Period 3 Using Language

Teaching goals 教学目标

1. Enable Ss to master the main idea of the text and know the ways of organizing articles.

2. Help Ss learn how to enlarge the words and structures of the same topic.

Teaching important and difficult points 教学重难点

1. How to grasp the main idea of the passage.

2. How to grasp the words and phrases and be able to use them freely.

Teaching procedures & ways 教学过程与方法

StepⅠLook at the pictures.

What is the substance we put on the soil which makes crops grow?

How many kinds of fertilizers do farmers use?

Which kind do farmers use when they are doing organic farming?

Do you know about organic farming?

StepⅡReading

1. Scan the passage and get the main idea.

Chemical fertilizers can cause many problems, so organic farming is becoming more popular.

2. Answer the following questions after read the passage.

　1. Why are chemical fertilizers so popular in farming today?

2. What problems can be caused by using chemical fertilizers?

3. What is organic farming?

4. What is the main reason for using organic farming methods?

Keys: 1. They are a great way to stop crop disease and increase production.

2. They can damage the land by killing helpful bacteria and pests 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.

3. Organic farming means growing crops without using any chemicals.

4. The main reason for using organic farming methods is to grow good food and to avoid damaging the environment or people's health.

3. Read the passage carefully and fill in the blanks.