Unit 19　Modern agriculture
Ⅰ.Teaching Goals:
1.Talk about modern agriculture and the effects it has on people's life.
2.Practise giving advice and making decisions.
3.Use “It” for emphasis.
4.Read statistical graphs.
5.Write a plan for a vegetable garden.
Ⅱ.Teaching Time:
Five periods
Ⅲ.Background Information:
The First Period
Teaching Aims:
1.Improve the students' speakingability by practising giving advice and making decisions.
2.Enable the students to master the expressions of giving advice and making decisions.
3.Get the students to learn more about agriculture.
Teaching Important Points:
1.How to express oneself,using what is learned or given.
2.How to advise sb.to do something and how to make decisions.
Teaching Difficult Points:
1.The usage of some expressions.
2.How to improve the students' listening ability.
Teaching Methods:
1.Listening some materials to improve the students' listening ability.
2.Discussion to let the students express themselves freely.
3.Group work or pair work to give every student a chance to express themselves.
Teaching Aids:
1.a tape recorder
2.a projector and some slides
3.a computer
Teaching Procedures:
step Ⅰ.Greetings and Revision
T:Good morning,everyone.
Ss:Good morning,teacher.
T:Sit down,please.In this class,I'll check your homework first,Wang Ping,read your homework to us,…
(The teacher checks the students' homework and have a discussion with the students about the mistake Wang Ping made.Let the students have a clear understanding and correct it.)
step Ⅱ.Preparation for listening and speaking
T:Today,we're going to learn a new unit,Unit 19,Modern Agriculture(Teacher writes the following on the blackboard:Unit 19 Modern agriculture,the First Period).First,let's learn the new words of this period.Look at the screen:
New words:
produce n.产量、产物、农产品
effect n.结果、影响、作用
dike n.堤坝；排水沟
drought n.干旱
leader n.领导者　
lead v.领导、带领
cane n.细长的茎、藤条
sugar-cane n.甘蔗
tobacco n.(烟草)制品；抽烟
local adj.地方的、当地的
(Teacher asks one student to read the new words,then corrects the mistakes the student made.)
Step Ⅲ.Warming up
T:Please turn to Page 32.Let's do Warming up.(Teacher shows the graphs on Page 32 on the screen.)Look at the two graphs and discuss the questions on Page 32.You can do it in pairs or groups.In a few minutes,I'll ask some students to talk about them.(Students begin to discuss the questions.And teacher goes and joins them.A few minutes later,teacher says the following.)
T:Are you ready?Who can give us a talk about the first topic?SA,how are people's eating habbits changing over the years?
SA:From the first graph,we can see that the eating habits of the people in our country have changed greatly.Before 1949,they had not enough to eat and often went hungry.Once natural disasters happened,a great number of people would die of hunger.Before the reforming and opening to the world,grain was still a big problem.People mainly lived on corn and few kinds of vegetables.Since the 1980s,especially the 1990s,people's eating habits have greatly improved.People can eat whatever they want.More and more people eat less grain,more meat and eggs and so on.More and more people turn their eyes to meat,eggs,milk and all kinds of green vegetables.
T:Why do you think this happens,SB?
SB:It is all because of the Party's good policies.
T:Very good.It is true and everyone can see that.How has agricultural produce changed during the first half of the 1990s?And what do you think caused these changes?
SC:From the first half of the 1990s,scientists started to develop new techniques to increase agricultural production without causing damage to the environment.Especially the new technique, “GM”,has made agricultural production increase conti
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