湖北省南漳县肖堰镇肖堰初级中学九年级英语全册《Unit 9 When was it invented？（第3课时）》导学案（无答案） 人教新目标版.doc

unit 9 when was it invented？（第3课时）学习目标a.知识目标 重点词汇：erispy, salty, sour, sweet, chef, sprinkle 重点短语: by mistake, thin enough,make the customer happy, in the end, sprinkle sth. on sth. 重点句型：potato chips were invented by mistake. george wanted to make the customer happy. george crum cooked them for a long time until they were crispy. he sprinkled lots of salt on them so they were salty. b.能力目标 1.学会准确描述食品味道。 2.巩固一般过去式被动语态的用法。c.情感目标 通过本课时的学习，懂得人类的科学发明创造了丰富的物质文明，激发同学们创造发明的意愿。学习过程step 1 learn the new words in p71.step 2自主研学，理解新知一。英汉互译 1. by mistake _ 2. 足够薄_3. salty enough _ 4.使顾客高兴 _5.in the end _ 6.一个名叫george grum 的厨师_7 sprinkle lots of salt on them _二.句型展示台11.potato chips were invented by a chef called jim.(定语从句) potato chips were invented by a chef _ jim.(同义句) potato chips were invented by a chef _ jim.step 3check the answers in step 1.step 4 自主完成1a,1b.step 5 小组交流答案。然后要求基础差的学生展示，并纠错。 step 6 2a 导学1. by mistake 错误的 by accident 偶然，意外地 he put salt into his tea by mistake. i saw an old friend in the street by accident.导学2.negro（黑人）negroes， hero(英雄)heroes, potatopotatoes, tomatotomatoes变复数也加es.即：黑人英雄饿（e），爱死(s)土豆和西红柿. 其它o结尾的名词变复数都只加s. 导学3.thin enough, 足够薄；salty enough 足够咸导学4.make the customer happy 使顾客高兴 ，happy 形容词作宾语the customer的补语。导学5. a chef called george grum 一个名叫george grum 的厨师 chef 名词 指酒楼或餐馆通常为男性的厨师。导学6. sprinkle lots of salt on them 在上面撒了许多盐 sprinkle sth. on sth.= sprinkle sth. with sth. 用撒在上导学7. in the end, finally, at last “最后” 1)in the end “最后，终于”可用于过去时态，也可预测将来。 we won the match in the end. he will be a teacher in the end. 2)finally 表示事情在长时间之后发生，用法同in the end 但finally 还可以用来表示顺序的终结，此时不用at last. after three hours walk, he finally got there. there are three reasons why i hate him: first, hes rude; second, hes a liar; finally he owes me money. 3)at last 指经历长时间或周折，困难，终于向好的方向发展，有了好的结局。 at last he worked out the problem.listen and check the answers.step 7 2b 教材详解：not until“直到才” they didnt finish the work until yesterday evening. (译成英语) _ 单选：( )when did your father come back last night? he did not come back he finished all the work. a. while b. if c.until d.afterlisten again. complete the sentences. then check the answers. step 8 pairwork step 9 水平能力形成性评价 一.单选（ ）1. the soup tastes _. maybe i added too much _ just now. a. salt, salt b.salty, salty c. salt, salty d. salty, salt ( ) 2.did you go to jims birthday party ? no, i _. a.havent invited b. didnt invite c.am not invited d. wasnt invited ( ) 3.he used to _ in the sun, but now he is used to _ at night. a.read, read b. reading, read c. read, reading d.reading, reading ( ) 4.these days students in some schools _ not to use mobile phones. a.ask b.asked c.are asked d.were asked ( )5.chips were invented by a cherf _ george grum. a.call b.calls c.called d.calling二. 根据句意及首字母提示补全单词，完成句子三.用所给词的适当形式填空10.the tea _(not bring) to the western world until 1610.11.the story made me_ (laugh) in the end, i was made _(stop)doing my homework.12.the photo chips were invented by a chef _ (call) george grum.13.the baby is so young that he must _ (take) good care of.四.根据汉语提示完成下列句子14.我错拿了你的衣服。（mistake）i took away your clothes