閱讀下面短文，從短文后所給各題的四個(gè)選項(xiàng)（A,B,C和D）中，選出可以填人空白處的最佳選項(xiàng)，并在答題卡上將該項(xiàng)涂黑。
You’ve probably seen blind people walking with their trusted and gentle four-legged guides-or “seeing-eye” dogs. The ________ trained dogs serve as eyes for people who can’t see, making it ________ for them to lead independent lives. ________ what you probably didn’t know is that about 80 years ago, a doctor and his patient discovered this entirely ________!
Many people were killed or injured during World WarⅠ. Near the end of that war, Dr. Gerhard Stalling and his ________ walked with a patient—a German soldier who had been ________-around hospital grounds in Germany.
While they were walking, the doctor was ________ away. The dog and the soldier stayed outside. A few moments later, when the doctor returned, the dog and the soldier were ________! Searching the paths worriedly, Dr. Stalling made an astonishing ________. His pet had led the soldier ________ around the hospital grounds. And together the two ________ peacefully back toward the doctor.
________ by what his dog could do, Dr Stalling set up the first ________ in the world to train dogs as guides. Dorothy Eustis, an American woman ________ as a dog trainer for the International Red Cross in Switzerland, was ________ to study the way Stalling trained dogs and spent several months in his school. She came away so impressed that she wrote a(an) ________ about it for the Saturday Evening Post in America.
A blind American man, Morris Frank, ________ the article and he wrote to Dorothy Eustis and asked that she ________ a dog for him. Dorothy Eustis took up the ________, and trained a dog, Buddy. She brought Frank over to Switzerland to join her in the training ________. Frank went back to the United States with what many believe to be America’s first guide dog in 1928.
1.A. speciallyB. regularlyC. naturallyD. generally
2.A. possibleB. complexC. necessaryD. proper
3.A. SoB. ButC. AndD. Or
4.A. in timeB. by accidentC. by forceD. in turn
5.A. horseB. assistantC. nurseD. dog
6.A. abandonedB. admiredC. blindedD. protected
7.A. givenB. keptC. calledD. sent
8.A. goneB. lostC. asleepD. alone
9.A. fortuneB. mistakeC. discoveryD. decision
10.A. unwillinglyB. safelyC. immediatelyD. gratefully
11.A. ranB. droveC. flewD. walked
12.A. InspiredB. AmusedC. PuzzledD. Required
13.A. hospitalB. schoolC. factoryD. hotel
14.A. workingB. growingC. dressingD. coming
15.A. nervousB. carefulC. tiredD. curious
16.A. letterB. bookC. articleD. introduction
17.A. laughed atB. learned fromC. paid forD. heard about
18.A. feedB. buyC. raiseD. train
19.A. advantageB. offerC. challengeD. invitation
20.A. situationB. processC. competitionD. preparation
