UNIT4 The Internet Connects Us Lesson21教案冀教版八年级下册

UNIT 4: The Internet Connects Us Lesson 21 Books or Computers LESSON PREPARATION LANGUAGE KNOWLEDGE 掌握词汇：appear, modern, electronic sell (sold/sold) 接触词汇：press 短语和句型：pass on, by hand, printing press. keep on RESOURCES audiotape large strips of construction paper LESSON STRUCTURE CLASS OPENING Greeting Greet the class. Teacher: Good morning/afternoon, class. I have some funny jokes for you today. Write three jokes (related to the Internet) on the board. Read them aloud and then discuss the concept/meaning of the letter "e" before each word. Explain that "e" stands for electronic. So"e-mail" really means "electronic mail". Sample jokes: Do you like web jokes Yes, they're e-larious. What do you call a fire at an Intemet cafe An e-mergency. How do you fix a broken website With stick e-tape. Review 1)Homework check. 2)Choose some students to present their list and short passage "How Computers Help Me". KEY CONCEPTS FOCUS STRUCTURES: They wrote each word by hand. Information travels faster and farther. STEP 1: Present CLASS WORK: Think About It and Culture Tip Discuss the Think About Ir questions as a class. 2) Discuss the Culture Tip. Then draw a Venn diagram on the board to discuss and display the similarities and differences between e-books and printed books. answer the questions in groups. STEP 2: Read GROUP WORK: Let's Do It! No.I 1)Instruct the students to read Lesson 21 and 2) Check, discuss and correct the answers as a class. Teach the mastery words for this lesson (appear. modern, electronic, sell) STEP 3: Practice and Play CLASS WORK: Let's Do It! No. 2 1) Divide the class into groups and have every group write out each sentence from Let's Do lt! No.2 on a separate strips of construction paper. 2)Then challenge the groups to put the sentences in the correct order. The first group to complete this task in the shortest amount of time wins. Remind students that they may need to skim through the reading to complete this task. Teaching Point Skimming is useful when you want to get the main point(s) of a longer piece of writing. If a student has an hour to do some research and is presented with 10 textbooks, then he does not have the time to read them all through. He must try to make the most of his time by quickly skimming each book and choose the most relevant one. Skimming can also be an effective way of quickly reviewing something that has been read previously. so that the reader can recall the most significant parts. STEP 4: Task PAIR WORK: Let's Do It! No. 4 1) Instruct the students to work in pairs to discuss whether they prefer e-books or paper books and why. 2)Then ask the students to write a dialogue based on their discussion. Students should use the adverbial clause with "if' in their dialogue and as many mastery words from this unit as possible. 3) Ask some pairs to present their dialogue in front of the class. 2) Assign homework: The Printing Press or the Internet: Answer Li Ming's question in a short passage. Choose a ... ...