Unit 1 Tales of unexplained 同步练习(六)
Task: Conducting a survey
I.智力测试：
1．My watch is ten minutes slow and I think it is five minutes fast. Your watch is five minutes fast and you think it is ten minutes slow. We plan to catch a train that leaves at four o’clock, the distances we have are the same and we start together. Who gets to the railway station first?
2. My grandmother is twice as old as my mother, and my mother is three times older than I am. I’m going to celebrate my fifteenth birthday next month right after the New Year’s Day. My grandmother and my mother have already celebrated their birthday. So how old is my grandmother now?
3. Bob does not like school. He never cares for his study at all. But yesterday he was glad to tell me: “Last Saturday in class the teacher opened his book and explained the text. I also opened my book and tried to follow him. I wonder why all he said seemed to easy to me. I was really surprised how well I understood it. “ Why did Bob understand the lesson so well that day?
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