单项选择题

Reading authentic writings is one of the best ways to ______ our English vocabulary.

A.spread
B.extend
C.organize
D.enrich
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下面是一篇小学对话教学的教学材料及其教学过程,请用中文从以下三个方面进行简要评析。 1.活动设计; 2.教师角色; 3.多媒体运用。 教学材料: 女: Hi, John, I have a good friend. 男: A boy or girl 女: A boy. He is tall and thin. 男: Who is he Zhang Peng 女: No, he has glasses and his shoes are blue. 男: Is he WU Yifan 女: Yes, you are right. 教学过程: 1.Greetings and Lead-in 教师让学生展示自己几年前的照片,让学生猜是谁,问题:Who is he What does he look like What does she look like What does she wear 让学生感知或复习单词,tall, thin, short, fat以及句型She has a dress on. Her dress is black and white. 2.Presentation and practice A.用PPT显示文本图片,让学生对会话有个简单预测。 B.播放对话的音频。让学生回答一个问题:Who is Mike s good friend C.播放对话的视频,让学生进一步获取信息。 What does Mike look like What does Mike wear D.用PPT呈现多张学生熟悉的明星照片,让学生在语境中熟悉掌握tall和thin等的意思。 E.播放录音,学生跟读,让学生注意语音语调。 F.听录音,学生进行pair work,分角色朗读对话。 3.Extension A.让学生描述自己熟悉的朋友或同学,让其他同学猜,老师可以先做示范。 B.根老师提供的动画片的卡通形象,学生运用本节课所学内容先在小组谈论,再上台展示。