Dogs are friends of man. They work for us. They hunt with us. They also play with us. But a long time ago,all over the world,dogs were wild. Dogs can go back to the Stone Age. All dogs had the same ancestor (祖先) . It is believed that this ancestor was much like a wolf. Other animals,like fox,also came from this ancestor. Thousands of years ago,man began to tame (使驯月艮) the wild dogs. When the dogs were tamed,they were trained (训练) well. The strong dogs then became working animals. They were trained to pull heavy loads (担子) . They learned to keep watching over sheep and other animals. Working dogs could do other things,too. Some dogs were not strong. But they could help man hunt. Other dogs were best as pets. At first,there were only a few kinds of dogs. Today,there are more than 100 kinds.


() 1. The word“wild”in the first paragraph means .

   A. 温顺的   B. 野生的   C. 凶残的   D. 善良的

() 2. “Dogs can go back to the Stone Age”. Here“go back”means.

   A. 追溯到   B. 回来   C. 违背 b.返回去

() 3. From this passage,we know that .

   A. all the animals have the same ancestor

   B. all dogs are as wild as they were many years ago

   C. man has helped change animals

   D. animals never change

() 4. What jobs can dogs do?

   A. Keep watching over sheep. B. Hunt with man.

   C. Pull heavy loads. D. All the above.

() 5. The main idea of the whole story is that .

   A. man and dogs have the same ancestor

   B. all animals are too wild to be man’s friends

   C. dogs and man have been friends for a long time

   D. people like to keep foxes as pets because they are tamer

   Mr Zhang and Mrs Zhang moved to a new house in April. Mrs Zhang says,very hot in summer. What about buying an airconditioner (空调) ?”

   So they go to a shop and 1 a nice one. It costs 3 ,999 yuan. They are very happy with it. Mrs Zhang wants to buy it at once. But Mr Zhang says ,“No. The airconditioner will be 2 on May Day. We should buy it on that day.”

   On May Day,they go to the shop again. The air-con-ditioner costs 3,799 yuan. Mrs Zhang is very happy and says ,“Yes,you’re 3 . Now we can save (节省) 200 ywan. Shall we buy it today?”

   Mr Zhang says ,“No,let’s wait a 4 again. I'm sure we can save another 200 yuan. ”

   Thirty days go by quickly and soon it’s 5 . It becomes hotter and hotter. They go to the shop the 6 time. They are very surprised this time,because the airconditioner is 3 ,999 yuan again. They ask the salesgirl, “ 7 is the airconditioner more expensive?”

   The salesgirl answers ,“Because it’s too hot this year. And there are so many people coming 8 airconditioners,if you buy it now,you can only use it one month later. Our workers are so 9 that they don't have time to fix it. ”

   How will Mr Zhang and his wife 10 the summer?


() 1. A. get   B. buy   C. find   D. collect

() 2. A. more   B. cheaper   C. nicer   D. cleaner

() 3. A. careful   B. interesting   C. helpful   D. right

() 4. A. day   B. week   C. month   D. year

() 5. A. May   B. June   C. July   D. August

() 6. A. second   B. third   C. fourth   D. fifth

() 7. A. When   B. How   C. Where   D. Why

() 8. A. to   B. with   C. for   D. on

() 9. A. busy   B. free   C. late   D. sorry

() 10. A. live   B. have   C. like   D. spend

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