Unit 18 Inventions 教案

 of all the 4 inventions, which do you think would be useful, why?
use the following patterns to guide them:
   i think… this invention can help people….
   i think… is much more useful then …which we use now.
some possible expressions:
   i’d like to invent a ….
   it can help people….
   it must be very convenient if people could invent….
   i dreamed i could invent….
step 3 speaking
 let the students read the passage and make them understand what they should do. to explain how the invention works and why it is useful.
 ask 5 groups to act their dialogue out in front of class.
step 4 summary
ways of describing inventions:
     this invention can help people …
     this is a new way of…
     this new invention will make it possible for people to…
     i think … is much more useful than…
     i can help/ make people…
     i’d like to invent… because it can ,,,,
     i’d like to invent… which can….
     if people can create… i suppose…
     it must be very convenient if people could invent…
     i dreamed i could invent…
ways of asking questions about new inventions:
     what does it look like?
     how does it work?
    what’s it made of?
    how would people use it?
    is there anything you would like to invent?
step 4 homework
 1. talking at p131
 2. write a short passage with the title “my ideal new invention”.
 
the 2nd period  listening
step 1 revision
 check the homework, asking the students to come to the front to read out his or her essay outindividually.
step 2 listening
 dialogue 1& 2 on p58
 students are asked to read fast the questions and  then listen to the tape twice to answer the questions.
step 3 discussion:
 think of some examples of new inventions that people were afraid of or can’t accept at first.
step 4 homework.
 listening  (wb p130)
 preview the reading.
 
the 3rd period  reading
step 1 revision
 check the homework and then ask if they have some ideas of inventing some useful things to improve our life.
step 2 pre-reading
 do the ex on p59
step 3 while-reading
main idea of each para:
 para 1. by thinking about the way we think and practicing good thinking strategies, we can become more creative.