题目内容

What can we tell about the author from this story?

A. He likes laughing at his friend.
B. He is a helpful friend.
C. He is a very rich person.
D. He is a boring person.

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The popular notion that older people need less sleep than younger adults is a myth, scientists said yesterday. While elderly people 1 to sleep for fewer hours than they did when they were younger, this has a(n) 2 effect on their brain's performance and they would benefit from getting more, according to research.Sean Drummond, a. psychiatrist (心理医生) at the University of California, San Diego, said older people are more likely to suffer from broken sleep, while younger people are better at sleeping 3 straight through the night.More sleep in old age, however, is 4 with better health, and most older people would feel better and more __5 _ if they slept for longer periods, he said.“The ability to sleep in one chunk(整块时间) overnight goes down as we age but the amount of sleep we need to 6 well does not change,” Dr Drummond told the American Association for the Advancement of Science conference in San Diego.“It's 7 a myth that older people need less sleep. The more healthy an older adult is, the more they sleep like they did when they were 8. Our data suggests that older adults would benefit from 9 to get as much sleep as they did in their 30s. That's 10 from person to person, but the amount of sleep we had at 35 is probably the same amount as we need at 75.”A)alertB)associatedC)attractingD)clingE)continuingF)definitely G)differentH)efficientlyI)formally J)functionK)mixed L)negativeM)sufficientN)tend O)younger S

毛泽东在《党委会的工作方法》中指出:“ー个人的工作,究竟是三分成绩七分错误,还是七分成绩三分错误,必须有个根本的估计。如果是七分成绩、那么就应对他的工作基本上加以肯定。把成绩为主说成错误为主,那就完全错了。”从唯物辩证法看,这里强调的是( )

A. 既要看到主要矛盾又要看到次要矛盾
B. 矛盾的主要方面与次要方面既相互依存又相互转化
C. 无视矛盾的次要方面就不能正确认识矛盾
D. 在认识予盾时须着重把握矛盾的主要方面

Physical activity does the body good, and there's growing evidence that it helps the brain too. Researchers in the Netherlands report that children who get more exercise, whether at school or on their own, --1--to have higher GPAs and better scores on standardized tests. In a ---2-- of 14 studies that looked at physical activity and academic--3--, investigators found that the more children moved, the better their grades were in school, --4-- in the basic subjects of math, English and reading.

Would you like 1 the results of the survey about students’free time? First of all, we found that 70% of the students enjoy 2 books in English. However, 90% can’t stand 3 their English homework. Most of the students don’t mind 4 their parents on weekends, but 35% hate 5 the washing up. Most parents allow their sons and daughters 6 out late at night. It depends 7 their age. A lot of sports are popular. 85% of the girls and 75% of the boys 8 in the summer. 56% plan 9 on a holiday abroad next year, but 10% said that they can’t afford 10 a holiday. 80% of the students have tried 11, but only 15% smoke regularly. Of these, half say that they want to stop 12.