Unit 6 When was it invented? SectionB（1a-1e）学案 人教版英语九年级全册

Unit6 SectionB（1a-1e）
学习目标
【知识目标】
Important words：sour，crispy，salty，customer
Important sentences：
1．—Did you know potato chips were invented by mistake？—Wow，I didn't know that.Who invented them
2．The customer thought the potatoes were not thin enough.
3．Finally he put lots of salt on them so they were salty enough.
【能力目标】
能够通过听、说学习与食物有关的词汇。
【情感目标】
让学生通过阅读理解如何用一般过去时的被动语态描述发明史。
学习难点
重点：重点单词及短文：sour，by mistake，cook，。
难点：学会用一般过去时的被动语态对更广泛的发明进行描述
学习过程
温故知新——复习前一节课学习的语法，巩固练习。
一、根据所给词的正确形式填空。
1. The boy _____________(punish) by his mother yesterday.
2. The old man ___________(pay) only 200 dollars as salary last month（工资、薪水）.
3. It ___________(say) the aliens（外星人）are from another planet（行星）.
4. The short novel______________ (write) by a common girl.
5. _________ the umbrella _________(take) out by someone yesterday
6.The rubbish ___________ (throw) everywhere when they got there .
7.Yesterday , the children _________ (tell) to stay at home in Tom’ family.
8. An hour _________ (spend) on his homework by him last Sunday .
参考答案：1.was punished 2.was paid 3.is said 4.was written 5.Was , taken
6.was thrown 7.were told 8.was spent
二、将下列句子改为被动语态。
1. They solved the problem by themselves yesterday.
_______________________________________________________________________________
2. Somebody looked through my information.
_______________________________________________________________________________3. Did the boy draw a picture of his father
_______________________________________________________________________________
4.My parents didn’t allow me to go out in the past.
_______________________________________________________________________________
5.He lost his keys on the way to school.
______________________________________________________________________________
达标检测
翻开P45，并按1a,1b部分要求完成课本上相应的任务，然后邀请几名同学给出自己的答案，并把收集的答案列举在黑板上。
然后完成根据句意及首字母提示完成句子。
1）．I don't like lemons because they are too sour__．
2）．Lucy and Lily are twins.People often mistake__ them for each other.
3）．For a restaurant，customers__ are the most important.
4）．The fish was too salty__ because my mom put too much salt on it.
5）．We often put the food into the fridge__ to keep it fresh in summer.