This study aims to explore the features of conceptual representation by using semantic categorization task. Subjects were nonproficient Chinese-English bilingual children from grades three and five in primary school and grade seven in junior middle school.

In the previous theories and practice on the basis of the research, the countryside junior middle school students in grade seven conducted one-year open-ended mathematics problem tracking investigation of learning.

在前人理论和实践研究的基础上，笔者对农村初中七年级学生进行了为期一年的数学开放题学习的跟踪调查研究。

By analyzing the causes, the thesis puts forward main blog-based operating approaches in geographic pattern teaching for Grade Seven: compose situations raise questions analyze questions solve questions raise questions solve new questions.

通过分析原因，提出了基于博客的七年级地理图像教学反思策略的主要操作思路：创设情境提出问题分析问题解决问题提出新问题解决问题。

There are some faults of the material selection and design of the comprehensive study part of the Chinese textbook for Grade Seven.

人教版七年级语文教科书对“综合性学习”专题的选择和设计存在一些值得改进的地方。

Throughout Sichuan, the specification is grade seven on a scale of up to10.The same level applies in Shanghai.

整个四川，在总评价为十级的标准中要求达到为七级，上海也是同样的标准。

First, I examined and verified some teaching biological teaching materials including teaching plans and courseware for grade seven this evening.

今天晚上，首先我审核了七年级生物的一些教学材料，包括一些教案和课件。

The Research and Practice of the Teaching Pattern of Cooperative Study in Grade Seven Geography

七年级地理合作学习教学模式的研究与实践

And the subjects in this experiment are 75 students from two classes in Grade Seven, and the experiment lasts for one year.

该实验的对象是来自七年级的75名学生，并且该试验持续了一年的时间。

Lan Lan, a student of Grade Seven in Lushan, was taking a drawing class in a tent on April 23.

4月23日，庐山七年级学生兰兰正在帐篷里上绘画课。

I spent the whole night in sorting out the questions in last year's biology testing paper for Grade Seven students.

整个晚上，我都在分类整理去年的七年级生物期末测试卷。

The Research on Content System of Geography Aesthetic Education in Grade Seven

七年级地理美育内容体系研究

I download many biological teaching materials about the first volume of grade seven's textbook recently.

最后，我下载了许多关于七年级生物上册教材的教学资料。

Anyway, I finished editing grade seven's test paper at last.

无论如何，我终于编辑完了七年级的考试题。

The tracking objects are both the English teachers of grade seven.

笔者所跟踪的两名对象都正任教于七年级，在本研究中它们分别被称为老师A和老师B。

Vocabulary is a very important part of English knowledge. However, many students have difficulty in learning vocabulary, especially for beginners such as junior high school students of Grade Seven.

词汇是英语知识非常重要的部分，然而很多学生，特别是初学者在词汇学习上有很大困难，例如七年级的学生。

But my two best friends guild me to watch the games when I was in Grade Seven.

当我升上七年级（初一）时，两个最要好的朋友开始指引我看比赛。

Third, I made a biological courseware for grade seven's new students this evening.

第三，今天晚上我为七年级的新生做了一个生物课件。

And I just examined and verified some biological teaching plans for grade seven.

而我只是审核了一些七年级生物教案。

Each leap year we add that day onto the end of February.

每个闰年我们都要在二月底加上一天。

This time was added as an extra day during each leap year.

在每个闰年里，这些时间就被加总起来成为多出来的一天。

It also introduces the concept of the leap year to students in an interesting way.

它也用有趣的方式，将闰年的概念介绍给学生。