People in Canada have many reasons to like animals. One of them might be: Their family ties are not as close as ours. When children grow up, they leave their parents and start their own life. Then the old will feel lonely. But pets can solve this problem. They can be good friends and never leave them alone.

　　49. The passage mainly talks about ＿＿＿＿＿＿＿＿ .

　　     A. how to keep disease from pets

　　     B. pets in Canada

　　     C. how to take good care of pets

　　     D. life of the old in Canada

　　50. In Canada, children leave their parents when they grow up because ＿＿＿＿＿ .

　　     A. they don’ t love their parents any more

　　     B. they can only find jobs far from their parents

　　     C. their parents’  houses are too small

　　  D. they wouldn’ t depend on their parents any more

　　51. Which of the following is TRUE？

　　     A. People buy animal food only at the animal food stores.

　　     B. Pets eat better than people.

　　     C. Almost every family has a birdcage in his house.

　　     D. Any bird can come to the bird feeders to eat.

　　1-5 C B D B C 6-10 A A A B C 11-15 D B D C C 16-20 D D B A A

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