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19.Researchers say bedtime rules may improve a child's development.A new study found better results in four-year-olds who go to bed around the same time every night and sleep at least eleven hours.Getting less than that caused lower abilities(能力)in language,reading and early math skills.
Researchers studied about eight thousand children whose parents took part in the research on early childhood.The parents answered questions by telephones by telephone at nine months and again at four years.
Researcher Erika Gaylor asked parents to follow routines(惯例)like reading books or telling stories to their children.Children who go to bed after nine o'clock took longer to fall asleep and slept less.Children also got less sleep if they did not have bedtime routines.
Another study found that more sleep may even make a person run faster.The study was small-seven players in the Stanford University team.For the study,they had at least ten hours of sleep each night during the season.After seven to eight weeks of more sleep,the players ran faster in short training races.They also felt less sleepy during the day.
Stanford sleep researcher Cheri Mah says sleep should be part of a player's training program.This is some of her advice:Adults should try to get seven to eight hours of sleep a night.Teenagers and young adults should get nine hours or more.Go to bed and wake up at the same time every day.And short naps(打盹)during the day to get more sleep.

67.According to Erika Gaylor,what can help children fall asleep?B
A.Going to bed after nine o'clock.
B.Doing different things at bedtime.
C.Doing the same things at bedtime.
68.What does the underlined word "that" in the first paragraph refer to(指的是…)?B
A.A bedtime rule.B.Eleven hours'sleep   C.The same time every night
69.Which of the following is true?C
A.Football players need less sleep than other players.
B.Football players need more sleep than other players.
C.More sleep can make football players do better in short races.
70.Cheri Mah's suggestion isB.
A.adults should sleep at leas eight hours a night.
B.we should take naps during the day to get more sleep.
C.teenagers and young adults should sleep at most eight hours a night.

分析 文章大意:这是一篇说明文,短文主要介绍四岁左右的孩子每天晚上在同一个时间睡觉,睡眠至少有十一个小时的效果会更好,如果比那少会导致语言、阅读和早期数学能力的降低.另一项研究发现,更多的睡眠,甚至可以使人跑得更快.建议:成年人应该每晚睡七至八小时,青少年和年轻的成年人需要九小时以上.起床和睡觉要有规律.

解答 67.答案:B.细节理解题.根据第三段Researcher Erika Gaylor asked parents to follow routines(惯例)like reading books or telling stories to their children.Children who go to bed after nine o'clock took longer to fall asleep and slept less.研究员Erika Gaylor要求父母按照惯例给孩子读书或讲故事,九点之后才上床睡觉的孩子需要更长的时间才能入睡,而且睡得少.可知,睡前做不同的事情,可以帮助孩子入睡,选B.
68.答案:B.词意猜测题.根据上句A new study found better results in four-year-olds who go to bed around the same time every night and sleep at least eleven hours.一项新的研究发现,在四岁左右的孩子每天晚上在同一时间上床睡觉,睡眠至少有十一个小时的效果更好.可知,这里的that代指的是十一个小时.选B.
69.答案:C.推理判断题.根据第四段第二行After seven to eight weeks of more sleep,the players ran faster in short training races.经过七到八周的多睡眠后,运动员在短训练赛中跑得更快.可知,多睡可以使足球运动员在短跑中表现更好.可知,选C.
70.答案:B.细节理解题.根据最后一句And short naps(打盹)during the day to get more sleep.白天午睡一会儿以获得更多睡眠.可知,我们应该在白天午睡以获得更多的睡眠.选B.

点评 阅读题型,要注重句子与句子之间、段落与段落之间逻辑关系以及对篇章的整体理解.根据所给问题选择正确选项完成试题.

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