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This text tries to optimize the physical experiment teaching of junior middle school, will demonstrate partly the experiment will be dealt with to students, improve students and study the physical interest, strengthen students' sense of participation; Will demonstrate partly the experiment changes into and divides into groups to probe into the experiment, enable students to practise physics and probe into the course, grasp the scientific research approach; Organize students to join the interest group, make the teaching aid of physical experiment, strengthen student's manipulative ability, arouse students and study physical enthusiasm; Encourage students to develop the new experiment in the experiment lesson, protect students' curiosity; Increase the interesting experiment and verify the experiment, strengthen student's perceptual knowledge to the physical phenomenon, and broaden student's outlook and thinking; Increase experiment and phenomenon involved in the exercise flexibly, utilize practice to prove the theory is derived, strengthen convincingness.

本文尝试优化初中物理实验教学，将部分演示实验交给学生处理，提高学生学习物理兴趣，增强学生的参与感；将部分演示实验改为分组探究实验，让学生能实践物理探究过程，掌握科学研究方法；组织学生参加兴趣小组，制作物理实验教具，增强学生动手能力，调动学生学习物理积极性；在实验课中鼓励学生开发新实验，保护学生的好奇心；增加趣味实验以及验证实验，加强学生对物理现象的感性认识，并且开阔学生的视野和思维；灵活增加习题中涉及到的实验和现象，利用实践证明理论推导，增强说服力。

Through correlative analysis and path analysis, it finds that (1) the family environment and the colleges and universities environment have direct and indirect influence on self-identity development of students; and (2) the family environment and the colleges and universities environment exert the major effect on self-identity development of students through identity style as mediational variable, so identity style becomes the explanatory base of self-identity status. That is, the predictive effect of diffuse/avoidant identity style for identity diffusion, normative identity style for identity foreclosure, and information identity style for identity achievement respectively is most significant; and (3) family environment that is helpful, supportive, warm, expressive, and promote autonomy and independence possibly makes students form identity achievement or identity moratorium, family environment that is excessively cohesive and warm but lacking independence possibly promote students to form identity foreclosure, and family environment that lacks of supportive and warm possibly make students form identity diffusion; and (4) colleges and universities environments that have better relationship system, clear developmental purpose, and promote to pay attention to societal concerns, critical and explorative qualities, and provide healthy, expressive, democratic, open atmosphere facilitate identity development, in turn form advanced identity. Colleges and universities environments that only emphasize the receival of colleges and universities aims, order and instilments, and scarcely encourage critique, exploration, individuation possibly make students form identity foreclosure. However, the ones that is remote relationship system, and lacking support, and students don't cognize the aim of colleges and universities possibly make students form identity diffusion.

通过相关分析、路径分析发现：(1)家庭环境和学校环境对大学生自我同一性有直接和间接的影响；(2)家庭环境、学校环境对大学生自我同一性影响主要以同一性加工方式为中介变量，同一性加工方式成为自我同一性状态的解释基础，弥散—回避定向同一性风格对弥散型同一性预测力最大，信息定向同一性风格对成就型和延缓型同一性预测力最大，常规定向同一性风格对排他型同一性预测力最大；(3)相互支持、帮助、关心、自由表达和鼓励自主和独立的家庭环境促进大学生同一性的发展，形成成就型或延缓型同一性状态，过度亲密而缺乏独立性特征的家庭环境可能形成排他型同一性状态，而缺乏支持性，关系疏远的家庭环境可能形成弥散同一性状态；(4)良好的关系系统，明确的发展目标，鼓励学生对社会事务关注、倡导批判和探索精神，塑造良好、健康、可供自由表达、民主、开放的文化氛围的大学校园环境促进大学生同一性发展，形成高级、成熟的自我同一性，而一味强调学校目标的接受，强调秩序、灌输，缺乏对批判、探索、个性发展鼓励的学校环境有可能使学生形成排他型同一性状态，但若学校的关系系统疏远，缺乏支持性的民主的风格，目标不能被学生明确感知的学校环境则可能影响学生形成弥散型同一性。

Freshman low income students in dealing with the problems on the score was significantly lower than sophomore, junior and senior low income students, and the self-condemned, was significantly higher than that of sophomore, junior and senior poor students; senior low income students SCL-90 in the interpersonal sensitivity, anxiety, hostility, paranoia and mental illness, as well as scores were significantly higher than those on the junior poor students, and obsessive-compulsive disorder in the sophomore and senior poor students were significantly higher than those freshman students , on the whole, a senior health poverty level of the mental health was significantly lower than the other three-year low income poverty students.

