听短文，选择正确答案。短文读两遍。 1. Today in class the teacher will tell the students ____. A. something about Mount Tai B. something about the Great Wall C. something about the Summer Palace 2. The Great Wall is about ____ high. A. 4-5 meters B. 11-12 meters C. 6-7 meters 3. It took millions of men ____ to build it. A. thousands of years B. hundreds of years C. a few years 4. When we look at the Great Wall, ____ may come into our mind. A. many good ideas B. some plans C. many questions 5. How did the Chinese people build the Great Wall? A. They used special machines. B. They used horses. C. The passage doesn’t tell us.