Learning about Language含PPT的教学设计及点评

Unit 2 Working the land Learning about Language 龙川县田家炳中学

钟春舟

一、教学目标(Teaching aims) 【知识与技能】

1.能用自己的语言用动名词描述像袁隆平。

2.学会使用相关的新词汇；

3.学会用动名词做主语和宾语的基本用法

【过程与方法】

1.掌握在句中，文中猜词及运用词汇策略；

2.学会在新的语境中运用新学的语言知识。

【情感态度】

1.让学生做个快乐的英语语言学习者。

二、教学重点(Teaching important points) 1、学会使用阅读课中的重要单词和词组。

2、能运用动名词作主语和宾语对不同情境进行描述。

三．教学难点(Teaching difficult points) 1、引导学生用动名词描述自己及自己熟悉的人。

2、把动名词的教学有机融入情景教学中。

四、教学媒体(Teaching aids) 充分利用多媒体、文本、图片、视频和传统教具黑板、粉笔等教学手段辅助教学，促学

生的有效学习。

【教学过程（Teaching Procedures）】

一、单词记忆

根据提示写出下列单词

1．________ vt.

使迷惑；使为难

2．________ vt.

遗憾；惋惜

n.

遗憾；懊悔

3．________ n.

生产；制造

4．________ n.

营养；滋养；食物

5．________ n.

发现；发觉

6．________ n.

焦点；中心点

vt.

集中；聚焦

1 进

7．________ vt.

8．________ vt.

9．________ n.

10．________ n.

vi.& vt.

减少；减缩

画底线标出；强调

总结；摘要；概要

评论；议论

表达意见；作出评论

【答案】

1.confuse

2.regret

3.production

4．nutrition

5.discovery

6.focus

7.reduce

8．underline

9.summary

10.comment 二、高频短语

根据提示补全下列短语

1．(be) in need ________

2．cause damage ________

3．wash ________

4．build ________

5．lead ________

6．________ addition

7．focus ________

8．keep...free ________

需要

给……造成损害

将……洗掉；洗净

逐渐增强；建立；开发

导致；造成(后果) 另外

集中(注意力、精力等)于

使……免受(影响、伤害

等)；使……不含(有害物) 【答案】

1.of

2.to

3.off

4.up

5.to

6.in

7．on

8.from 三、经典句型

根据提示补全下列教材原句

1．Recently，however，scientists ________________ that long-term use of these fertilizers can cause damage to the land and，even more dangerous，to people's health. 然而，最近，科学家发现长期使用这些肥料会造成土地受损，甚至更危险的是，会对人们的健康造成危害。

2．Crops such as peas or soybeans put important minerals back into the soil，________________ such as wheat or corn that need rich and fertile soil. 像豌豆或大豆这样的农作物将重要的矿物质带回土壤，从而使之适宜于要求土壤肥沃的农作物，比如小麦或玉米。

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【答案】

1.have been finding

2.making it ready for crops

四、速读精读

阅读P14教材课文，选择最佳答案

1．What is the main idea of the fourth paragraph? A．Long-term use of chemical fertilizers can cause damage to the land and people's health. B．Problems caused by chemical fertilizers. C．Farmers and customers turn to organic farming. D．Other methods to keep the soil fertile. 2．The organic farmers do the following things except ________. A．adding fertilizers which are rich in minerals B．changing crops every two or three years C．planting crops in different layers of the soil D．planting grass between crops to prevent the soil from being blown away 3．Which statement is WRONG according to the text? A．Long-term use of chemical fertilizers can cause damage to the land. B．Chemicals in food can lead to cancer or other illnesses. C．Organic farming is simply farming without using any chemicals. D．Scientists believe some chemical fertilizers are better for people. 4．Which is not the reason why organic farmers prefer natural waste from animals? A．It can keep the food free from chemicals. B．It can keep the air，soil and water free from chemicals. C．It can kill harmful pests. D．It can make the soil richer in minerals. 【答案】

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CDBC 五、重点词汇

confuse vt.使迷惑；使为难；混淆

(教材P13)It is important to explain this again or we will confuse the students.

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再把这一点解释一下非常重要，否则会使学生们感到困惑。

拓展：

(1)confuse A with/and B

(2)confused adj.

be confused by sth.

be/get confused about sth.

(3)confusing adj.

把A和B混淆

糊涂的；迷惑的；混乱的

对……感到困惑

被……搞糊涂了

令人困惑的；难以理解的

①If you're confused about anything，phone my office. 如果你有感到困惑的问题，给我办公室打电话。

②Be careful not to confuse quantity with/and quality. 注意不要把数量与质量混淆了。

③Slow to respond to the change，your body clock is confused(confuse)．

对于这种变化反应很慢，你的生物钟会被迷惑。

[指点点津]

confuse的现在分词和过去分词的区别

confuse的现在分词confusing，意为“令人困惑的”，多用于修饰事物，confuse的过去分词confused意为“困惑的，糊涂的”，多用来描述人的感受。

regret vt.懊悔；为……感到遗憾(懊悔、惋惜)n.遗憾；懊悔

(教材P13)His father says that he has never regretted sending his son to study abroad. 他的爸爸说他从未后悔过把儿子送到国外学习。

拓展：

(1)regret doing＝regret having done... 后悔做了……

regret to do...

