中学生

Composition of Forces; The parallelogram Formula; Vector; High school student

中文关键词：力的合成；平行四边形定则；矢量；中学生

High school studens should make friends with whom is comradely, nobly, understanding, trusting, helpful and knowledgeble.

中学生应选择交志同之友、交德高之友、交知心之友、交可靠之友、交强已之友、交学问之友 4。

To be a student of civilization is to conscientiously implement the code of conduct for students.

做一个文明的学生，就是要认真贯彻落实中学生行为规范。

objective to get to know the self-image of korean-chinese middle school students and the social support level that they can cognize,and to explore the corelation between self-image and social support.

目的 了解朝鲜族中学生的自我形象和认知的社会支持水平，探讨自我形象和社会支持的相关性。

Middle school students have learned that burning is a chemical reaction, and Master Li cannot distinguish the differences between the crematory furnace and a nuclear reaction.

中学生都知道燃烧是化学反应，而李大师却分不清火葬场和原子反应堆的区别。

However the high school students nowadays have had a good command of computer and multimedia, which prepare them to use corpora and the method of DDL to accomplish some English learning tasks.

而现阶段中学生对电脑和多媒体的使用已经使他们具备了使用语料库和DDL方法进行简单的学习探索的条件。

Classical poem"s declamation can not only develop student"s memories, imaginations, thinking, and get the best feelings for language, enrich their knowledge,improve their ability of expressions ,but also can rich their emotions ,improve their accomplishment, perfect their characters. It even has the influence, which can not be ignored, on continuation of culture and improvement of the whole national quality.

中学生正处在诵读的最佳时期，而诵读古典诗词除了可以促进学生记忆力、想象力、思维力的发展，促使学生获得上乘的语感，增加知识积累，提高语言表达能力外，还可以促使学生丰富情感，提高修养，健全人格，甚至在传承文化，提高整个民族素质方面都有着不容忽视的功能。

The majority of parents believe that the Chinese secondary school students now may not be able to achieve the acceptance of this and more parents say this is accused of demagogy.

家长们多数认为，中国现在的中学生不一定能达到这种接受程度，更有家长指责此说是哗众取宠。

Therefore, this article will demostrate the question in three aspects from psychological angle practically and theoretically

希望通过此文的探讨，为中学生存在阅读不良心理问题的解决找到一个突破口。

Objective: To explore the influencing factors of depressive symptoms in middle school students.

目的：探索中学生抑郁症状的影响因素。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。