初中英语人教版（2024）九年级全册Section B教案

这是一份初中英语人教版（2024）九年级全册Section B教案，共4页。

Teaching Aims
1.语言能力：写一段话来介绍和推销自己的发明。
2.文化意识：鼓励学生保持对科学发明探索的兴趣。
3.思维品质：学习多角度地介绍一种发明。
4.学习能力：用一般过去时的被动语态介绍一种发明，包括发明的时间，被谁发明的以及发明的目的。
Teaching Difficulties
用一般过去时的被动语态介绍一种发明。
Teaching Aids
multimedia curseware r ther realia that the T needs fr teaching
Teaching Prcedures
Tips
Step 1 Warming up
Tell a simple stry abut a by whse grandfather has Alzheimer easily get lst t Ss. Ask Ss if they were the by, what they wuld d.
A by was grwing up in a family with three generatins. He has always been very clse t his grandfather. Hwever, his grandfather is a Alzheimer patient . One day, his grandfather was walking in a park with him, but suddenly, his grandfather gt lst. He said that was ne f the scariest mment in his life and he wanted t find ut sme way t keep his grandfather’s safe. If yu were the by, what wuld yu d?
Shw the by’s vide t Ss. Ask them what the by did t keep the safe f his grandfather.
Ask Ss t cmplete a chart abut the inventin that mentined in the vide.
(Tip: In rder t help Ss finish the task better, T can shw this chart befre watching the vide and ask Ss t take ntes while watching. After all the Ss have finished the task, T can ask Ss t check their answers with a partner.)
Let Ss wrk in a grup f fur. Ask them t think abut the questins:
D yu think the pressure sensr sck is useful? If yu were a businessman, wuld yu like t sell this inventin t thers? Hw wuld yu intrduce it t yur custmer?
Ask Ss t write a shrt passage t intrduce the pressure sensr sck. T can shw them the flw chart f writing. Encurage each grup t share their writings t the class.
Step 2 Presentatin & Practice
Pre-writing
3a
Ask Ss t think f smething that they dn’t like t d. Then think f an inventin that culd help.
(Tip: It wuld be very easy fr Ss t think abut utrageus slutins fr what they dn’t like ding. Encurage them t think abut practical slutins. This is nt t say that they cannt think ut f bx. They just need t make sure that their recmmended slutins d nt invlve the impssible.)
While-writing
3b
Suppse Ss are businessmen, ask them t write descriptins fr their inventins.
(Tip: T can use the flw chart n PPT P9 t help Ss rganize their writings. Shw Ss the sample writing if necessary.)
Pst-writings
Divide Ss int several grups, ask Ss t read their passages in the grup ne by ne. Ask each grup t vte fr the best passage, then invite the S wh wrte the “best passage” t read his/her passage fr the class.
Self Check
Exercise 1
Ask Ss t cmplete the passage with crrect frms f the wrds in the bx.
Answers: invent, all f a sudden, dubt, websites, mentin
Exercise 2
Ask Ss t rewrite the sentences using the passive vice.
Answers: 1.My watch was stlen (by smene).
Five eggs were used (by them) t make this big cake.
When was the persnal cmputer invented?
We were asked nt t run in the hallway.
The vide was taken back t the stre (by smene).
Exercise 3
Ask Ss t find ut mre infrmatin abut an inventin they wuld like t knw.
(T can ask Ss t lk up fr infrmatin abut the inventin they want t knw at hme and share with ther in next class.)
Step 3 Summary & Hmewrk

Summary
Ask Ss t d the exercises frm PPT P19-22.
Hmewrk
Preview 1a-1c in Unit 7.
D the exercises in students’ bk.
Teaching Reflectin
This is the last perid f the unit. It is imprtant t get the students t use what they have learned in the unit t write smething.We will d a lt f wrk t review the wrds and expressins abut inventins. We can ask the students t make a summary f the passive vice. And then d the exercises.