1、Unit 6 When was it invented? 第四课时 Section B 1a-1e( Period 4 )【学习目标】1.掌握重点单词和短语：crispy, salty, sour, customer, by mistake, in the end等2.继续 学习使用一般过去时态的被动语态进行听力训练。学习重点：掌握本课单词、短语、句型。【自主学习】I 单词1adj. 脆的；酥脆的 2 adj. 咸的 3 adj. 酸的；有酸味的 4 错误地；无意中 5 n. 顾客；客户II 词组1.错误地，无意中 2.足够咸 3.使顾客高兴 4.最后，最终 5.一个叫 George 的 厨师
2、 6.很长时间 7 在薯片上撒了许多盐III 句型1 薯条是无意中被发明的。 2 乔治想使顾客高兴。 3 顾客认为土豆不够薄。 4 薯片是一个名叫乔治的厨师发明的。 【合作探究】1.按要求完成课本上相应的任务 in 1a.2.完成 1b 部分的任务：Write the name of a different food after each word .3.听力练习。认真听老师播放录音，完成 1c, 1d。再和搭档核对答案。4两人一组，和我的搭档用 1c 和 1d 中的信息编写新对话，然后有感情的表演。【知识讲解】1. by mistake 错误地,指由于错误的判断而千百万的失误，常在句中作状语
3、。I took your bag instead of mine by mistake. 我错拿了你的手提包，还以为是我 的呢。mistake.for 把错认为, 错把当作She mistook him for the professor. 她把他错当作教授了.【巩固训练】1 根据汉语提示完成下列句子。（1）I took Janes English book (错误地) .(2) Everything will be all right (最终) .(3) He said the potatoes were not (足够细) .(4) Do you know the teacher (叫作)
4、 Zhang Lili .(5) the potato chips (被谁发明的) ？2. 根据汉语提示完成句子。（1）薯条被烹饪了很久。The potato chips just now .(2) 你知道薯条的历史吗？Do you know the potato chips ?(3) 那消息使我悲伤。The news me .3. 完型填空。The umbrella is a very common object. It keeps the _1 and the sun off the people. Most umbrellas can be folded up(折叠), so it is
5、 2 to carry them.However, the umbrella has not always been as 3_ as it is now. In the past, it was a symbol of importance. Some African countries still use umbrellas in this _4 . “Someone carries an umbrella and walks behind the king or important person.Umbrellas are very old. People in different pa
6、rts of the world began to _5 umbrellas at different times. The Chinese had them more than 3,000 years ago. From there, umbrellas _ 6 to India and Egypt. In Greece and Rome, _7_ wouldnt use them. They believed umbrellas were only for women.England was _8 _ the first country in Europe where common peo
7、ple used umbrellas against rain. The weather there is very _ 9 and umbrellas are very useful.Everybody uses umbrellas today. The next time you _ 10 one, thinking that for centuries only great men and women used them, youll feel you are important people, too. （ ）1. A. rain B. cloud C. air D. water（ ）
8、2. A. lovely B. cheap C. hard D. easy（ ）3. A. light B. heavy C. common D. special （ ）4. A. way B. size C. reason D. place（ ）5. A. discover B. use C. Examine D. discuss （ ）6. A. walked B. traveled C. rode D. flew（ ）7. A. children B. pa rents C. men D. women （ ）8. A. probably B. already C.suddenly D. immediately（ ）9 A sunny B rainy C snowy D windy ( ) 10. A. Sell B. Return C. Borrow D. candy课后反思_
