冀教版八年级英语下册Lesson 23教学设计

教师活动 Step 1: Greetings T: Class begins! Ss: Good morning, Ms. Yu. T: Good morning, class. Sit down, please. Please sit up straight. Step 2: Lead in T: Please look at this picture. What can you think of after seeing the picture? Guess a word. Ss: Internet. T: Very good. Then what do you usually do on the Internet? Ss: I often listen to music on the Internet.. Ss: I often play games on the Internet.. .... T: There are so many things we can do on the Internet. It is very useful. Then please look at this picture. What do you think of it? Ss: It is bad for people’s health. T: Right. So is the Internet good or bad? With this question, let’s learn Lesson 23 together to find out the answer. Step 3: Learning aims T: First, please look at the learning aims. Let’s read it together. Ss: 1.To understand the passage about the Internet. 2. To learn some useful words and expressions about the advantages and disadvantages of the Internet. Step 4:Read the text and underline the words you don’t know how to read. Now please read the text aloud and underline the words you don’t know how to read. Step 5: Listen to the tape Now let’s listen to the tape. Pay 学生活动 The students greet me politely. The students listen to me carefully and answer my questions at the same time. The students read the learning aims together. The students read the text aloud and underline the words they don’t know how to read. The students listen to the tape and correct their pronunciations and then think about 2

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attention to the words you just underlined.And then tell me what the passage mainly talks about. Are you ready? T:Now who can tell me what the passage mainly talks about. S:It mainly talks about the advantages and the disadvantages of the Internet. T: Very good. Step 6: Listen part 1. T: Now please listen to the tape. Just listen. Then tell me what it talks about. S: It tells us the advantages of the Internet. T: Good. Step 7: Listen to part 2. T:This time, let’s go on listening. Also just listen,then tell me the main idea. S: It talks about the disadvantages of the Internet. T: You’re right. S: The passage mainly talks about how Jenny, Danny and Brian use the Internet. Step 8:Read the passage again and fill in the blanks. T:Please read by yourselves. And then fill in the blanks about the advantages and disadvantages of the Internet. T: OK. Time is up. Who can answer the question? Ss: The advantages of the Internet are.... and the disadvantages of the Internet are... T: Ok. Please read it by yourselves. Step 9: Discuss in groups T: I’ll divide you into 10 groups. Five groups stand for A that is for the opinion. The other five groups stand

the question. Some students answer the question. The students listen to part 1 and answer my questions. The students listen to part 2 and then answer the questions. The students read the text again and do the exercise. The students answer the questions. The students discuss in groups and then have a debate competition. 3

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for B that is against the opinion. Which group is faster, who is the winner. Step 12: Use the Internet properly. Every coin has two sides. The Internet can be a useful tool,but don't let it take up all of our time. Use the Internet properly and carefully and it can make our life more colorful. The students know how to use the computer correctly. 4