6.2确立主题
- 确立主题
- 综述文献
- 确立研究问题
- 介绍本研究
1.表明研究的核心性
- 吸引读者
- 直接带入主题
- 三个策略
2.提供背景
- 根据这一主题，学者们做了什么？
- 做到了什么程度？
3.定义关键特征
- 强调主题的关键性质
- 使读者对主题有深入认识
句式
1.突出研究主题
-
研究主题+谓语动词be...
例：Fuel cell is a technology for the clean and efficient conversion from chemical energy in fossil fuels to electricity.
-
研究主题+has become ...
例：The battery technology has become increasingly popular in automotive industry.
-
研究主题+be+过去分词（被动语态）
例：The causes pf glaucoma have been widely investigated recently.
2.存在关系类句型
-
Recently,there has been growing interest in/concern about + 研究主题
例：Recently,there has been growing concern about waste-water biosolid, the residual organic matter produced during waste water treatment.
-
Recently there have / has been extensive / increasing /numerous publications / literature / reporting on + 研究领域
例：There has been increasing reporting about forest decline in North America.
3.突出研究者类
-
Researchers + 谓语动词
Researchers have become increasingly interested in + 研究领域
Researchers agree/reach the consensus that ......
Researchers are recently paying mire attention to / have recently focused their attention on + 研究领域
例：Researchers are paying more attention to high pressure injection.
时态
1.现在完成时
说明研究到达了什么程度
例：The last two decades have been an enormous interest in the study of professional written academic genres.
2.一般现在时
描述主题性质
例：The Stewart platform is a parallel structure with 6-DOF (degrees of freedom) and has multiple
singularities in the upper visible hemisphere.
引言开头写作要点
- 直奔主题，研究背景不要铺垫得过长
- 突出研究的重要性
- 运用数据
- 引用有影响力学者的观点
- 说明本话题是被广泛关注的焦点
