Learning about Language教学设计第二课时

高一英语必修四第二单元教学设计

Unit 2 Working the land Using language

高一英语备课组

Unit 2

Working the land Period three

using language 主备人：贺莲秀

Teaching aims demands 教学目标

组员：顾晓林，刘慧霞，王艳敏

Teaching points 教学重点

Teaching points 教学难点

Knowledge aims: and 1.

master the related vocabulary and useful expressions. 2.

understand the main idea of this passage 3.

try to finish exercises in class Ability aims: 1.

students can get the main idea of the passage. 2.

students can digest the important and difficult points. Emotional aims: 1.

to make the students know some knowledge about farming.. 2.

to widen

their horizon. important 1.

understand the text thoroughly. 2.

improve their reading comprehension. difficult 1.

how to make the students understand the text. 2.

How to improve their reading ability. Teacher’s activities 教师活动

Greet the class as usual. Do some translation(from reading of this unit）chemical Production

bacteria Pest

nutrition Mineral

Discovery Focus

soil Reduce

root skim

underline summary

comment build up

lead to focus on

keep… free from/of

Students’

activities 学生活动

Greeting

集体

研修

个人修订

Teaching procedures 教学过程

Step 1. Greeting

Step 2.Revision Try to translate into Chinese.

T:Step 3.lead-in Answer the the soil to make crops grow? It is question fertilizer.

What is the substance we put on

Step 4.Reading

Step5. fast reading Step6.detailed reading T: How many kinds of fertilizers do Listen to farmers use? the teacher There are two kinds. They are and read

chemical fertilizers and natural the text ones.

quickly. T: The main idea of the text: Chemical fertilizers can cause Read the many problems, so organic text farming is becoming more quickly

popular. Organic farming means and finish growing crops with natural off the fertilizer. The organic farmers exercise. keep the soil rich and healthy.

T: read the text again, and then finish the following exercises.. 1. Which statement is WRONG according to the text?

A. All crops are organic.

B. Recently, the term “organic farming” has gained another meaning.

C. All farmers use fertilizers.

D. Scientists believe some chemical fertilizers are better for people. Read again 2. Which is not the reason why and do organic farmers prefer natural exercise

waste from animals? with their

A. It can keep the food free partners. 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 mineral. 3. What is the advantage of using

chemical fertilizers?

A. Leaving chemicals in the ground for a long time is good for water supply.

Step7.comprehending Step8.consolidation

B. They can get the soil exhausted.

C. They can kill helpful bacteria.

D. They can kill harmful pest.

4. The organic farmers do the followings except ______. A. adding fertilizers which is rich in mineral B. changing crops every two or three years C. planting seeds in different layers of the soil D. planting grass between crops to prevent the soil from being blown away Useful expressions(try to find them out and write them down) 1. 化肥

2. 对…造成损害

3. 洗掉某物

Try to 4. 导致; 造成(后果); 通往

translate

5. 逐渐增强, 建立

into 6. 另外(还有) English. 7. 使…免受(影响); 8. 集中(注意力、精力)于

9. 每隔几年

10. 避免做…

1. What is “organic farming”?

It refers to crops growing with natural rather than chemical fertilizers. 2. What do organic farmers prefer to use as fertilizer?

Listen to The fertilizer that organic farmers the teacher prefer is natural waste from and try to

animals. answer 3. Why do organic farmers grow them. peas or soybeans after corn or wheat? Farmers grow peas or soybeans after corn or wheat so that peas and beans can put minerals back into the soil, making it rich and

step 9.summay Step10.homework

The record after class （课后反思）

healthy and ready to grow more wheat or corn. 4. What problems are caused by using chemical fertilizers? There are three problems. First, chemical fertilizers affect the soil and the water supply badly. Second, they allow farmers to grow the same crop

year after year and exhaust the soil. Third, they kill both helpful and harmful pests.

5. What is the main reason for using organic farming methods? The main reason for using organic farming methods is to grow good food and to avoid damaging the environment or people’s health.

Make a brief summary of the Listen to

class. the teacher carefully. 1. Write a summary of the Finish off

advantages of organic farming homework and the disadvantages of after class. chemical farming. 2. Collect some information about the safety and importance of green food.