人教版高中英语必修四unit2Working the land Using language 课件 (共18张)

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名称 人教版高中英语必修四unit2Working the land Using language 课件 (共18张)
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资源类型 教案
版本资源 人教版(新课程标准)
科目 英语
更新时间 2019-04-10 10:25:54

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课件18张PPT。Extensive readingQuiz competitionDebateUnit 2 Working the land Using language readingLet’s have a quiz!Guess:
What is it? It is a place.
2. There are a lot of food coming from here.
Farmers work at it.
a farm1. It is a kind of vegetables.
2. It is good for people's eyes.
3. Rabbits love it very much.1. It is a part of plant.
2. Plants cannot live without it.
3. It provides nutrition for plants from soil.1.It comes from factories.
2.Some people think it is helpful to crops while others don't think so.
3.It helps farmers stop crop diseases and increase crop production.chemical farming1.It is a kind of farming.
2.It is very common over the past half century.
3.People use fertilizers to stop diseases and increase production.
1. It is also a kind of farming.
2. People think it is good for people's health.
organic farmingPre-reading:
What do you
know about
chemical farming
and organic farming? Reading : pair-work Listen to the passage, and find the general idea of each paragragh quickly. *Some problems are caused by chemical farming.
*People are turning to organic farming.
*How does organic farming make the land healthy ?
*Chemical farming is very common in the past.
para1
para2
para3
para4Careful reading: para1&2stop crop diseaseincrease crop production.damage the land.damage the ground the underground water.food without much nutrition.
affect crops, animals, humans.Careful reading: para3&4Consolidation :
discussion
find more advantages
and disadvantages of chemical fertilizers beyond our passage.Debate:
Should we use fertilers?
The great women
VS
The great men Homework:Write a passage
about today's debate:
should we use
fertilizers today?The pattern of your composition:

Today, our class held a debate about whether we should use fertilizers, about which differnt students have different ideas.
Some students thought that we should use fertilizers. They believed that ___. Besides, ___.
But other students were against it for the following reasons. On the one hand,___.On the other hand,____.
In my opinion, we ___. Because ___ is the most important to us now.