14. The worries that cause students to be stressed come from the following factors EXCEPT _______.

　　A. family relationship B. friendships

　　C. study and career D. physical appearance

15. Which statement is true according to the study?

　　A. Compared with students of South Korea and Japan, Chinese students are taller and healthier

　　B. About 45 percent of Chinese students always ask for sick and injury leaves

　　C. Among students of 3 countries, Japanese students experience the most pressure mental pressure often over the past year

　　D. Chinese students are more confident and only about 1 out of 10 them choose to lose weight

第二节　(共5小题；每小题3分，满分15分)

　　根据短文内容,从短文后的选项中选出能填入空白处的最佳选项.选项中有两项为多余选项.

　　Roger Sperry and Robert Ornstein of the California Institute of Technology, Nobel Prize winners, discovered that the human brain has two sides, and each side has different work to do.

　　The left side of the brain controls language and number and it analyses and reasons. 16 It controls our appreciation of music and our sense of rhythm. It is also the right side of our brain which daydreams.

　　Leonardo da Vinci was the great painter and sculptor. He was also an architect, a scientist and an inventor! 17 When he invented machines he used both his imaginative ability and his analytical （分析）ability.

　　 18 Albert Einstein enjoyed art, playing the violin and sailing. Indeed, Einstein said his scientific discoveries grew from his imagination rather than from analysis, reason and language. He said that written and spoken words were not important in his thinking. The story goes that Einstein was daydreaming one summer's day while sitting on a hill. He imagined that he was riding on sunbeams to the far distance of the universe. Then he found that he had returned to the sun. So he realized that the universe must curve（弯曲）. 19 He then used the left side of his brain to apply analysis, number and reason. And finally he used language to explain it.

　　Traditional education in schools encourages us to use the left side of our brains. Language, number, analysis and reason are given more importance in our schools than imagination and daydreaming. Why don't we give more value to visual thinking? Why jump on one foot if we have two perfectly good legs!

20 We need to use our imagination to think of solutions to problems and to enjoy