以下是2021九年级上册英语第一单元的一些重要句子：I practiced my pronunciation by reading the textbook.（我通过读课本来练习我的发音。

）How about watching English movies to practice spoken English?（看英文电影来练习英语口语怎么样？）It is important for students to learn English well.（对于学生来说，学好英语是重要的。）So far, I have learned 2,000 words.（到目前为止，我已经学会了2000个单词。）The more she thought about it, the sadder she became.（她越想这件事越伤心。）"How did you study for the exam?" "By working with my friends."（“你是怎样备考的？”“通过和我的朋友们一起学习的方式。”）He told me about that through an email.（他通过发邮件的方式把那件事告诉了我。）这些句子涵盖了第一单元的一些重要主题和语法结构，希望对您的学习有所帮助。