A man who never gave up教案

unit 7 a man who never gave up
lecturer: cheng wenjun
title: lesson 25 (the1st period)
teaching aims:
1. learn to talk about the new inventions orally.
2. understand the whole lesson and read it fluently.
3. master the following materials:
words: able, neatly, own
phrases: be able to, keep working on it, change the world more, the second most useful invention
sentences: i’m trying to get it to write more quickly.
       which of these would you most like to own?
learn the use of the infinitive: (1) as object,（2）as the object complement, (3) as adverbials
emphasis and difficult points:
1. the main points --- (1)&(2) in the teaching objectives
2. the difficult points:
 (1) get sth. to do sth.
 (2) the difference between “be able to” and “can”  
(3) the second most useful invention: the combination of the ordinal number and the superlative degree.
 (4) try to understand its structure “which of these would you most like to own?”
teaching imagination:
1. rewrite the dialogue into an article to develop the ss’ analysis abilities
2. develop the ss’ thoughts by discussions
teaching aids: a tape recorder; the bb.

teaching procedure:
step 1  revision
go over the names of some inventions.
t: well, we know edison was a great inventor. he invented a lot of things all his life. nowadays, there are more and more inventions.
what inventions do you know?
(light, telephone, television, radio, computer, …)
step 2  read and say
david try to invent something today. what does he want to invent?
 let’s go on to learn unit 7, lesson 25.

part 1
listen to part 1 and answer the following questions.
1. what is david doing?
2. why is he doing that?
3. does it work?
teach: (1)get it write more quickly讓它寫得更快。 get sb. to do sth.
(2)be able to 與 can的區(qū)別
  時態(tài)：be able to 用于不同的時態(tài)；can只有原形過去形式
  意義：be able to 能做某事；can有更多的意思，如：表示允許；表示猜測
(3)neatly  adv.  write neatly; put the books on the shelf neatly
(4)keep doing sth.= not give up doing sth.
(5) work on sth. 從事…
ask the ss to read and act it.
step 3  ask and answer
part 2 of page 31
t: david wanted to invent a new pen. if he can, that is a new invention.
the inventions have changed the world a lot.
which inventions do you think have changed the world more?
then show the four old inventions.
look at page ii and talk about it. ask and answer in pairs by using the questions in part 2.
(teach: change the world more; the second most useful invention;