Unit 5 Working the Land Section C Using language ppt课件 -(2019)新人教版高中英语选修一.ppt

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1、Unit 5 Working the Land Section C Using language 目标 Know the difference between chemical farming and organic farming know the structure of an argumentative essay know the writing skills of an argumentative essay, such as illustrating, giving examples or making contrasts. MENU Leading-inPart 1 Part 2

2、 Part 3 While-class After-class Part.1 Leading-inPart.1 Leading-in (1)Look at the title of the passage and try to guess what will be talked about in the passage. (2)If you were asked to write the passage under this title,what is your structure? (1)Look at the title of the passage and try to guess wh

3、at will be talked about in the passage. (2)If you were asked to write the passage under this title,what is your structure? Here are 6 pictures.Try to find out which ones are about chemical farming and which are organic according to your background knowledge. Picture 1 organic farming;Picture 2 chemi

4、cal farming;Picture 3 organic farming;Picture 4 organic farming;Picture 5 organic farming;Picture 6 chemical farming. Part.2 While-classPart.2 While-class lead to、result in、be caused by、as a result、 consequently、why . is because/that 表因果关系 Evaluate chemical farming and organic farming What do you kn

5、ow about chemical farming? What about organic farming? 1、widespread 分布广的,普 遍的,广泛的 2、digest 消化,领会,领悟 3、nutrition 营养,滋养 4、essential minerals 极其重要的矿物 5、alternative 可供选择的事物;可供替代 的;非传统的 6、grocery 食品杂货店 7、 for instance 例子,实例, 事例 8、depth 向下(或向里)的距 离,深度 9、root 根,根茎,根部,根源 10、entirely 全部地,完整地, 完全地 Chemical fa

6、rming is farming using chemical pesticides and artificial fertilisers. Organic farming is simply farming without using any chemical. Q: Why did many farmers welcome the introduction of chemical farming? A: Its a great way to fight crop disease. Q: What concerns many people about the use of pesticide

7、s? A: These chemicals may make them ill and even cause cancer. Q: What is one problem with the use of chemical fertilisers? A: Crops grow too fast to be rich in nutrition. Q: What is one problem with the use of chemical fertilisers? A: Crops grow too fast to be rich in nutrition. Q: Why do organic f

8、armers change the kind of crop grown in a field every year? A: Using different depths of soil to help keep it rich. Q: What is the goal of using organic farming methods? Do you think it can be reached? Why or why not? A: To grow good food while avoiding damage to the environment or to peoples health

9、. FarmingBenifitProblemSolution Chemical fight crop disease and increase production sometimes harm both the land and peoples health switch to organic farming 常用表达常用表达 Recently, weve had a hot discussion about.最 近,我们就进行了热烈的讨论。 Opinions are divided on the topic.在这个话题 上,意见存在分歧。 People take different vi

10、ews on this problem.人 们对这个问题有不同的看法。 People who are for/ against the idea think that. 赞成/反对这一观点的人认为 However,. hold a different view/the opposite opinion.然而,持有不同的/相反的观点。 However, each coin has two sides.然而,事物都 有两面性。 People who are against it dont think so.反对 它的人不这么认为。 From my point of view,.在我看来, As far as I am concerned, I am for/in favour of the former/latter view.就我而言,我赞成前 一/后一种观点。 Part.3 After-classPart.3 After-class Thank you!

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