make us heavy. 
2. If  you want to be healthy, you can"t _____ . 
    A. walk or skate        
    B. run or swim
    C. swim or play soccer  
    D. watch TV all day
3. It"s best to exercise _____ each time.   
    A. twenty minutes    
    B. thirty minutes
    C. forty minutes      
    D. fifty minutes
4. The underlined word " equipment" means "_____ " in Chinese.
    A. 器材  
    B. 机器
    C. 武器  
    D. 武装
5. Which of the following is WRONG?
    A. Friends can exercise together.    
    B. We should exercise too much.
    C. We all need to exercise.
    D. Exercise can bring us fun.
阅读理解。
     Scientists are trying to make the deserts (沙漠) into good land again. They want to bring water to the
deserts, so people can live and grow food, They are learning a lot about the deserts. But more and more
of" the earth is becoming desert all the time. Scientists may not be able to change the desert in time.
     Why is more and more land becoming desert? Scientists think that people make deserts. People are
doing bad things to the earth.
     Some places on the earth don"t get much rain. But they still don"t become deserts. This is because
some green plants are growing there. Small green plants and grass are very important to dry places.
Plants don"t let the hot sun make the earth even drier. Plants don"t let the wind blow the dirt away. When
a little bit of rain falls, the plants hold the water. Without plants, the land can become a desert much more
easily.
根据短文内容,选择正确答案。
l. Deserts              
A. get a little rain
B. never have any plants or animals in them
C. can"t be turned into good land in the future
D. both A and C
2. Small green plants are very important to dry places because              .
A. they don"t let the sun make the earth even drier
B. they don"t let the wind blow the earth away
C. they hold the water
D. A, B and C
3. Land is becoming desert little by little because              
A. plants can"t grow there
B. there"s not enough rain
C. people are doing bad things to the earth
D. scientists know little about desert
4. Which is the main idea of the first paragraph?
A. Scientists know how to change deserts into good land.
B. Land is becoming desert faster than scientists can change it back into good land.
C. If scientists can bring water to the desert, people can live there.
D. More and more places are becoming deserts all the time.
5. After reading this paragraph, we learn that               
A. plants can keep dry land from becoming desert
B. it is good to get rid of (清除) the grass in the desert
C. all places without much rain will become deserts
D. it is better to grow crops on dry land than to grow grass