Questions 18 to 20 are based on the
following passage. At the end of the passage, you will be given 15 seconds to
answer the questions. Now, listen to the
passage.
Just like the author stated here,
A.the brain of an elephant accounts for 1/50 of his total weight. B.many kinds of animals have brains larger than men have. C.man’s brain seldom weighs much over three pounds. D.in proportion to his total weight, man’s brain is the largest of animal brains.