Learning about Language教学设计思路

Book 4

Unit 2

Working the land

Period 4 using language

Teaching Goals:

1.

To learn to catch the detailed information by self-directed study and cooperation. 2.

To understand the passage better. 3.

To have the sense of cooperation.

【Previewing Case】课前预习案

Task 1. Translate the following words without referring to your dictionary. 1. chemical farming

2. organic farming

3. fertilizer

4. increase production

5. cause damage to

6. bacteria and pests

7. underground water

8. build up

9. nutrition

10. vitamins and minerals

11.turn to

12. focus on

13. keep…free from…

14. soybean

Task2. Answer the following questions: 1. What is organic farming? ______________________________________________________

. 2. What problems can be caused by using chemical fertilizers? _____________________________________________________________. 3. Why do organic farmers grow peas or soybeans after corn or wheat? _____________________________________________________________

我的疑惑？

请你将预习中未能解决的问题和有疑惑的问题写下来，待课堂上与老师和同学探究解决。

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【Exploring Case】课内探究案

探究一：选词并且用适当形式填空

cause/do damage to,

wash off,

lead to,

build up,

keep…free from/of,

focus on,

avoid doing ，

in addition ( to ) 1. His mistakes ______ his failure. 2. These chemicals in the food supply________in people’s bodies over time.

3. All roads _______ Rome. 4. Please _____ your mind ___ the following problem. 5. Children should ________________ violence. 6. He likes basketball. __________, he likes football. He likes basketball ___________football. 7. Little Tom stuck to ________ the mud ____ his shoes by himself before he came in.

8. I tried to ______________ (meet) him because he always bores me. 9. The storm on May 3 ___________ great __________ people in Burma so far.

探究二：用自己的话翻译课文中的句子。

1) Recently, however, scientists have been finding

that long-term use of these fertilizers can cause damage to the land and, even more dangerous, to people's health.

仿造句子：然而，最近，科学家们发现长期饮用饮料有时会对孩子的身体有损害。

2) Crops such as peas or soybeans put important minerals back into the soil, making it ready for crops such as wheat or corn that need rich and fertile soil.

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仿造句子：像苹果、菠萝这样的水果可以将重要的维他命和矿物质存留在身体内，使它可以抵抗疾病。

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3) Some organic farmers prefer planting grass between crops to prevent wind or water from arrying away the soil, and then leaving it in the ground to become a natural fertilizer for the next year's crop.

仿造句子：一些学生喜欢在早餐不吃东西，然后课间买零食吃。

4) These many different organic farming methods have the same goal: to grow good food and avoid damaging the environment or people's health.

仿造句子：这许多来自不同地方的学生都有一个共同目标，即被大学录取，不让父母失望。

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【Promotion】能力提升

重读课文，勾画出文中可用的其他单词、短语和句型结构，借助工具书，把他们用法整理出来：

【reflection】课后反思

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