第一章是论文简介，介绍本课题的研究主题、方法以及背景情况。
Chapter 1 is an introduction in which the issue is introduced, and the objectives, methodology as well as background information are provided.
各章主要内容如下：第一章是论文简介，介绍本课题的研究主题、方法、背景及中澳两国能源资源储备和现阶段能源生产及供应的基本状况。
The summaries of the four chapters are as follows:Chapter 1 is an introduction in which the issue is introduced, and the objectives, methodology as well as background information are provided.
第一部分，前言，是对目前研究高校声乐教学心理现象情况的简介，点明论文的研究价值和意义；
The first part, preface, is the brief introduction of current study for the psychology phenomenon in college vocal teaching and points out the significance of the study.
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