According to classroom teachers, elementary and middle school students who stay up late exhibit more learning and attention problems.
根据课堂老师的说法，熬夜的中小学生表现出更多的学习问题和注意力问题。
A survey done by the China Youth and Children Research Center showed that school accidents kill more elementary and middle school students than anything else.
中国青少年研究中心的一项调查显示，学校事故是导致小学生和中学生死亡的最大原因。
The elementary and middle school students are signed and sealed by the school person in charge.
中小学生由学校负责人签名盖章。
I also endorsed the policy of requiring school uniforms for elementary and middle school students.
我还推行要求中小学生穿校服的政策。
At the same time, some Mathematical Olympiad training for elementary and middle school students also has certain problems.
各地中小学奥林匹克数学辅导中出现了一定的问题，对于这些问题要设法纠正。
The countryside elementary and middle school students' study conditions and life conditions have not been fundamentally improved.
农村中小学生的学习状况和生命状态并未从根本上得到改善。
Along with computer's popularization, the network language arises at the historic moment, and obtained the general elementary and middle school students' favor.
随着计算机的普及，网络语言应运而生，并得到了广大中小学生的青睐。
Elementary and middle school students personalization specialization one-to-one extracurricular counselling, a child formulates a set to put forward a minute plan.
中小学生个性化专业化一对一课外辅导，一个孩子制定一套提分方案。
Objective to investigate the status of nearsightedness in elementary and middle school students, and to provide the evidence for preventing students' nearsightedness.
目的了解中小学生近视状况，为防治学生近视提供依据。
Methods With the equal proportion sampling, 5,489 elementary and middle school students were selected to test the visual acuity and a questionnaire survey was conducted among them.
方法采用等比抽样法对宝鸡市5 489名中小学学生进行了视力测试和问卷调查。
Therefore, the author developed has created ability to the elementary and middle school students the research and the practice exploration, made every effort to solve the above problem.
因此，笔者开展了对中小学生创作能力的研究与实践探索，力求解决上述问题。
China's Ministry of Education issued a revised scheme on short sight prevention for elementary and middle school students on Thursday, as the country's youth are continuously troubled by eye problems.
星期四，国家教育部发布了一项防止中小学生近视的修正草案，以应对中国青少年的视力问题。
Three sets of textbooks have been published, one each for elementary, middle and high-school students.
这套教材共分三种，分别面向小学生、初中生和高中生。
The conceptual orientation of the new curriculum demands the elementary and middle school teachers to establish new teachers outlook and new students outlook, and cultivate new professional qualities.
新课程的理念追求，要求中小学教师树立新教师观、新学生观，并培养新的职业素养。
Methods: an anonymous questionnaire was completed on a stratified cluster sample of 1735 elementary school and middle school students who were randomly selected from Hegang.
方法：分层随机整群抽取鹤岗市1735名中小学生进行无记名问卷调查。
The survey polled more than 25,000 elementary and middle-school students in 9 cities and suburban counties all around China.
这项研究调查了超过25,000名小学生和中学生，涵盖中国9个城市和郊县。
It found students at elementary and middle-school levels do feel a high degree of happiness, but things get worse as they grow older.
研究发现，小学生和中学生确实会有程度较高的快乐感，但是随着他们长大，则每况愈下。
It found students at elementary and middle-school levels do feel a high degree of happiness, but things get worse as they grow older.
研究发现，小学生和中学生确实会有程度较高的快乐感，但是随着他们长大，则每况愈下。
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