九年级英语全册Unit9WhenwasitinventedSectionB1a1b2a2b2c3a学案无答案人教新目标版.doc
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九年级英语全册Unit9WhenwasitinventedSectionB1a1b2a2b2c3a学案无答案人教新目标版.doc
江西省萍乡市芦溪县宣风镇中学九年级英语全册 Unit 9 When was it invented Section B 1a 1b 2a 2b 2c 3a学案(无答案) 人教新目标版导学目标:1基础知识目标: 1)掌握1a-3a的重点词汇及短语。 bush remain notice produce pleasant mixture by mistake in the end by accident fall into in this way according to 2)重点句型: Potato chips were invented by mistake. The emperor noticed that the leaves in the water produced a pleasant smell.3) 掌握一般过去时被动语态。2能力目标:使学生学会正确运用被动语态谈论身边的事物3、 学习策略(Learning strategies): Scan reading 4、情感目标:通过熟悉我们周围的发明物的历史来开阔眼界,丰富自己的阅历使自己养成勤于思考,善于总结的好习惯。导学过程一、自主预习1)预习以下单词和短语1脆的_ 2咸的_ 3酸的_ 4错误的_ 5厨师_ 6撒,洒_7 厨师 _ 8 古代_ 9.留下;保持不变_10 偶然地_ 11 落入;陷入_ 12用这种方法_ 13.按照;视。而定_ 14错误地_2)单项选择1. Wood can be used for _ desks .A making B to make C made D make 2. _ Do you think the light bulb was invented _ ?_ No, I dont think so .A by mistakes B by mistake C for mistake D with nistakes 3. I think potato chips are not _ .A thinner B thin enough C enough thin D thinner enough 4. The boy makes the teacher _ .A angry B angrily C happily D angrilier5. He sprinkled lots of _ on them so they were really _ .A salty, salty B salt, salt C salty, salt D salt ,salty二、学案导学Step1. Greeting and check the homework.Step 2. Free talk:Ask the students to practices talking to each other about some inventions.A: What do you think is the most helpful invention?B:I think the most helpful invention isA: Why do you think so?B: Well, it gives meStep 3 Presentation1. Show some pictures of food and drink. Ask students what they are.2.Then ask the students to describe how food tastes. 3.Learn some new words: sweet, crispy, salty, sour, delicious, hot, awful, niceStep4. Finish the task of 1a and 1bStep5. Listening practice2a. Listen and circle “T” or “F”.2b. Complete the sentences.Languages points:in the end by mistake by accident according toStep6. 2c Pair wo rk : A: Do you know that potato chips were invented by mistake?B: I dont know.A: They were invented by a chef called George Crum.B: When was that? A: It was invented back in 1853.B: Was it an accident?A: A customer sent back his plate of fried potatoes because they were cut too thick. George cut the potatoes really, really thin. And he cooked them for a long time until they were crispy. He sprinkled lots of salt on them so they were really salty. B: Did the customer loved them?A: Yes, they asked for more. Everyone was ordering thinly-sliced, crispy, salty potato chips.B: We like them, too. A: So do I.Step7 3a Reading practice 1. Listen to the passage first.2. Give students a few minutes to read the passage and try to find the answers to the questions.3. Explain some language points.Step8 Go over the whole lessons.四、课堂测评(一)根据首字母填词 1 I took your dictionary by m_ .2 The milk is s_ .You cant drink it any more .3 Mum added salt to the soup , but it wasnt s_ enough .4 Do you know the movie star c_ Liu Ruoying ?5 P_ are used for making potato chips .(二)用正确单词填空。1Theyd like to be _ (chef) one day .2 I _ (tell) that our school team won the game yesterday .3 Last year ,vegetables _ (grow) in the garden by Nick and he _ (sell) them himself .4 Liu Mei _ ( not have ) breakfast yesterday morning .(三)完成句子,每空一词 。 1 你昨天错拿了我的手机 。You took my mobile phone _ _ yesterday .2 最终一切都会弄清楚的 。Everything will be found out _ _ _ .3 你能尝出汤里有什么怪味吗?Can you _ _in the soup ?4 这种机器是被用来扫地的。This machine _ _ _sweeping the floor .你的车是国产的吗?your car China ?