约560字。

　　2016 玉门三中 初二年级 英语 （下） 教学案 　     使用者               备课时间
　　Lesson 23: The Internet ----Good or Bad
　　主备教师 马保瑜 参与教师 初二英语组全体教师
　　审核人 李蔼芸 课    时 1课时 授课时间
　　教
　　学
　　目
　　标 1.Gras new word and phrases: advantage, disadvantage, simple, coin, cause, less, aside, attack, web, steal, banking, properly, be able to, in seconds, far away, aside from, personal information, a useful tool, tap
　　2.Grasp the structures :
　　(1)Every coin has two sides.
　　(2) Spending too much time online is harmful to people’s health.
　　3. Ability: Learn and talt “What can we do on the Internet?”
　　重点
　　难点 1. Remember the key phrases and use them freely.
　　2.  Learn and talt “What can we do on the Internet?”
　　准备 Textbook, notebook, recorder,  ppt.
　　导  学  过  程
　　Step I Lead-in：(  )
　　The teacher's instructions Students’ activities
　　Step II Learning aims:
　　(   ) The teacher write the learning aims on the blackboard and madents know what they will learn in class. The students must read the learning aims together and mare to know what to study in this lesson.
　　Step III
　　New
　　language
　　points
　　Presentation
　　(   ) Show some words by giving their meanings and some examples. Look at screen and try to spell words about this lesson
　　Read these words and recite them. Check them，then make some sentences.
　　Practice of four skills
　　(  ) 1. Listen to the dialogue carefully, and tick the correct answers.
　　2. Read the text after the teacher and pay attention to the pronunciation.
　　3. Read the text and try to understand the main idea of this lesson, then find the key phrases and sentences.
　　4. Read the lesson again and deal with the difficult points.