[originaltext] A guide dog is a dog especially trained to guide a blind pers

游客2024-02-15  15

问题  
A guide dog is a dog especially trained to guide a blind person. Dogs chosen for such training must show good intelligence, physical fitness, and responsibility.
    At the age of about fourteen months, a guide dog begins an intensive course that lasts from three to five months. It becomes accustomed to the leather harness and stiff leather handle it will wear when guiding its blind owner. The dog learns to watch traffic and to cross streets safely. It also learns to obey its owner’s commands.
    The most important part of the training course is a four-week program in which the guide dog and its future owner learn to work together. However, many blind people are unsuited by personality to work dogs. Only about a tenth of the blind find a guide dog useful.

选项 A、Watch traffic.
B、Obey commands.
C、Cross streets safely.
D、Guard the doer.

答案 D

解析 Which of the following skills guide dogs have to learn is not mentioned?
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