摘要：A One day Bob took two of his friends into the mountains. They put up their tents and then rode off to a forest to see how the trees were growing. In the afternoon when they were about ten kilometers from their camp, it started to snow. More and more snow fell. Soon Bob could hardly see his hands before his face. He could not find the road. Bob knew there were two roads. One road went to the camp, and the other went to his house. But all was the white snow. Everything was the same. How could he take his friends back to the camp? Bob had an idea. The horses! Let the horses take them back! But what would happen if the horses took the road to his house? That would be a trip of thirty- five kilometers in such cold weather! It was getting late, They rode on and on. At last the horses stopped. Where were they? None of them could tell. Bob looked around. What was that under the tree? It was one of their tents! 51. Bob and his friends wanted the horses to take them to . A. Bob’s home B. the camp C. the forest D. the mountains 52. Their horses stopped because A.it was getting dark B.they were tired C. they knew that they had got to the camp D.they had seen John’s house 53. The story happened . A.on a cold winter day B.on a dark snowy evening C.in a cold camp far from villages D.at night when nothing could be seen 54. Bob and his two friends went to the forest to . A. watch the trees in the forest B. build their camp C.find their way home D.enjoy the mountains in the snow 55. How many kilometers were they away from the camp when it started to snow? A. 10 B.20 C30 D.35

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