9、2006年安徽省课程改革实验区B 时间________ 正确率________

Many people like to keep dogs as their pets. But do you know dogs were wild（野生的）animals long, long ago?

The 46 wild dogs were trained by 47 in Europe about 10,000 years ago. These first “dogs” were not like 48 we have now. They may have been small wolves. These dogs often came near humans to 49 some food. Some of the young dogs were adopted（收养）by people and grew up with them.

Humans believed the 50 were a help to them in many ways. The dogs helped them to hunt（狩猎）. They could smell and hear danger 51 people could. They helped keep people 52 on cold nights. So is was 53 to raise the dogs.

Now, there are many different kinds of dogs 54 they may look quite different from each other. Dog trainers think there are more that 400 different kinds in the world. The number keeps increasing with new kinds.

Since those early days, humans and dogs have always been together. We should 55 them from now on because they are really our friends.

46.A.first B.late C.last D.whole

47.A.wolves B.cats C.humans D.students

48.A.where B.what C.when D.which

49.A.steal B.waste C.make D.serve

50.A.steal B.foxes C.wolves D.dogs

51.A.when B.after C.before D.as soon as

52.A.cool B.warm C.bot D.cold

53.A.hard B.useless C.easy D.useful

54.A.so B.and C.but D.although

55.A.hurt B.kill C.protect D.sce
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