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The dog has often been an unselfish friend to man. It is always grateful to its master. It helps man in many ways. Certain breed
The dog has often been an unselfish friend to man. It is always grateful to its master. It helps man in many ways. Certain breed
admin
2018-07-18
40
问题
The dog has often been an unselfish friend to man. It is always grateful to its master. It helps man in many ways. Certain breeds of dogs are used in criminal investigations. They are trained to sniff out drugs and bombs. They help police to catch criminals.
The dogs that help in criminal investigations are trained at a school called the Military Dog Studies Branch of the U. S. Air Force in Lackland, Texas. The dogs to be trained are selected by an air force team. This team visits large cities across the country to buy the dogs. They may buy dogs from private citizens for up to $ 750 each. Some citizens freely give their dogs. The dogs selected must be healthy, brave and aggressive. They must be able to fight back if they are attacked. The dogs chosen are between the ages of one and three. They are given a medical examination when they arrive at the school. Their physical examination includes X-rays and heart tests. The trainee dogs undergo the first stage of training when they arrive in Lackland. This is an 11-week course for patrol duty. After this course, the best dogs are selected to go on another 9-week course. They learn drug-sniffing or bomb-sniffing. After this course, the dogs are ready for their jobs in the cities or on air force bases.
The training given to a drug-sniffing dog is different from that given to a bomb-sniffing dog. A drug-sniffing dog is trained to scratch and dig for the drugs when he sniffs them.(73)
A bomb-sniffing dog sits down when he finds a bomb, which is the alert for hidden explosives.
Which of the following is NOT mentioned in this passage?
选项
A、The trainer team buys dogs in large cities.
B、The trainer team accepts dogs given by some citizens.
C、The trainer team raises dogs all by themselves instead of buying them.
D、The trainer team buys dogs suitable for training.
答案
C
解析
事实细节题。A和B项在第二段第三、四、五句“This team visits large cities across the country to buy the dogs.They may buy dogs from private citizens for up to $750each.Some citizens freely give their dogs.”中有体现,故正确。而C正好与A、B相反,不符合文义。而从文章第二段第六、七、八句“The dogs selected must be healthy,brave and aggressive.They must be able to fight back if they are attacked.The dogs chosen are between the ages of one and three.”可知,所有买来的狗都是经过严格筛选适合用于训练的,因此D也正确。故选C。
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英语题库普高专升本分类
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英语
普高专升本
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