Saving the earth（The Third Period）

the third period
teaching aims :
1. revise and master some useful words, learning how to remember english words.
2. learn the grammar: inversion.
teaching important points:
1. learn to use some derivative words.
2. learn to use inversion.
teaching difficult points:
how to help the students use partly and fully inverted sentences correctly.
teaching methods :
1. practising to master the language points.
2. elicitation and inductive methods to help the students master inversion.
3. individual or pair work to make every student work in class.
teaching aids:
1. a projector
2. the blackboard
teaching procedures:
step i greetings
greet the whole class as usual.
step ii revision and lead -in
t: yesterday we read a passage about the earth summit and some of the major
problems facing the world. through the passage we know at the earth summit, representatives from more than one hundred countries discussed some of the most important problems facing our planet. up to now, several earth summits have been held and much progress has made. can you tell me in which city the earth summit was held?
ss: johannesburg in south africa.
t: do you remember one of the main themes of the earth summit？and what was it?
ss: yes. it was sustainable development, or the question of how we can continue
 developing the world without damaging the environment.
t: what are the three biggest killers in the world?
ss: contaminated drinking water, poor sanitation and air pollution.
t: what other problems did the speakers speak about?
ss: poverty, war and violence.
t: what did china's then premier zhu rongji stress?
ss: the need for equality and fairness in the world.
t: how can we save the earth?
ss: by changing the way we live.
t: what is the key to the future?
ss: education.
t: quite right. the earth summit is not just about problems, but also a place to find solutions for the future. we should believe that the future of our planet must be more and more beautiful with the whole world's effort, today, we'll learn to use the language points appearing in the passage. first, word study. then grammar-inversion.
step iii preparing for word study
 (teacher shows the following on the screen. )
adj.                          n.
lonely                      _______
willing                     _______