大一贫困生在应对方式解决问题上得分显著低于大二、大三、大四的贫困生，而在自责因子上显著高于大二、大三、大四贫困生；大四贫困生在SCL-90的人际关系敏感度、焦虑、敌对、偏执、精神病症以及总分上均显著高于大三贫困生，另外在强迫症上大二、大四贫困生均显著高于大一学生，总体上大四贫困生的心理健康水平显著低于其他三个年级的贫困生。

Pragmatic presupposition determines the choice of information focus and its position in a sentence,organizes the discourse into a coherent whole,concise,clear and smooth,and achieves the expected stylistic effects.in college english teaching,if teachers teach the knowledge about pragmatic presupposition in listening teaching,introduce the frequently-seen patterns of presupposition, increase the presuppositional sensitivity of students to certain words and structures,guide students to use the theory on presuppositional information to make forecasts on base of written listening material,listen purposefully,and get rid of the distraction of the minor and redundant information,the ability of students to obtain major information and linguistic inference will be strengthened and their listening competence will improve remarkably.george yule divided presuppositional triggers into factive presupposition,non-factive presupposition,counter-factive presupposition,existential presupposition,lexical presupposition and structural presupposition.presuppositional triggers are helpful for us to understand the true intention of the speaker or writer.in college english reading teaching,if teachers introduce the discourse organizing function of pragmatic presupposition and the relevant presupposition triggers,and teach students to use these triggers to communicate with the writer,the comprehension competence of students will be greatly enhanced.the essential function of presupposition is to build a framework for the further development of discourse.in college english writing teaching,teachers can use the theory on pragmatic presupposition to construct a handy training program for textual organization,increase the textual coherence, economy and structural perfection of the english writings by students.in college english translation teaching,teachers should focus on developing the pragmatic presuppositional thinking of students,enable them to grasp the presupposed information in source text / speech exactly,understand the original thoroughly,correctly reorganize and reproduce the pragmatic presuppositions in the target language,carry out the functional equivalence in translation and successfully realize the smooth and accurate communication.with the instruction of pragmatic presupposition in college english teaching,the complete understanding and integral acquisition of english and chinese of students will come true.in conclusion,to implement the curriculum requirements for college english teaching promulgated by the ministry of education of china,we should emphasize the instruction of the theory on pragmatic presupposition in college english teaching,carry it through from beginning to end.it's one of the important means to realize the college english teaching reform, improve the effects of college english teaching,strengthenr the practical and integrative language abilities of students,in order to cultivate the compound talents to adapt to the global integration and meet the requirements of the reform and opening in china.

在大学英语教学中，教师将语用预设知识贯穿于听力教学过程中，讲授一些常出现的预设类型，提高学生对一些特定的词语和结构的预设敏感度，引导学生运用预设信息理论对听力文字材料进行预测，有的放矢，排除次要、冗余信息的干扰，增强获取主要信息的能力和语言推理能力，从而提。。。更多高学生的听力理解水平。george yule将预设触发语分为事实预设、非事实预设、反事实预设、存在预设、词汇预设和结构预设，触发语有助于我们在阅读当中理解作者的真正用意。在大学英语阅读教学中，介绍语用预设的语篇组织功能和有关的预设触发语，并利用触发语来与作者进行交流，会极大地提高阅读理解能力。预设的基本功能就是为语篇的进一步发展建立一个框架。利用语用预设理论可以为大学英语写作教学构建一个易于操作的篇章组织训练方法，提高学生英语写作的语篇连贯性，经济性和结构优化。在大学英语翻译教学中，注重培养学生的语用预设思维，准确把握源语的前提信息，透彻理解原文，使语用预设在目的语中正确重组和再现，实现翻译的功能对等，交际的流畅性和准确性，并增强学生对英汉双语的全面性认识和整体性习得。综上所述，为更好地贯彻和实施教育部颁布的《大学英语课程教学要求》，在大学英语教学中重视语用预设理论的传授，使语用预设贯穿于大学英语教学的始终，是实现大学英语教学改革的重要手段，改善大学英语教学效果，增强学生的实用综合语言能力，培养符合全球一体化趋势，适应改革开放要求的复合型人才。

The results showed that there were inadaptive responses,and there were significant differences (P＜0.01) among all levels. There were less inadaptive responses in the secondary nursing students than in the baccalaureate standard(P＜0.05) and college nursing students (P＜0.05); The Basic Physiologic Needs and the Role Mastery were not significantly difference among different level nursing students (P＞0.05); The difference in the self-Concept and in the interdependence was significant (P＜0.01). There were less inadaptive responses in the secondary nursing students than the BSN(P＜0.05) and college nursing students (P＜0.05) in the Self-concept; there were more inadaptive responses in the BSN than that in the college (P＜0.05) and secondary(P＜0.01) nursing students,and the difference was not significant among the college nursing students and secondary nursing students in the Interdependence.

