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约3190字。

　　单元检测
　　一、单项选择（共15小题；共15分）
　　1. --- Listen! There is a whisper from                  box over there. Is it                  dog?
　　--- I'm not sure. Go and see.
　　A. a; a B. the; an C. an; the D. the; a
　　2. --- Who lives together with this old woman?
　　---                 . She lives alone. Li Jing and I come to see her every Saturday.
　　A. Nobody B. Somebody C. Anybody D. Everybody
　　3. Nobody likes                  children. We should learn to be friendly to others.
　　A. gentle B. rude C. quiet D. polite
　　4. Why not buy a fish? You can                  it swim around.
　　A. look B. listen C. see D. watch
　　5. Li Yan is a helpful girl. She always                   my little sister while I'm away.
　　A. looks for B. takes after C. looks after D. runs after
　　6. --- I don't like dogs. Dogs sometimes bite.
　　--- But my dog is good. He never barks                  bites.
　　A. and B. but C. or D. so
　　7. Eddie has                  to do, and he sleeps all day long.
　　A. everything B. something C. anything D. nothing
　　8. Superman can burn things with his eyes.                  special his eyes are!
　　A. What B. What a C. How D. How a
　　9. --- It's reported that Chinese                  more than 40 minutes every day reading WeChat(微信).
　　--- It's true. But I think WeChat is taking too much of our time.
　　A. spend B. cost C. pay D. take
　　10. CoCo Lee was born in Hong t                  in America.
　　A. picp B. gave up C. grew up D. dressed up
　　11. I will love my parents                  the end.
　　A. after B. before C. when D. till
　　12. --- Your trainers                  colourful.
　　--- Yes. And they are popular among young people.
　　A. feel B. smell C. taste D. look
　　13. When you are swimming,                  your ears. You can use earplugs(耳塞) to stop water getting into your ears.
　　A. take after B. take part in C. take off D. take care of
　　14. If you want to search for some information on what to feed to your pet dog, "                " are the best keywords.
　　A. dog food B. dog care
　　C. dog doctor D. games with dogs
　　15. --- Should I                 ?
　　--- I am afraid it's not a good idea.
　　A. brush my cat's fur every day
　　B. take my dog for a walk every day
　　C. feed my rabbit some fresh carrots
　　D. pick up my goldfish with my hands
　　二、完形填空（共10小题；共15分）
　　There was a tiger in the forest. All the other animals there were afraid of him. They     16     away as quickly as possible when they saw him. So he had no friends and he always felt     17    . Once he caught a wolf and a fox, but he was     18     that day and didn't want to eat them. So he decided to make friends with them. The two animals were happy and agreed with him at once.
　　It was a     19     day. The forest was covered with thick snow. It was     20     for the three animals to find food. They were all hungry. When the     21     went down in the west, they went to a village and carried a sheep, a dog and a duck away.
　　"How shall we divide the animals among us, Mr. Wolf?" asked the tiger.
　　"The sheep is the     22     and heaviest of the three," said the wolf, "Of course it'll belong to you. Mr. Fox is the     23     of us, he can eat the duck and I'll eat the dog." It made the tiger angry and he killed the wolf at once. Then he went on asking, "How shall we divide them     24     us, Mr. Fox?"
　　"That's easy, Mr. Tiger," answered the fox. "You'll eat the duck for breakfast, eat the dog for lunch and eat the sheep for supper."
　　"How     25     you are! Who taught it to you?"
　　Looking at the dead wolf, the fox said sadly, "You, Mr. Tiger!"
　　16. A. flew B. walked C. ran D. jumped
　　17. A. lonely B. sad C. strange D. happy
　　18. A. pleased B. sorry C. hungry D. full
　　19. A. spring B. summer C. autumn D. winter
　　20. A. lucky B. easy C. difficult D. possible
　　21. A. sun B. earth C. moon D. star
　　22. A. fatter B. fattest C. thinner D. thinnest
　　23. A. bigger B. biggest C. smaller D. smallest
　　24. A. during B. in C. between D. about
　　25. A. able B. bad C. kind D. clever
　　三、阅读理解（共15小题；共30分）
　　A
　　If you are in a town in a western, country, you'll often see people walking with their dogs. It is still true that a dog is one of the most useful animals in the world, but the reason that one keeps a dog has changed. Long, long ago, a man met a dog and wanted it to help him fight other animals, and he found that the dog listened to him and did what he told it to. Later people used dogs for hunting(打猎) of other animals, and the dog didn't eat what they got until their master(主人) agreed. So dogs were used for driving sheep and guarding chickens.
　　But now people in the towns and cities do not need dogs to fight other animals. They keep them to frighten thieves, but the most important reason is that people feel lonely in the city. For a child, a dog is the best friend when he has no friends to play with. For a young wife, a dog is her child when she doesn't have her own. For old people, a dog is also a child when their real children have grown up and left. Now people do not have to use a dog, but they keep it as a friend, just like a member of the family.
　　26. In western countries some people still think                  are more useful than a dog.
　　A. many animals B. a few animals
　　C. some animals D. no other animals
　　27. In the past people kept dogs because dogs                 .
　　A. didn't eat other animals B. helped and listened to people
　　C. met the people D. frightened thieves
　　28. Now people in cities keep dogs because dogs                 .