题目内容
20.People of different ages need different amounts (数量) of sleep.According to the National Sleep Foundation in the US,adults need seven to nine hours of sleep every night.For students aged 10to 17,a healthy amount is about eight to nine hours per night.However,many students don't get enough sleep because of early school start times and too much homework.The China Youth and Children Research Center reported that about 80% of middle school students don't get enough sleep.Students without enough sleep may get poor grades.They can't pay attention in class or do well in sports.
To solve this problem,scientists advise that students should get less schoolwork and more time to sleep.There are some other ways to help people get enough sleep,such as taking a 20-minutes nap (小睡) during the day.Good sleep habits are also helpful.For example,try to go to sleep and wake up at the same time every day,even on weekends and during holidays.
51.How much sleep do adults need per night?A
A.7~9hours.
B.8~10hours.
C.More than 10hours.
D.Less than 7hours.
52.Why don't many students get enough sleep?C
A.Because they always stay up late and get up late.
B.Because they naturally wake up early and they have too much housework.
C.Because they have too much homework and their school starts too early.
D.Because they go to bed and wake up at the same time.
53.What may happen if teens do not get enough sleep?B
A.They may do well in sports.
B.They may not do well in their studies.
C.They will not finish their homework.
D.Their bodies and brains may grow better.
54.Which is NOT a reason that so many students don't get enough sleep?A
A.They have too many exciting classes in the day.
B.They have too much homework to do.
C.They may have sleeping problems.
D.They have to get up very early to go to school.
55.Which of the following is NOT a way of helping people get enough sleep?D
A.Getting up at the same time every day.
B.Take a 20-minute nap during the day.
C.Having good sleep habits.
D.Take sleeping pills before going to sleep.
分析 本文是一篇与睡眠相关的短文,讲述了睡眠与健康的关系,不同年龄的人需要的睡眠时间,中国青少年学生的睡眠现状以及解决措施等等.
解答 51.A 52.C 53.B 54.A 55.D
51.A 细节理解题.根据第二段里的:adults need seven to nine hours of sleep every night.可知成年人每晚需要七至九小时睡眠.故选:A.
52.C 细节理解题.由第三段第一句:However,many students don't get enough sleep because of early school start times and too much homework.可知因为上课开始时间早而且作业多,许多学生得不到足够的睡眠.故选C.
53.B 细节理解题.由第三段最后的句子:Students without enough sleep may get poor grades.They can't pay attentionin class or do well in sports.可知,睡眠不足的学生可能成绩差,课堂上无法集中精力,不能做好运动.故选:B
54.A 推理判断题.根据短文第三、四段,可知睡眠不足是因为作业多,学校上课早,睡眠习惯不好.故选A.
55..D.细节理解题.根据短文最后一段scientists advise that students should get less schoolwork and more time to sleep.There are some other ways to help people get enough sleep,such as taking a 20-minutes nap (小睡) during the day.Good sleep habits are also helpful,解决睡眠问题可以减少作业、增加睡眠时间、白天小睡、养成好的睡眠习惯.故选D.
点评 从文章中找到相关细节性的句子与选项细细比对,进行选择或推理判断,选出符合文章内容的正确选项.做题注意灵活,有时可采用排除法或直选法确定出最终答案.
Paper cutting | The art of paper cutting turns a simple thing like a piece of paper into a beautiful piece of art.People often put these art pieces on the doors,windows and walls of their houses to celebrate the Spring Festival.They are the symbols of wishes for good luck and a happy year. |
Sky lanterns | Sky lantern are made of bamboo and covered with paper.People used to send out sky lanterns when they were in trouble.But today,people light the lanterns and watch them rise into the sky with their wishes.Sky lanterns are seen as bright symbols of happiness and good wishes. |
Chinese clay art | To make Chinese clay art,the clay is shaped by hand into things such as cute children or characters from Chinese fairy tales and stories.They are then covered with paint.These small pieces of clay art show the love that all Chinese people have for life and beauty. |
A.Happiness and good wishes
B.love for life and beauty
C.wishes for good luck and a happy year
40.What are sky lantern made of?C
A.paper
B.bamboo
C.paper and bamboo
41.What are sky lanterns used for now?B
A.Asking for help
B.Happiness and wishes
C.Beauty
42.To make Chinese clay art,the clay is shaped intoA.
A.cute children or other characters
B.by hand
C.fairy tales and stories
43.From the passage we know that Chinese people areB.
A.friendly
B.creative
C.beautiful.