2018届九年级英语全册unit6whenwasitinvented第4课时学案新版人教新目标版.doc

1Unit 6 When was it invented?Section B (1a—1d) 【学习目标】1.会听说读写下列词汇：crispy; salty; sour; by mistake; customer；by mistake; thin enough; salty enough; make the customer happy; in the end; potato chips2. 能正确使用语法要点中的句型：（1）Potato chips were invented by mistake. （2）The customer thought the potatoes thin enough.（3）The customer said they were not salty enough.（4）George wanted to make the customer happy.（5）The customer was happy in the end.【重点难点】理解并讨论薯条的发明熟练运用语法要点中的句型和他人对话；一般过去式被动语态的用法新知预习】根据句意及首字母提示完成单词1. The glass is very c_________. You should be careful. 2. The soup is very s_________. You shouldn’t put so much salt into it.3. The oranges are not sweet at all, instead, they are kind of s_________.4. He put salt in her cup of tea by m_________.5. His brother is a good cook, many c_________ go there to enjoy his cooking.【课堂探究】1. salty 咸的(教材第 45 页) salty 形容词，意思为“咸的；含盐的” ，是由名词“盐，食盐”加-y 构成的形容词。

The boy didn’t have much for dinner because the dishes were too salty.这个男孩晚餐吃得不多，因为菜太咸了拓展】 “名词+-y”构成形容词:在英语中，很多名词后加-y 可以构成形容词，如：cloud—cloudy wind—windy rain—rainy sleep—sleepy sun—sunny【针对练习】( ) What nice weather！It’s_________.A. sun B. suny C. cloud D. sunny 22. The customer was happy in the end.最后顾客高兴了in the end 意思为“最后；最终 ”，相当于“at last”, finally,其后不接 of 短语夲短语强调虽然最初……，最后还是产生了一个……的结果They were out of danger in the end.他们最后脱险了拓展】at the end of… 在……结束时，后接表示时间的名词；在……尽头，后接表示地点的名词by the end of… 在……以前，到……为止，常用于将来时态和过去完成时态的句子中。

他最终赢得了比赛的胜利He won the match________ ________ _________.【达标练习】I. 用所给词的适当形式填空1. They thought the potatoes __________ (be not) thin enough.2. A cook __________ (call) George Crum invented potato chips.3. Too much salt __________ (put) on the turkey.4. The noodles are too _________ (salt). We don’t want to eat them.5. The boy didn’t like to eat potatoes, because they _________ (cut) too thick.II. 选择填空1. Paper and printing ________ in China.A. were both invented B. was invented C. are both invented D. is invented2. Yesterday I took a man’s bag ________, and he was very angry with me.A. by mistakes B. by mistake C. with mistake D. with mistakes3. The lab ________ about five years ago.A. built B. is built C. was built D. has been built4. The customer thought the potatoes ________.A. weren’t thin enough B. aren’t thin enoughC. aren’t enough thin D. weren’t enough thin5. He ________ the potato chips until they were crispy.A. stopped to cook B. didn’t stop to cookC. stopped cooking D. didn’t stop cookingIII. 根据所给汉语完成英语句子。

1. 它们是由于一次错误而被发明出来的They were invented ________ ________. 32. 今天你烧的鸡蛋汤已经够咸的了，不用再放盐了The soup you cook today is ________ ________. Don’t put any salt into it. 3. 什么事让你这么高兴？ What ________ you so ________? 4. 直到他明天回来我才能告诉他I won’t tell him ________ he ________ back tomorrow.5. 冰不够厚，不能滑冰The ice wasn’t ________ ________ for you to skate on.IV. 句型转换1. A cook invented potato chips by mistake. (改为被动语态)Potato chips _________ _________ by a chef by mistake.2. He sent back his plate of fried potatoes because he said they were too thick. (就画线部分提问)________ ________ he ________ back his plate of fried potatoes?3. He cooked them until they were crispy. （改为同义句）He didn’t ________ ________ them until they were crispy.4. He thought the customer would hate what he cooked. (改为同义句)He ________ ________ the customer would like what he cooked.5. How cool the story was!（改为同义句）________ ________ cool story!V. 用所给单词的适当形式填空，使短文内容完整通顺。

Did you know that potato chips 1 (invent) by mistake? Chips were invented by a chef 2 (call) George Crum in 1853. George Crum 3 (cook) them for a long time until they 4 (be) crispy. And he sprinkled lots of salt on them so they were really 5 (salt).1._________ 2._________ 3.__________ 4.__________ 5.__________6._________ 7._________ 8.__________ 9.__________ 10._________●Time, Time again, I ask myself （请写出这节课你的收获，完成下面的反思）【学后反思】九年级英语第 6 单元学案参考答案第四课时4【新知预习】1. crispy 2. salty 3. sour 4. mistake 5. customers 【课堂探究】1. D 2. in the end【达标练习】I. 1. weren’t 2. called 3. was put 4. salty 5. were cutII. 1. A 2. B 3. C 4. A 5. D III. 1. by mistake 2. salty enough 3. makes; happy 4. until; comes 5. thick enoughIV. 1. were invented 2. Why did; send 3. stop cooking 4. didn’t think 5. What aV. 1. were invented 2. called 3. cooked 4. were 5. Salty 。