Lesson 75 SOS 呼救信号 Read the passage and then answer the question.阅读短文，然后回答以下问题。How did the woman get help?When a light passeng er plane flew off course some time ago, it crashed in the mountains and its pilot was killed. The only passengers, a young woman and her two baby daughters, were unhurt. It was the middle of winter. Snow lay thick on the ground. The woman knew that the nearest village was miles away. When it grew dark, she turned a suitcase into a bed and put the children inside it, covering them with all the clothes she could find. During the night, it got terribly cold. The woman kept as near as she could to the children and even tried to get into the case herself, b ut it was too small. Early next morning, she heard planes passing overhead and wondered how she could send a signal. Then she had an idea. She stamped out the letters ‘SOS’ in the snow. Fortunately, a pilot saw the signal and sent a message by radio to the nearest town. It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.New words and expressions 生词和短语thick adj. 厚的 helicopter. 直升飞机signal n.信号 scene n.现场stamp v.跺，踩 survivor n.幸存者Notes on the text 课文注释1 SOS=“Save Our Souls”，国际通用的呼救信号。2 fly off course,飞行偏离航线。3 Snow lay thick on the ground. 地上积着厚厚的雪。lay 是系动词，thick 是表 语，表示主语的状态或性质。4 she heard planes passing overhead,她听见头顶上有飞机飞过。passing overhead是现在分词短语，作宾语 planes 的补足语。5 stamp out, 踩出。其中 out 是一个副词，out 与一些动词连用时常常有“看得见”、“听得见”的意思，如 write out, tap out, ring out 等。6 It was not long before a helicopter arrived on the scene to rescue the...
