雅思写作核心词汇讲解：it

　　在雅思写作核心词汇中，it 绝对称得上是重中之重。不管是在简单句中还是复句中，it 的作用都是不可忽视的。但是考生在it的应用方面还是有些缺陷，经常会犯一些错误如果避免这些错误，下面雅思就为大家整理了雅思写作核心词汇it 的讲解，考生们可根据自己的情况进行参考复习，让大家的雅思写作更上一层楼。

　　考生常犯的错误：

　　1. As is known to all of us that science and technology play an important role in the development of society.

　　2. It is known to us, practice makes perfect.

　　正确表达：

　　1. It is known to all of us that science and technology play an important role in the development of society.

　　2. It is known to us that practice makes perfect.

　　雅思建议：It 在英语中是个相当活跃的代词，是雅思写作核心词汇，我们常要使用它。以下几种用法应熟练掌握，并能灵 活运用。

　　1.作形式主语

　　It is necessary for us to master a foreign language skillfully. It makes difference whether

　　we could purify the air or not.

　　2.作形式宾语

　　We find it rather difficult to prevent people from doing that. Modern science has made it

　　possible for babies to grow healthily and for people to live longer.

　　3.引导强调句

　　It is only by this way that we can achieve success. It was then that people began to realize

　　the importance of controlling population.

　　从以上的建议大家就可以看到，it 引导的复句在雅思写作中的突出表现。这牙膏的句式会让考生的作文立刻出现闪光点，取得比较好的成绩就相对容易许多。最后，雅思预祝大家在雅思考试中取得好成绩！