一、填空题(每空1分共20分) 1、按照研究成果的作用,教育研究可以 分为: 、应用研究和开发性研究。 2、按照研究是否包含量的关系,可把教 育研究分为 和

1.1引言 历史的长河流过了石器时代,流过了青铜时代和铁器时代,终于在二十世纪的门口进入了五光 十色的高分子时代。尽管高分子材料作为“时代”姗姗来迟,却已在不知不觉中伴随人类走过了几 千年的路程。蚕丝棉、麻等高分子材料早在公元前就进入了人类的生活,而材料骄子一橡胶的“发 现”,更为人类自觉开发和使用高分子材料开启了大门。虽然哥伦布从美洲带回欧洲的只是一时被认 为没有使用价值的原胶,但从这些既能流动又具弹性的奇特物质中已经透露出材料新世纪的曙光

2.1操作系统的概念 2.2 Windows2000操作系统 2.3 Windows2000的基本操作 2.4 Windows2000文件管理 2.5 Windows2000对程序的管理 2.6系统设置 2.7附件

图像增强是采用一系列技术去改善图像的视觉效果, 或将图像转换成一种更适合于人或机器进行分析和处理 的形式。例如采用一系列技术有选择地突出某些感兴趣 的信息,同时抑制一些不需要的信息,提高图像的使用 价值。 图像增强方法从增强的作用域出发,可分为空间域 增强和频率域增强两种

You work for an airline you have just received a letter from a customer who says that she had a terrible flight, that her bags did not arrive until two days later, and that one of her bags was broken. Write a letter apologizing and ask for further information so that you can arrange

Letter Writing Practice 2 Test Yourself You office needs to rent a video camera for one month. You need a small machine that produces a professional quality image. Write to Photofinish Ltd and ask them if they rent machines like that and the price. Write a full business letter. (invent any details you need)

Letter Writing (Samples and Instruction) My dearest friend Recently I have noticed a habit of yours that is becoming a serious problem. It smoking. As long as you are in, our bedroom is filled with terrible smell and the ashtray is overflowed with cigarette butts

To read and find out the purpose of this chart To examine the theme and figure out the relations in the chart To pay attention to the notes in the chart II. What we should pay special attention to Limit of time 2. Focus of the chart III. What we will write in the composition Catch the trend, the survey and some

Objectives of the class (1)A better understanding of \writing\ (2)A better understanding of what the students have brought into the

Lecture 5 Sequence Paragraph Objectives To learn what a sequence paragraph is To learn to write an effective sequence paragraph Writing instructions wha at is a sequence paragrap h?