一.Aims:
Talk about inventors and inventions
Learn about the stages used in scientific research
二.Contents:
Step I  words and phrase
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 researching into the habits of snakes so I could trap them in the easiest way.
  do research on /into /in...  从事, 进行, 做研究 
   They are carrying out a research into the causes of cancer.
   They are doing research 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.)