结果表明：不同层次护生在毕业实习期均存在不适应反应，不同学历间有显著差异（P＜0.01），中专护生不适应反应少于本科（P＜0.05）及大专护生（P＜0.05），在生理需要及角色功能方面，不同学历间无显著性差异（P＞0.05），在自我概念方面，不同学历间存在显著性差异（P＜0.01），中专护生少于本科（P＜0.01）及大专（P＜0.05）护生，在互相依赖方面，不同学历间存在显著性差异（P＜0.01），本科护生多于大专（P＜0.05）及中专（P＜0.01）护生，大专与中专护生间无显著性差异（P＞0.05）。

The handwriting and drawing motor of the students of different academic achievements differs in such ways as:a. Slow students\' motor control ability is inferior to that of the other students, which suggests some students have abnormal function of neural motor, including the unilateralization of brain function.b. The motor control ability of the excellent students from senior high school excels that of the other students.c. The harmonizing ability over double tasks of the excellent students exceeds that of the ordinary students. Such difference becomes more evident with complication of cognitive tasks.

三不同学业成绩学生的手书运动存在以下差异：1、学差生的手书运动控制能力低于学优生和中等生，提示在学差生中间可能有部分学生存在神经运动功能的特殊状况，包括大脑功能单侧化的改变。2、高中学优生的手书运动控制能力高于中等生和学差生。3、学优生在手书活动中的双任务协调能力优于学差生，随着认知次任务的复杂化，不同学业成绩学生之间的差异更为明显。

The article uses multiple regression statistics to analyze the past settlement academic achievement, proposes a calculation method that prorates the high school entrance examination results and the results of class sorting examination organized by the school so as to provide the basis for future calculation of the settlement academic achievement, bring it closer to the real student academic level; makes full use of the historical result data of the tests that students participated, traces and analyzes the experience of our students' growth, gives full play to the advantage of small class management mode in the large classes of our school, guides students to actively summarize their own academic achievement so as to search appropriate learning methods suitable for themselves and help them develop good learning psychology quality; In addition this article uses RANK function to analyze the balance of students' terminative academic achievement, uses Radar Chart, combined with the graphic illustration of the median and hundreds' digit to analyze students' terminative academic achievement, on the one hand to guide students to focus on their overall academic development, on the other hand, to provide students with the basis for choosing arts or science subjects during entering senior two of the high school from senior one; the article provides an easy-to-operate EXCEL template to facilitate teachers to gather the information about the diagnostic academic achievement in usual schoolwork and unit tests, so that forms a timely and precise feedback link, thereby facilitating teachers to master timely the learning conditions of the students, and adjust teaching objectives and teaching strategies based on the practical situation of the students, so as to better complete the teaching tasks.

利用多元回归统计分析以往的安置性学业成绩，提出以中考成绩与学校组织分班考试按比例折算的计算方法，为今后的安置性学业成绩计算提供依据，使其更接近学生真实的学业水平；充分利用学生在校参加各次测试的历史成绩数据，跟踪分析学生的学业成长历程，充分发挥我校大班小班化管理模式优势，指导学生对自我学业成就进行积极归因，寻找适合自己的学习方法，从而帮助学生形成良好的学习心理品质；利用RANK函数分析学生终结性学业成绩的均衡性，利用雷达图，结合中位数和百位数图示化分析学生终结性学业成绩，一方面引导学生关注自身全面的学业发展，另一方面，为学生在高一升高二文理分科时提供选择依据；提供操作简单的EXCEL模板，方便教师收集平时作业或单元测验中的诊断性学业成绩信息，使教学反馈环节及时精细，有利于任课教师及时了解学生的学习状况，根据学生实际情况调整教学目标和教学策略，从而更好地完成教学任务。

Through difference significance tests and analyses, it finds that (1) man students more possibly form identity achievement, and woman students more possibly form identity foreclosure and identity diffusion; and (2) the difference of self-identity status between man and woman students is associated with various domains; and (3) self-identity status between man and woman students have some similarities that identity exploration has the same importance to both; and (4) grade-one is a period when students face up to more identity crises, and grade-two is key period of identity formation, and grade-three is a developmental period of identity that provides the basis for re-solution of the emergence of new identity crises in grade-four;(5) there is a gradually enhanced direction from lower self-identity statuses to advanced ones from grade-one to grade-three, but there is also a direction that reentry into the identity crisis by grade-four. It indicates that the identity achievement formation does not mean the end of development of self-identity and proves that there is a continuous MAMA cycle in self-identity development; and (6) that students self-identity status mainly is identity moratorium provides some evidence for which there is a Moratorium in student development, and which self-identity formation is not easy; and (7) the development of student self-identity is associated with various domains, what students pay most attention to firstly is vocation, secondly life philosophy, and lower interesting in political and religious domains in ideology; for relational domains, students pay more attention to dating and friendship compared to sex role and recreation domain.

