Unit 3 Inventors and inventions
The First Period Warming up
一．Aims:
1. Teaching aims 教学目标：
Help the students learn how to talk about inventions and discoveries.
重点词汇和短语free是什么意思
discovery, application, evaluate, prentation, alternative, mesnger, get together, make a ca for, add up
2. Ability aims能力目标
heroineEnable the students to talk about information and different.
二．Contents
slepStep I Ask the students to talk about the pictures with the teacher’s help, and then discuss the first two questions.
what is a discovery?
What’s the difference between a discovery and an invention?
you are my sunshine歌词Step II Work in pairs and talk about the three different things, telling them apart and giving reasons.fuck your mother
1. Which the pictures show inventions? Does any of them show discoveries?
2. Work out two rules that will help you decide what is a discovery and what is an invention?
Step III Go on with some other questions of this part.
What modern inventions do you know? Describe them to your partner and how uful they are in life today.
Step IV Work in groups of four to discuss the question: Suppo you are working for a mobile company. It is your job to suggest new ways of developing a mobile. In pairs discuss some new applications of a mobile. Make a list of the ones you like and that em the most uful. Choo one you both like and think will be popular with other people.
The Second Period Reading
一．Aims:xylophone
1. Teaching aims 教学目标
How s to describe the problem of the snakes and what has been done by the writer to solve the problem.
重点词汇和短语
Patent, distinguish, product, power, perfume, cube, abrupt, abruptly, convenient, expectat
ion, monitor, passive, criterion, valid, application, file, rod, call up, now and then, t about, in ca
2. Ability aims能力目标
Enable the students to describe the problem of the snakes and what has been done by the writer to solve the problem. Make them realize it takes steps to catch the snakes and it’s not easy to get a patent.
二．Contents:
Step I Ask the Ss to guess about the content of the passage from the title.
Then ask the Ss to judge the right order of stages of inventions.
Step II Get the Ss to comprehend the passage carefully and accurately, and then divide the text into veral parts and work out the main idea for each paragraph.
PartⅠ (Para.1) the discovery of the problem of snakes
PartⅡ (Para.2-3) the rearch on the approaches to solve the problem
PartⅢ (Para.4-6) the attempts to catch the snakes
PartⅣ (Para.7-8) the requirements of getting a patent.
Step III Ask Ss to go over the whole text again and analyze the text in details.
hanging outDiscuss the following questions:
1.What are the writing techniques of this text?
2.What’s the main idea of the text?
3.What should we learn from this text?
廉洁自律演讲稿
4.What’ the writing purpo of the writer?
Step IV Comprehending: Finish the exerci1, 2, 3.
The Third Period Language Points
一．Aims:
Talk about inventors and inventions
Learn about the stages ud in scientific rearch
二．Contents:
Step I words and phra
1. Do you know the stages every inventor must go through before they can have their invention approved?
go through
(1)经历(2)通过,成功,成交(3)审阅,检查(4)翻找,查看(5)穿过,通过
Most families went through a lot in the war.
2. I was rearching into the habits of snakes so I could trap them in the easiest way.
do rearch on /into /in... 从事, 进行, 做研究
They are carrying out a rearch into the caus of cancer.
They are doing rearch into electricity.
3. when I called up my mother in the countryside on the phone.
call up 打电话，使......回忆起
I’ll call you up tonight (call sb. /ring sb. up )
The old photo calls up memories of my childhood. (recall sth.)
4. Snakes come near the hou now and then.
now and then 有时advancement, 偶尔
I e them now and then, but not often.
5. Here was a chance for me to distinguish mylf by inventing something that would catch snakes but not harm them.
distinguish onelf 显扬自己, 使自己扬名
6. But there only emed to be powders designed to kill snakes.
powder: n. 粉，粉末；药粉；火药
grain sth. into powder 把磨成粉
7. I t about rearching the habits of snakes so I could tap them in the easiest way.
即使英文 t about 开始, 着手 The sooner we t about it , the sooner we’ll finish.
8. This was in the expectation that the snakes would bite again.
