[单项选择]

W: In the past 10 years, many scientists have studied the differences between men and women. And they all got the same answer: The sexes are different, because their brains are different. And this, the scientists say, makes men and women see the world in different ways. Boys, for example, generally are better than gifts at mathematical ideas involving objects and their relationships. Boys are also generally better than girls at the kind of hand and eye movements necessary for bail sports. Girls, on the other hand, generally start speaking earlier than boys. And they generally see better in the dark than boys and are better at learning foreign languages. What makes men and women better at one thing or another The answer is the brain. The brain has two sides connected by nerve tracks. The left side is generally used for mathematics, speech and reading. The right side is used for artistic creation and the expression of emotions. In men and women, different areas in each side of the
A. They have better ideas about objects and their relationships.
B. They have more flexible hands and eyes.
C. They can see better than boys at night.
D. They can express their emotions better than boys.

W: In the past 10 years, many scientists have studied the differences between men and women. And they all got the same answer: The sexes are different, because their brains are different. And this, the scientists say, makes men and women see the world in different ways. Boys, for example, generally are better than gifts at mathematical ideas involving objects and their relationships. Boys are also generally better than girls at the kind of hand and eye movements necessary for bail sports. Girls, on the other hand, generally start speaking earlier than boys. And they generally see better in the dark than boys and are better at learning foreign languages. What makes men and women better at one thing or another The answer is the brain. The brain has two sides connected by nerve tracks. The left side is generally used for mathematics, speech and reading. The right side is used for artistic creation and the expression of emotions. In men and women, different areas in each side of the
A. Boys’ left brains are better developed than girls’.
B. Girls’ left brains are better developed than boys’.
C. Different parts in each side of the brain develop differently in boys and girls.
D. Areas in each side of the brain develop similarly in boys and girls.

In the past 20 years, scientists have learnt a great deal about sleep and dreams. They have covered, for example, that sleep and dreams affect the way people feel. A good night’s sleep generally make a person happier in the morning. Dreams also have strong effect on a person’s moods. However, who appears in a dream is more important than what happens. Every person has a special dream character. If the special character appears in dreams, people are happier after sleeping. If there are many people in one’s dream, this has a good effect a person will wake up happier.
A person’s moods affect his or her performance through the day. The level of one’s moods rises and falls during the day. The less sleepy people are, the better they perform, and usually they are more friendly and more clear thinking. Some day scientists hope to be able to control the way people feel and perform.