通过差异显著性检验和分析发现：(1)男生更可能形成成就型同一性，女生则更可能形成排他型和弥散型同一性；(2)男女大学生自我同一性的差异与不同的领域相关；(3)男女大学生自我同一性也存在相似性，同一性探索对于男女大学生同样重要；(4)大学一年级是同一性危机面对较多的时期，二年级为同一性形成的关键期，三年级为同一性的发展期，所形成的同一性为四年级所出现新的同一性危机的解决提供了基础；(5)从一年级到三年级存在从低级的自我同一性向高级的自我同一型转变的渐进增强，但到四年级又有重新进入同一性危机的趋势，说明大学生成就型自我同一性的形成并不意味着自我同一性发展的结束，证明了自我同一性发展的MAMA周期持续存在的特点；(6)学生自我同一性状态主要还处于延缓型同一性状态，进一步证明大学生发展心理合法延缓期的存在，以及自我同一性形成不是一件很容易的事情；(7)大学生自我同一性的发展与领域相关，大学生较为关注职业领域，其次为人生观领域，而对政治和信仰领域兴趣较低；另外，大学生对友谊、交往领域较为关注，对性别角色和活动领域关注程度相对较低。

The major findings were as follows:(1) There were significant interactions between Feedback and Goal-setting in both students' mathematical performance and test anxiety;(2) No significant differences were found in mathematical performance and test anxiety between the student self-set goal condition and the teacher-assigned goal condition when feedback was presented;(3) There were significant differences in students' mathematical performace between correct-predicting students' and incorrect-predicting students, but no difference was found in students' test anxiety between the two groups of students;(4) High-estimating students and low estimating students showed significant differences in mathematical performance, but no difference in test anxiety.

在有回馈的情形下，学生自订目标与敎师指定目标间，其学生在数学作业表现或是在数学测试焦虑分数上均无显著差异存在。3。学生自订目标中，预测正确组与预测不正确组学生在数学作业表现上有差异存在，在数学测试焦虑分数上无差异存在。4。学生自订目标中，高估组与低估组学生在数学作业表现上有差异存在，在数学测试焦虑分数上无差异存在。

Such doubts havesitimulated the researchers'curiosity and start to explore the students' terms This research proceeds by observation interview test using learning sheets and etc The purpose is to explore students' terms of scientific concepts sources of terms connections between students' usage nomenclature and chooses of usage The results of the research are as follows: 1 There are five kinds of naming principles for students' terms of scientific concepts: appearance habit function replacing and sound Appearance principle contains three categories: color shape and partial construction; habit principle contains custom and ability; replacing principle contains reality and non-reality 2 Students' terms of scientific concepts come from two ways: self-acquisition and learning through senses The former way is only a bit more common than the latter 3 There are three different relationships between students' usage of terms and nomenclature: one both the same in usage and meaning; the other both different; another different usage but the same meaning Normally terms that students used are various from nomenclature in the aspects of usage and meaning only a few would match and even rare for "Synonyms" to occur 4 Alternative options for students' scientific terms are maintenance adaptation or co-existence with formal scientific terms The most common way of selecting usage of terms is to maintain Sometimes students would adapt themselves once learn of scientist's term However some believe that very odd chances for both could exist at the same time

这样的疑问深深引起研究者的好奇，著手探索学生科学概念所使用的语言。本研究透过观察、访谈、学习单施测等方法来进行，目的在探讨学童在科学概念上所使用之学生惯用语、学生惯用语来源、学生惯用语与科学家用语之关联性、学生惯用语选择。研究结果如下：一、学童在科学概念上所使用之学生惯用语的命名原则有五种：外型、习性、功能、藉代称呼及声音，其中外型原则有颜色、体型及部份构造三类目，习性原则有习惯及能力两类目，藉代称呼原则有实体及虚拟两类目。二、学童在科学概念上所使用之学生惯用语有两种来源，分别为自己称取和听来。学生惯用语来源较多为自己称取，透过其他方式听来少一点，但两种来源的比率差距甚小。三、学童在科学概念上所使用之学生惯用语和科学家用语的关系有三种，分别为用语意涵均相同、用语不同意涵相同和用语意涵均不同。学生惯用语通常和科学家的用语是不同的，且其意涵也不同，只有部份学生惯用语和科学家用语意涵均相同，至於学生惯用语和科学家用语不同但意涵相同的极少。四、学童的科学概念相关学生惯用语选择有三种，分别为维持学生惯用语、改变成科学家用语和科学家与学生惯用语皆可。学童的科学概念相关学生惯用语选择，以维持学生惯用语最多，而有些时候学生会在得知科学家的用语后改变成科学家用语，但认为科学家用语和自己使用的学生惯用语皆可的则很少。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。