Question

18．Over the past decade，more than 60 percent of primary and secondary school students in China have failed to regularly get enough sleep，with excessive （过多）homework and supplementary after-school classes getting in the way of their health，a recent report suggested．
According to the report，released by China Youth and Children Research Center （CYCRC）on Oct.20，there are around 100 million young people short of sleep currently living in China．Too much homework assignments，more hours spent studying at school and increasing pressure to participate in supplementary after-school sessions are the main causes of sleep deprivation among Chinese students．
   Despite efforts by the Chinese government to ease academic burden on students，primary and secondary school students are still overwhelmed by study stress．On average，primary school students in China spend 8.1 hours at school per day，which is more than the government-approved six hours．Middle school students spend an average of 11 hours per day at school，which is three hours more than the national standard．
"The evaluation standards for teachers mainly focus on students'academic Performance and enrollment rate，so we have no choice but to deprive the students of their spare time，"a teacher from No.33 Middle School in Baotou，Inner Mongolia told the Xinhua News Agency during an interview．
"More and more after-school sessions are also imposed on Chinese students．Chinese students have to spend more time on their homework and off-campus studies，"added SunHongyan，director of CYCRC．
"Primary and secondary school students are in a crucial period of physical development，and they should sleep around nine to ten hours per day．Sleep deprivation can lead to weakened immunity and memory，and can also hold back physical growth，"said Wang Zan，a member of the China Sleep Research Society．

58．Which is not the main causes of sleep deprivation among Chinese students？B
A．too much homework assignments 
B．their parents'high expectations
C．more hours spent studying at school 
D．participating in supplementary after-school sessions because of increasing pressure
59．what can we learn from the passage？B
A．According to the national standard，on average，students can't spend more than 8 hours per day studying．
B．The Chinese government has made efforts to ease academic burden on students．
C．Only students'academic Performance and enrollment rate can evaluate their teachers．
D．Chinese students spend more time on their homework than after-school sessions．
60．What can't sleep deprivation lead to？C
A．weakened immunity           
B．short memory  
C．mental illness                    
D．holding back physical growth．

Answer 1

分析 本文主要对中国学生睡眠缺少的问题进行了谈论．就其原因和导致的后果进行了描述，以此希望引起社会的关注．

解答 58．B 细节题．根据文中内容，Too much homework assignments，more hours spent studying at school and increasing pressure to participate in supplementary after-school sessions are the main causes of sleep deprivation among Chinese students．过多的家庭作业、在校学习时间过长以及课后参加各种辅导班学习的压力是中国学生睡眠缺少的主要原因，结合选项，没有提到B选项的内容，故选B
59．B 推理题．根据文中内容，Despite efforts by the Chinese government to ease academic burden on students，primary and secondary school students are still overwhelmed by study stress．尽管中国政府已经尽力的减轻中小学生身上的压力和负担，但是中小学生的课业压力仍旧非常大，结合选项，故选B
60．C 细节题．根据文中内容，Sleep deprivation can lead to weakened immunity and memory，and can also hold back physical growth，"缺少睡眠会削弱免疫力和记忆力，并且会阻止孩子的正常生理发育，结合选项，没有提到导致精神问题，故选C

点评 本文是一个科教类阅读，题目涉及多道细节理解题，做题时结合原文和题目有针对性的找出相关语句进行仔细分析，结合选项选出正确答案．推理判断题也是要在抓住关键句子的基础上合理的分析才能得出正确答案，切忌胡乱猜测，一定要做到有理有据．