1、 Unit 9 When was it invented？（第1课时）学习目标知识目标重点单词：invent, adjustable, battery-operated, slippers, heat, calculator, scoop重点短语：be used for, in the dark重点句型：(1) When was the car invented ? (2) What is it used for ? (3 Who was it invented by ?能力目标：学会用被动语态谈论发明。情感目标：通过学习懂得人类的科学发明创造了丰富的物质文明，我们将来也应有创造发明，为社会进
2、步做贡献。Step 1 Learn the new words on P68-69.At first, let students teach them themselves, then read to follow the tape until they can read them.Step 2 自主研学，理解新知句型展示台1. A: 小汽车什么时候发明的？_ the car invented ?B: 他发明于1855年。 _ in 1855.2. A: 它是由谁发明的？ _ it invented by ? B: 是由Karl Bens 发明的。_ Karl Bens.3. A: 电动拖鞋用
3、作干什么？ What are the battery-operated slippers used for ?B: 它们是用来在黑暗中照明的。They _ in the dark. Step 3 Check the answers.Step 4 1a Look at the things below. In what orders do you think they were invented? Number them 1-5. find out 指经过观察，调查，查明了事情的真相。Step 5 1b.Listen and match the inventions with the dates
4、. Listen to the tape, and check the answers.Step 6 1c. Pairwork Step 7 2a.Listen and number the inventions in the order .导学 2 be used for 被用于，介词for 表示用途，后接名词，代词或v.ing, 相当于be used to do sth. be used by 被使用， 介词by后面接动作的执行者。 be used as 被当作使用，as 作为， 后面常接名词 be/get used to sth./ doing sth. 习惯于某事或做某事 used 是
5、形容词，to是介词。 导学 3 shoes with adjustable heels 可调整后跟的鞋子 adjustable adj. 可调整的，可调节的 作定语或表语 导学 4 battery-operated slippers 电动拖鞋 battery-operated 是由“名词+动词过去分词” 构成的合成形容词，意为“电池控制的”。导学 5 heated ice cream scoop 加热冰淇淋的勺子Step 8 2b.Listen again and match the items in columns. When students have finished them, che
6、ck the answers.Step 9 PAIRWORK Step 10 水平能力形成性评价一单选（ ）1.Do you think the old machine is _ ? Yes, its _ for carrying water. A.use;used B.useful; used C.useful; using D. use; using（ ）2.Bell _ the telephone which is still being used today. A.invented B.discovered C.found D.found out ( ) 3.A new scarf _
7、 her mother by her yesterday. A.bought for B.bought to C.was bought for D.was ought to ( ) 4.Where _ they _ ? A. were; invented B.were; invented by C.did; invent D.are; invented ( ) 5.Many teenagers show interest in the books that are written _ Guo Jingming. Thats true. My son says he can get what h
8、e thinks and wants in his books. A.by B.with C.for D.to二根据句义及首字母提示补全单词，完成句子。6.Can I borrow your c_? This math problem is too difficult.7.This kind of machine can be o_ easily, so you dont need much skill to do the job.8. I used a pair of s_ to wear at home.9.He is using the spoon to s_ out the milk.
9、10.The watch doesnt work. Maybe the b_ are run out.三用所给词的适当形式填空。.13.I think computers are _(use) inventions in the world.14. Stamps are used for _(send) letters.15.English _(speak) in China and other countries.四把主动语态变为被动语态。16.My classmates often laugh at me. I_ often _ at by my classmates.17.A young man caught the thief. The thief _ by a young man.18.You should finish the work at the end of the week. The work should _ ay the end of the week.19.We can plan the trees on the hill. The trees _ on the hill. I saw him go into the library just now. He _ go into the library just now.教/学后记：
