在高考英語寫作中，介紹信是一個常見的題材。

以下是一些常用的句型和表達，可以在寫介紹信時參考使用：

1. I am writing to introduce myself and express my interest in...

2. I am writing to introduce my friend/colleague, who is interested in...

介紹自己/他人：

1. Let me introduce myself. My name is... and I am currently a student at...

2. I would like to introduce my friend/colleague, whose name is... He/She is a... and is interested in...