Learning about Language优质课一等奖

巩义二中2013-2014学年下学期

高一英语Book 4

Unit 2

Using language

编写人：路爱丽

审核人：李振杰

2014-5-11

1.build up 逐渐增强，建立，

2. lead to +n

导致，通向

3..in addition（to）

另外，此外

4..focus on 集中（注意力，精力等）于

5.turn to

求助于，转向

6.keep free from(of ) 使…免受（影响,伤害

7.do some research

做研究

8.every few years

每隔几年

9..the past five decades

过去的五十年

10.avoid sth/doing sth 避免某事、做某事

11.prevent...from doing sth

阻止...做某事

12..be rich in 富含

13.cause damage to对 ...造成损害

II. 整体速读

Read the text silently and quickly，and do the following exercises. ( By reading the text and doing exercises 1)True or False 2)reading comprehension

3)fill in the blanks,

students can learn some common knowledge about Organic Farming.) A.Read the text on Page7 and tell whether the following question True or False.

1. Farmers prefer chemical fertilizers because they can improve the soil.

2. Organic farmers prefer using natural fertilizers.

3. Farmers often grow the same crops year after year. In this way, they can have a good

harvest.

B. Reading Comprehension

1.The writer seems to agree that___________.

A. Natural fertilizers are better than chemical fertilizers

B. Chemical fertilizers are better than natural fertilizers

C. Organic farmers change crop every two or three years because they want to produce more

kinds of crops

2.Which of the following is TRUE?_________

A. All farming is organic farming.

B. Using natural waste from animals can help reduce disease in crops and help them grow

strong and healthy.

C. Some organic farmers prefer planting grass between crops to make full of the field.

3.________so that the soil may not get exhausted.

A. Farmers grow the same crops year after year

B. Farmers use natural fertilizers

C. Farmers change crops every two or three years

III. 重点阅读，挖掘知识点Read Paragraph2 and Paragraph3 and then fill in the blanks.

These chemicals in the food supply1._________(增加）in people's bodies over time. Many of 1

Book4 Unit2 Using Language

--Chemical or Organic Farming

Learning objectives:

1. By learning this text, students can learn some common knowledge about Organic Farming

2. By learning the key words and phrases, students can memorize and grasp their usages.

3. With the words and phrases learnt, students can write a composition. Learning difficult points:

1. Fully understand the advantages of organic farming

2. Write a composition with the words and phrases that have just been learnt. Learning key points:

build up

regret

comment

keep...free from..

focus

Assessment design:

1. By reading the text and doing exercises 1)True or False 2)reading comprehension

3)fill in the blanks,

students can learn some common knowledge about Organic Farming

2. By learning the key words and phrases, students can memorize and grasp their usages.

3. By translating a short composition,students can write a composition with the words and

phrases learnt, Learning procedures: Step I.Crazy English

1. In 1974, he became the first agricultural pioneer in the world to grow rice that has a high

output in the same field.

2. Using his hybrid rice(杂交水稻), farmers are producing harvests twice as large as before.

3. Thanks to his research, the UN has more tools in the battle to rid the world of hunger. Step II. 新课Learn the new lesson I. 词汇识记Recite the following words and phrases.

( By learning the key words and phrases, students can memorize the new words and phrases.)

Words :

chemical

production

mineral

reduce

nutrition

discovery

comment

root

bacteria

pest

Phrases:

巩义二中2013-2014学年下学期

高一英语Book 4

Unit 2

Using language

编写人：路爱丽

审核人：李振杰

2014-5-11

these chemicals can2.__________（导致）cancer or other illnesses.3._____________,（另外）

fruit, vegetables and other food grown with chemical fertilizers usually grow too fast to be full of much 4. _____________(营养）.They may look 5.___________(beauty), but inside there is usually more water than vitamins and 6.__________.(矿物质）With these 7. ______________(discovery), some farmers and many customers are beginning to 8.__________(转向）organic farming. Organic farming is simply farming without using any chemicals. They 9.____________（集中精力在）

keeping their soil rich and free of disease. A healthy soil 10.__________（减少）disease and helps crops grow strong and healthy. Organic farmers,11.________,（因此）often prefer using natural waste from animals as fertilizer. They feel that this keeps the air, soil, water and crops12.____________chemicals IV. 重点词汇点拨

Key words and phrases ( By learning the key words and phrases, students can memorize and grasp their usages. )

1. regret

n/v 后悔；遗憾

regretful

1) She really regretted saying that at the meeting.

2) I regret to tell you that you are fired.

3) Much to our regret, we will be unable to attend your wedding.

归纳：后悔做了某事

____________________________________

很遗憾地说/告诉/通知…__________________________________________

令某人非常遗憾的是

________________________________ Trans:后悔错过这样一个好机会．_____________________________________________ 我很遗憾地告诉你我很后悔来帮你。__________________________________________

2. focus

n. 焦距，中心

v （使）集中，（使）聚焦

1) Please adjust the focus of the telescope.

2）I focused the camera ___ her.

3）

I’m so tired today. I can’t _______ ______ anything.

4）

We must_____ ______ ________

______（把注意力集中在）the key points.

3. comment

v. 做出评论

n. 评论，议论

1）

The spokesman refused to comment on that problem.

2）

It’s impolite to make comments on a person’s appearance.

归纳：对…做出评论_____________________

_____________________________ Ex: 他对这本书做出评论。_____________________________________________

你有意见要发表吗？________________________________________________

4.build up 增强，增加，积累；建立，树立

1) You must build up your strength after your illness.

2) We should encourage the children to build up their confidence.

5. keep ..free from/of+n. 使…免受（影响、伤害）

使不含…

Ex:

1)The drug keeps the lady ______ ______ pain. 2) Farmers should try to keep the vegetables ______ _______ chemicals. 3)我们要使这个村庄免受污染。

________________________________________________________________ Step III

延伸拓展

Write a composition by using the words and phrases learnt today. (By translating a short composition,students can write a composition with the words and

phrases learnt.) 根据下面提示写一篇发言稿。（可适当加一些过渡词。）

2) He is the focus of attention.

你评论（comment)一下非洲的现状(situation)：1、许多人由于缺乏营养过着艰苦的生活；3) we must focus our attention on this difficult problem.

2、让我们感到遗憾的是他们没有足够的设备；3、农作物的产量锐减；4、他们正集中精4) I’m so tired and I can’t

focus on anything today.

力学习发达国家的先进技术，逐步增强食物供给，这些措施已经引起了他们生活上的很大

归纳：

把注意力集中于_________________________________________________ 进步。

把心思、目光、思想、努力集中在…上

________________________________________________________________

focus on “集中于”相当于：_______________________________________ Step IV Homework 完成报纸48期阅读及七选五

Ex：

1）This problem is the ______of the argument

2

巩义二中2013-2014学年下学期

高一英语Book 4

Unit 2

Using language

编写人：路爱丽

审核人：李振杰

2014-5-11

3

I would like to make comments on the situation of the Africa. Most of people lead a hard life for lack of nutrition.To our regret,they also lack enough equipment;as a result,the crop output is greatly reduced.Luckily,they focus on learning advanced technology from developed countries, and build up the food supply.All these measures have led to much progress in their life.

Period IV: 作业

Homework