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3.Train students listening and communicate competence.
B.过程与方法
1.Learn the new words through the conversations.
2.Lead in the target language through listening and speaking practice.
3. Autonomous and cooperative approach.
C.情感态度与价值观
1. Many important inventions have changed the word a lot. so, we must know about them better.
D.重点；
1. Master the key words and target language.
2. Learn to talk about the history of some inventions.
3. Improve students listening and speaking skills.
E.难点：How to talk about the history of some inventions.
二．教学过程
一．Show the topic: when was it invented?
Let’s read it. Then read invent—invented—invented.
Pay attention to was invented—It(telephone) invented in 1876.
二．Warm up four inventions.
Guess: gunpowder, compass, paper-making, printing.
T: They were invented in the old days.
三．Lead-in: Guess four inventions.
Guess: telephone, car, television, personal computer.
Then Task: I think the car was invented before the TV.
S:I agree, I think……/S2:I disagree, I think……
Let’s discuss the order.
四．Work on 1a:learn about the topic, then According to the history>Say
‘In what order do you think they were invented.
4—2—1—3
五．Listening. First, look at the topic and pictures.
Then let’s read the members:1876,1885,1927,1971 in English. Third: listen to the tape twice . At last check the answers.
六．Work on 1c. Practicing look on 1b