Learning about Language教案板书设计

Period 4

Chemical or organic farming? Teaching goals 1. Language goals语言目标

A 重点词语

mineral , reduce ,supply, organic,level ,whatever ,bacteria ,refer to ,year after year B 重点句型:

There are 8 sentences with –ing as subj.or obj. 2.Ability goals

能力目标

Enable Ss to master the main idea of the text and know the ways of organizing articles. 3.Learning ability goals

学能目标

Help students learn how to enlarge the words and know the ways of the same topic. A. Teaching important and difficult points 1.How to grasp the main idea of the passage. 2.How to grasp the words and phrases and be able to use them of the same topic. B. Teaching methods Show questions, read fast, find the main idea carefully and finish all

the tasks. C. Teaching aids : A recorder and a projector. D. Teaching procedures & ways

1.

Learning new related words and expressions. Chemical

adj. 化学的；关于化学的

Production

n. 生产；制造

Bacteria

n. 细菌

Pest

n. 害虫；害兽；害鸟

Nutrition

n. 营养；滋养；食物

Mineral

n. 矿物；矿石

discovery

n. 发现；发觉

Focus

n. 焦点；中心点

vt. 集中；聚焦

Soil

n. 土壤

Reduce

vt. 减少；减缩

Root

n. 根；根源

skim

vt. 浏览；略读

Underline

vt. 画底线标出；强调

Summary

n. 总结；摘要；概要

Comment

n. 评论；议论vi.& vt. 表达意见;

做出评论

build up

逐渐增强; 建立; 开发

lead to

导致; 造成

(后果)

focus on

集中

(注意力，精力等) 于

keep…

free

使…免受(影响，伤害等)；

from/of

使…不含(有害物) 2.Reading and answering:

1.

)

What is the main idea of this passage? This passage tells us something about organic farming. It means growing crops without chemical fertilizers which damage the soil. The organic farmers keep the soil rich and healthy in several ways.

2. ) Why are chemical fertilizers so popular

in farming today?

They are a great way to stop crop disease and increase production. 3. ) What problems can be caused by using chemical fertilizers?

They can damage the land by killing helpful bacteria and pets and by staying in the ground and underground water for a long time, They damage people's health by building up in their bodies and leading to cancer or other illnesses. 4. ) What is organic farming? Organic farming means growing crops without using any chemicals.

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.

3. Find and write down the methods and advantages in the passage.

4.Language points: 1）

These chemicals in the food supply build up in people’s bodies over time. build up

增强; 建立；开发

Hard working conditions build up character.

艰苦的工作条件能磨练人的性格。

2）

Many of these chemicals can lead to cancer or other illnesses. lead to: 导致；造成

Too much work and too little rest often lead to illness.

过量的工作和过少的休息会引起疾病。

All roads lead to Rome.

条条大道通罗马。

3 ）They focus on keeping their soil rich and free of disease. focus on:集中(注意力，精力等）于

You should focus your attention on your work. 把注意力集中在你的工作上。

Olympus: Focus on life. 奥林巴斯：瞄准生活。

4 ）This also keeps the air, soil, water and crops free from chemicals.

keeps…

free from /of: 使…免受（影

响，伤害登）；使不含（有害物）

keep from:

阻止; 妨碍

I hope you will keep from doing anything rash.

我希望你不要做出任何鲁莽的事情来。