Learning about Language教学设计模板

Unit2 Working the land 第二篇课文学案

课

题:

Unit2 Working the land (英语④)

学习目标:

Learn the text on Page14

(学习课本14页课文)

学习重点:

The understanding and the language points in the text.

(课文内容的理解及其课文中相关知识点的掌握) 课前准备：

阅读课文内容并完成下面Step2中关于课文理解的习题。

Teaching steps：

Step1

Have a check about the last period.（检查上节课内容

）

Step2

Reading

阅读课本14页课文，并完成下面问题

Part I :

Read the text paragraph by paragraph and answer the following:

Paragraph.1 (1)What is organic farming

_______________________________________________________________________ Paragraph.2 (2) What are the advantages of using natural fertilizer

______________________________________________________________________

_______________________________________________________________________ (3) What are the disadvantages of using chemical fertilizers

______________________________________________________________________

_______________________________________________________________________ Paragraph. 3 (4) How many ways do organic farmers use to keep the soil fertile (rich) and what are they ?

_______________________________________________________________________

______________________________________________________________________ Part II:

Summing up the main idea of each paragraph

Para 1__________________________________________________________________

Para 2__________________________________________________________________

Para 3__________________________________________________________________

Step3 : Learning the language points

1. chemical or organic farming 化学耕作还是有机耕作

2. Over the past half century, using chemical fertilizers has become very common in farming.

经历过去的半个世纪，在耕作中使用化肥已经很普遍。

(1)over the past half century 经历过去的半个世纪

(2)using chemical fertilizers

动词的ing形式（动名词）作主语，谓语动词用单数

(3)chemical fertilizers

（化学肥料）化肥

(4)common 普通的，常见的usual惯常的，符合惯例的

(5)in farming.在耕作中

3. a great way to stop crop disease and increase production（作定语）

一种防治农作物病虫害和提高产量的重要办法

increase production/ output / harvest提高,增加产量

stop crop disease防治农作物病虫害

4. long-term use of sth.

对、、、的长期使用

5. cause damage to = do damage to = be harmful to

对、、、有危害

6. be dangerous to people’s health 对人们的健康有危险

7. the problem caused by chemical fertilizers 有化肥引起的问题

caused by chemical fertilizers 过去分词短语作定语

8.wash off

洗掉(冲走,忘却)

Please wash that mud off (your boots) before you come in.

请你先把（靴子上的）泥洗掉再进来. 9. These chemicals in the food supply build up in people’s bodies over time.

随着时间的推移，食物中的这些化学成分会在人体中堆积。

over time

随着时间的推移

build up 逐步建立，逐步增强壮大，逐渐增加或积累

10. In addition, fruit, vegetables and other food grown with chemical fertilizers usually grow too fast to be full of much nutrition.

另外，被用化肥种植的水果，蔬菜和其他食物通常生长的太快而营养不足。

(1)in addition = what’s more = moreover= furthermore 另外、再者，此外，还有、、、

(2) grown with chemical fertilizers过去分词短语作定语

(3) be full of = be filled with

充满

11. turn to 求助于,转向

The more depressed he got, the more he turned to drink. 他情绪越低落越是借酒浇愁. * The child turned to its mother for comfort

['kʌmfət]. 那孩子向母亲寻求安慰.

另：

turn a deaf ear to sth. 不听；不理睬

turn a blind eye to sth. 不看；不理睬

Turn away转变方向；（转脸）不睬；打发走

turn back转过身来；赶回去

turn down拒绝；驳回；旋小

turn in归还；缴还

turn off 关上

turn out 证明是，结果是，实际情况是

turn up露面, 出席, 旋大

12. keep their soil rich and free of disease 保持土壤肥沃并且免受病害

free

from/of sth

免于，不受或影响:

free from harm 不受伤害

free of weeds , pollution, etc 无杂草、

污染等

a holiday free from all responsibilities 摆脱一切责任的假期. 13. 、、、this makes the soil in their fields richer in minerals

这样会使地里的土壤更富含矿物质。

be rich in在...充足(充裕)

Oranges are rich in vitamin ['vaitəmin] C. 橙子含有丰富的维生素C. 14. keep the soil fertile

保持土壤肥沃，营养丰富

15. They often change the kind of crop in each field every few years

他们经常每隔几年就换种农作物

(

every few years每隔几年) 16. Crops such as peas or soybeans put important minerals back into the soil, making it ready for crops such as wheat or corn that need rich and fertile soil.

像豌豆，大豆这样的农作物将重要的矿物质放回土壤，结果是使之为一些要求土壤肥沃的农作物做好准备，比如玉米或小麦。

（1）such as像、、、一样

（2）put、、、back into把、、、放回

（3）making it ready for crops such as wheat or corn that need rich and fertile soil 现在分词短语作结果状语。

17. avoid damaging the environment or people’s healthy 避免损害环境或人们的健康

avoid doing sth

避免做某事

She tried to avoid answering my questions.

她试图避而不答我的问题。

He is a fugitive from justice trying to avoid being caught by the police.

他是逃犯，正试图逃避警方的追捕。

Step 4

A quit for this period

(当堂检测) 1. chemical or organic farming ____________________ 2 over the past half century ______________3.（化学肥料）化肥__________________ 4. in farming. _____________

5. stop crop disease_____________________ 6. increase production/ output / harvest

_________________ 7. long-term use of sth.___________

8. 对、、、有危害_____________________ 9. be dangerous to __________________

10. 洗掉(冲走,忘却)___________________ 11. 随着时间的推移__________________________ 12. 逐步建立，逐步增强壮大，逐渐增加或积累___________________________ 13. 另外、再者，此外，还有、、、_________________________________________ 14. 充满(2个) ________________________________________________ 15. 求助于,转向

_______________________16. turn out_________________________ 17. turn up__________________________

18. turn down_________________________ 19. 免于，不受或影响:________________

20. 在...充足(充裕)___________________ 21. keep the soil fertile __________________ 22. every few years ____________________ 23. 避免做某事

_____________________________