UNIT4 The Internet Connects Us Lesson23教案冀教版八年级下册

UNIT 4: The Internet Connects Us Lesson 23: The Internet- Good or Bad LESSON PREPARATION LANGUAGE KNOWLEDGE 掌握词汇：advantage,simple,coin,cause,less. steal (stole/stolen) 接触词汇：disadvantage,aside,attack,web banking. properly 短语和句型：in seconds, far away, Every coin has two sides. aside from, take up RESOURCES .audiotape LESSON STRUCTURE CLASS OPENING Greeting Greet the class. Teacher: Good morning/afternoon. class. Today I have some fun trivia for you about the Internet. Trivia is fun facts. Internet Trivia Questions: 1. Did you know the Internet was invented in the U.S during the late 1950s to 1970s 2. Did you know the first emoticon(表情)looked like this -) It was meant to be a happy face, and later it came out with this :-) 3. Did you know the first message sent over the Internet was "LOG" It was supposed to be "LOGIN" but the Internet crashed Review 1) Homework check. 2) Review key structures and phrases from the last lesson. KEY CONCEPTS FOCUS STRUCTURES: Aside from that, some people attack the web or use the Internet to steal others' personal information. even banking information. STEP 1: Present CLASS WORK: Discussion and Think About It 1) Introduce the theme of today's lesson. Teacher: In today's lesson we will talk about some of the advantages and disadvantages of the Internet. Even though the Internet is a great tool every coin has two sides. That is an English saying that means there are two different ways of looking at something. Write the saying Every coin has two sides. on the board. Explain. Students should master the word coin. Teacher: How do you say "coin" in Chinese Do we have a similar saying in Chinese Students：硬币。一个硬币有两个面：凡事都有两面性。 Teacher: Well done. Why is it important to consider the good things and bad things about something Try to answer this question using an adverbial clause with "if". Students: If you only look at one side (good or bad). then you only have half of the information. Teacher: Right. 2) Instruct the students to look at the pictures in this lesson and read the captions below. Discuss whether these are advantages of the Intenet. Teacher: What are some of the good and bad things about the Internet Make a list of advantages and disadvantages of the Intemet on the board. Advantages It helps you communicate and connect with people everywhere (i.e, online chat, e-mail). 2. It heips us share information quickly. 3. It's a good research tool. Disadvantages I. Not all of the information you read on the Internet is true. 2. Spending too much time on the Intemet (chatting. watching movies, ete. can be bad for you. 3. Some people use the Internet to do harm to others. 3) Ask two student volunteers to read the Thin About /t questions aloud to the class and make sure the students understand what each question is asking. Explain the word "simple". Students should master this word. 4) Divide the class into groups to discuss the Think About It questions. Then have the groups share their answe ... ...