雅思口语话题Pen or pencil相关的较为抽象的观点答案参考！

　　Reasons

　　Pens provide a smoother and faster writing, and the page looks more neatly. 钢笔书写得更加流畅、快速，卷面更加整洁。

　　In humanities classes, pens are more commonly used because students write words rather than draw diagrams. 钢笔更适合需要学生进行写作的人文科目

　　Pens are always used to write on formal occasions. For taking exams, signing receipts, legal documents, or writing letters, also use a pen. They are easy to fake if the writing is done with a pencil, while ink is more durable than graphite. 钢笔更适合用于正式场合，比如考试、签字、写信等，因为墨水比石墨更持久。

　　Pens are necessary when someone is studying or, for example, when you are trying to master calligraphy. 钢笔适用于练习字帖。

　　例句

　　I think there are many occasions for students to write in pen, that's why teachers would teach them this skill. First, pens provide a smoother and faster writing, and the page looks more neatly. So pens are always used to write on formal occasions. For taking exams, signing receipts, legal documents, or writing letters, also use a pen. These are the occasions that students would attend in school or later life. Besides, in humanities classes, pens are more commonly used because students write words rather than draw diagrams. Meanwhile, pens are necessary when students are studying the calligraphy.

　　此环节例句中可能会涉及到的雅思part 1问题是：

　　Why do you think most teacher would teach the students to learn to write in pen?