W: I’m driving down this afternoon. I have to stop by Deluxe, the art supply store, to get some paints for my art class.
M: Deluxe They moved to Smithville.
M: You must have been driving at seventy miles an hour. Didn’ t you see the speed limit
W: I can’ t have been driving that fast.
M: I was doing eighty when I overtook you.
[听力原文]
W: You must have been driving too fast.
M: No, I crashed into the tree because I was Wing not to hit a box that had fallen off the truck just ahead.
W: You must have been driving too fast.
M: No, I crashed into the tree because I was trying not to hit a box that had fallen off the truck just ahead.
If you want to stay young, sit down and have a good think. This is the research result of professor Faulkner, who says that most of our brains are not getting enough exercise and as a result, we are ageing unnecessarily soon.
Professor Faulkner wanted to find out why healthy farmers in northern Japan appeared to be losing their ability to think and to reason at a relatively early age, and how the process of ageing could be slowed down.
He set about measuring brain volumes of a thousand people of different ages and occupations.
Computer technology enabled him to obtain precise measurements of the volume of the front and side sections of the brain, which relate to intelligence and emotion, and determine the human character.
Contraction of front and side parts--as cells die off--was observed in some subjects in their thirties, but it was still not evident in some sixty- and seventy-year-olds.
Faulkner concluded from his tests that there is a s
A. our brains shrink as we grow old
B. the front section of the brain does not shrink
C. seventy-year-olds have better brains than sixty-year-olds
D. brain contraction may vary among people of the same age
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