题目内容
阅读下面的短文，掌握其大意，然后从下列各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题纸上将该项涂黑。
Animals perform many useful and amusing jobs. Dogs are particularly valuable in guiding the blind, 31 property(财产), finding 32 people, and hunting criminals(犯人). Horses are used in guarding herds(牧群)，carrying men in lands where there are no roads, and helping farmers work their land. Pigeons(鸽子) 33 to carry messages. Wild animals from the jungles, forests and seas are very popular performers in 34 and motion pictures(电影). People realize that, 35 animals may not have the same intelligence(智慧) as 36 , they are clever enough to learn certain things.
The first thing a dog is taught is to 37 . It should not 38 too 1ong for him to learn commands. Simple orders, such as “sit, lie down，stay there, come here, ” can 39 be taught by a child.
Training a dog to be a watchdog often produces unexpected results. Some dogs quickly learn the difference 40 unwanted people and friends. This is 41 their masters welcome friends and invite them into their houses. However, some dogs will always 42 the postman who comes to 43 letters. One explanation for this behavior is that, although the postman comes to the house often, he never 44 the house. Therefore, the dog thinks the postman is someone 45 is not wanted, but keeps 46 back anyway.
Dogs are extremely useful as 47 for blind people. When a dog has been properly trained, he will lead his blind master in the right direction and keep him 48 danger. For example, seeing eye dogs 49 a busy road when cars are coming, 50 their masters command(命令) them to do so.
Animals perform many useful and amusing jobs. Dogs are particularly valuable in guiding the blind, 31 property(财产), finding 32 people, and hunting criminals(犯人). Horses are used in guarding herds(牧群)，carrying men in lands where there are no roads, and helping farmers work their land. Pigeons(鸽子) 33 to carry messages. Wild animals from the jungles, forests and seas are very popular performers in 34 and motion pictures(电影). People realize that, 35 animals may not have the same intelligence(智慧) as 36 , they are clever enough to learn certain things.
The first thing a dog is taught is to 37 . It should not 38 too 1ong for him to learn commands. Simple orders, such as “sit, lie down，stay there, come here, ” can 39 be taught by a child.
Training a dog to be a watchdog often produces unexpected results. Some dogs quickly learn the difference 40 unwanted people and friends. This is 41 their masters welcome friends and invite them into their houses. However, some dogs will always 42 the postman who comes to 43 letters. One explanation for this behavior is that, although the postman comes to the house often, he never 44 the house. Therefore, the dog thinks the postman is someone 45 is not wanted, but keeps 46 back anyway.
Dogs are extremely useful as 47 for blind people. When a dog has been properly trained, he will lead his blind master in the right direction and keep him 48 danger. For example, seeing eye dogs 49 a busy road when cars are coming, 50 their masters command(命令) them to do so.
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小题1:D小题1:A小题1:B小题1:D小题1:A
小题1:C小题1:A小题1:B小题1:D小题1:B
小题1:D小题1:C小题1:A小题1:A小题1:B
小题1:D小题1:B小题1:C小题1:D小题1:C
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