第四册第二单元第四课时 阅读导学案

Early sow, early mow. 种得早，收得早。

Book 4 Unit 2 Working the land Using language

Learning Goals:

1. develop the students' skills of summarizing.

2. help the students realize the importance of organic farming.

Previewing (预习)

Fill in the blanks with a proper word from the passage on page 14 .

1.Some can cause disease. People usually take some medicine to help them to recover.

2.If someone makes a , he or she is the first person to find or become aware of something that no one knew about before.

3. Stores of grain are frequently attacked by , especially rats.

4. If you are careful in your exam, you can mistakes you will make.

5. Plants will grow better in rich and loose .

Researching in Class (课堂探究)

Step 1 Leading in

1. What is the substance most farmers put on the soil to make crops grow?

____________________________________________________

2. How many kinds of fertilizers do farmers use?

___________________________________________________

Step 2 Listening & Reading & Thinking

1．Skim each paragraph again and find the main idea

Paragraph : Long-term use of chemical fertilizers can cause

　　　　　　　 damage to the land and people's health.

Paragraph : Farmers and customers turn to organic farming.

Paragraph : Other methods to keep the soil fertile

Paragraph : Problems caused by chemical fertilizers.

2．What is "organic farming"? ( no more than 12 words)

____________________________________________________

3．Fill the blank:

The fertilizer that organic farmers prefer is

.

4．Choose the best answer.

（1）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.