(2)to one's regret

(3)with regret

遗憾去做……(常跟动词say，tell，inform等) 使某人感到遗憾(可惜)的是……

遗憾地

①I regretted having told him that. 我很后悔把那件事情告诉了他。

②I regret to_say(say) that I can't help you.

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很抱歉，我不能帮你的忙。

③To our regret，we missed the movie The

Hunger

Games

Catching

Fire. 令我们感到遗憾的是我们错过了电影《饥饿游戏2：星火燎原》。

lead to通向；导致；造成后果

(教材P14)Many of these chemicals can lead to cancer or other illnesses. 许多化学成分能导致癌症或其他疾病。

拓展：

lead sb.to do sth.

lead sb.to a place

lead the way

lead a．..life

促使某人干某事

带领某人去某地

带路

过……生活

①What led you to take up acting as a career? 是什么让你开始从事演艺事业的？

②We hired an Indian to lead the way. 我们雇了一名印第安人带路。

③Although Tu Youyou is very famous，she leads(lead)a simple life. 尽管屠呦呦很有名，但是她过着简朴的生活。

[指点点津]

lead to中的to是介词，后面应该接名词或动名词作宾语。与result in，bring about同义，意为“导致”。

focus on集中(注意力，精力等)于

(教材P14)They focus on keeping their soil rich and free of disease. 他们主要是想保持土壤肥沃并且免受病害。

拓展：

(1)focus one's attention/mind/eyes/efforts on/upon

in focus

out of focus

集中注意力/心思/目光/力气在……

焦点对准的，清晰的

焦点未对准的；模糊不清的

(2)表示“集中(注意力、精力等)”的短语还有：

concentrate on sth.

集中(注意力、精力等)于

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pay attention to

put one's heart into sth.

注意

全神贯注于某事

①They focused all their attention on finding a solution to the problem. 他们集中全部精力寻找解决问题的办法。

②Some of the pictures seemed to be out of focus. 有些照片看起来模糊不清。

③She concentrates on international affairs. 她关注国际大事。

reduce vt.& vi.减少；减缩

(教材P14)A healthy soil reduces disease and helps crops grow strong and healthy. 健康的土壤可减少病害并促进农作物茁壮生长。

拓展：

reduce to...

increase to...

reduce by...

increase by...

be reduced to...

减少到……

增加到……

减少了……

增加了……

沦落为……(to为介词)

①The plague reduced the population to half its previous level. 瘟疫使得人口减少到了先前的一半。

②After careful consideration，the company decided to reduce the price by 10 percent. 经过慎重考虑，该公司决定把价格降低10%。

③She was reduced to begging(beg) for a living. 她被迫沦落至乞讨为生。

comment n．评论；议论vi.& vt.表达意见；做出评论

(教材P15)Swap summaries with your partner and give each other comments. 跟你的同伴交换你的内容提要并且互相评论一下。

拓展：

(1)make comments on/about...

对……加以评论

No comment!

无可奉告！

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offer comments

(2)comment on/upon sth.

提意见

对……发表评论

①She made helpful comments on/upon my work. 她对我的工作提出了有益的意见。

②—Can you say something about the present situation? 你能对当前的形势说说自己的看法吗？

—Sorry，no comment!

对不起，无可奉告！

③Don't offer comments(comment) if you cannot understand the real meaning. 如果你不能真正理解它的意义，请不要乱提意见。

④People were always commenting on/upon my sister's looks. 人们总是对我妹妹的容貌评头论足。

六、.选词填空

be confused about；reduce...to...；build up；lead to；focus on/upon；keep...free of/from...；make comments on/upon 1．It is reported that poor air quality may ____________ heart attack or stroke. 2．As I said before，we need to ____________ the customers and their needs. 3．People ____________ all the different labels on food these days. 4．The price of that type of color TV has __________ 1,000 yuan. 5．Famous experts are often invited to CCTV to ____________ the situations in Iraq. 【答案】

1.lead to

2.focus on/upon

3.are confused about

4.been reduced to

5.make comments on/upon 七、单句改错

1．He has been painted the rooms of his new apartment all day. ________________________________________________________________ 2．Their car was caught in a traffic jam，thus caused the delay. ________________________________________________________________ 3．Have you made everything clearly enough. ________________________________________________________________ 【答案】

1.painted→painting

2.caused→causing

3.clearly→clear

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八、练习

_______ brown (skin) from spending too much time in the sun. _______ to make something or somebody free of

_______ to become larger in size, number or amount _______ to make information and ideas known to many people _____________ would prefer to

_______ to try extremely hard to achieve something _______ to send things to foreign countries for sale ___________ pleased by having what one wants or needs _______ to provide with things necessary for a certain purpose _______ plants grown in large amounts by farmers _______ because of

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