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Most dogs have an easy life in the U. S. They eat, play, get attention from their   _________and sleep. But some dogs work hard. They are called guide dogs. Guide dogs help__________people move from place to place safely.

Guide dogs and their owners are a__________. Guide dogs don’t lead the owners, and their owners don’t__________control the guide dogs. They work together. The guide dogs don’t know where the owners want to go, so they__________the owners’ instructions. The owners can’t see the obstacles (障碍物) along the way, so the dogs make decisions for the__________of the owners. Guide dogs stop at all crossroads before__________a street. They don’t see color, so they don’t know if the light is red or  __________The owners decide if it is time to cross the street by listening to the sound of   __________. The dogs help the owners get on a bus or train. They learn to__________many tasks.

Most guide dogs are very__________and friendly. A guide dog needs to work   __________distraction(分心) in noisy places, bad weather, crowds of people, and__________situations. When you see a guide dog, it is important that you__________that the dog needs to focus on (集中于)its job. Don’t pet or talk to the dog.__________is very difficult, and it requires a dog’s full___________Guide dog training lasts about five months. Only about 72 percent of dogs that enter the training program “graduate”. Those that graduate bring their owners valuable__________and love. In other dog training programs, trainers use__________as a reward. In guide dog training, the trainers don’t use food. They use physical affection (爱抚). This is__________a guide dog sometimes takes the owner to a restaurant. It must lie__________at the owner’s feet without wanting to eat.

1.A. friends   B. parents   C. owners   D. neighbors

2.A. normal   B. blind   C. elderly   D. deaf

3.A. family   B. couple   C. class   D. team

4.A. obviously   B. completely   C. exactly   D. immediately

5.A. follow   B. read   C. understand   D. repeat

6.A. preference   B. health   C. safety   D. judgment

7.A. crossing   B. observing   C. mapping   D. leaving

8.A. dark   B. green   C. bright   D. yellow

9.A. traffic   B. dogs   C. music   D. steps

10.A. give up   B. take off   C. look for   D. carry out

11.A. small   B. clever   C. noisy   D. attractive

12.A. beyond   B. against   C. over   D. without

13.A. pleasant   B. simple   C. difficult   D. serious

14.A. ignore   B. feel   C. touch   D. recognize

15.A. Thinking   B. Deciding   C. moving   D. Guiding

16.A. attention   B. time   C. service   D. memory

17.A. advice   B. experience   C. support   D. help

18.A. water   B. money   C. food   D. toys

19.A. when   B. why   C. because   D. how

20.A. quickly   B. patiently   C. carefully   D. gently

高一英语完形填空困难题

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