Organic Farming

Discussion.  What is the meaning of this title?  How can farmers produce organic food? Terms( 术语 ) ： Chemical Fertilizer/ natural fertilizer/the waste from animals/greenhouse

Listening/ fast reading (True or False). All farming must be organic farming.( ) All fertilizers can make the soil fertile and rich, so they are the same. ( ) The organic farmers prefer to use natural waste from animals only because they are cheap. ( ) The soil gets exhausted because farmers grow different crops. ( ) Organic farmers insist on changing crops every second or third year. ( ) T F F F F

Read and answer: 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. For example…

1. What is the organic farming? （ para.1 ） Organic farming refers to crops growing with natural rather than chemical fertilizers. Read the passage and answer the questions of ex1.

2. What problems are caused by using chemical fertilizer?(para.2) (1) There are three problems. p13

3. Why do organic farmers grow peas or soybeans after corn or wheat?(para.3) 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 healthy and ready to grow more wheat or corn.

Match the advantages with the reasons. 2. The soil is not exhausted. 3. They make full use of the soil. 1. The soil is richer in minerals. A. They don’t use chemical fertilizer. B. They plant different crops that can put minerals back into the soil. C. They use waste from animals.

Knowledge points:  refer to  be rich in  reduce  food/water supply  insist on doing/that  every two or three years every second or third year  carry away/out /on be poor in increase

Make up sentences using the above phrases.  I think we are all rich in energy and time, but we should reduce any waste of time. I insist on making a plan for my studies and life, and always write a summary every two or three weeks. If I have some difficulty, I often refer to the plan. In this way, I can carry out my plan at last.

Language points 1. It also refers to crops growing with natural rather than chemical fertilizers. to be relevant to sb./sth. 与 … 有关 What I have to say refers to all of you. 我要说的事和你们大家都有关。 指

to mention sb/sth 提到、说到 In his speech, he didn’t refer to the problem at all. 在他的演说中丝毫未触及那个问题。 2. Firstly, leaving chemicals in the ground for a long time is not good for the soil or the water supply.

supply. 1) 用作名词时： a) 指 “ 供给 ; 供应 ” 等, 其反义词为 demand ( 需求 ) 。 supply and demand 供与求 be in short supply 供应缺乏, 供应不足 food supply 食物供应 water supply 供水

b) 当 “ 供应品 ; 生活用品 ; 补给品 ” 等, 常用复数 supplies 。 military supplies 军需品 household supplies 家庭用品 medical supplies 医用品

2) 用作动词时, 指 “ 供给, 提供, 备办 ” 等, supply sb. with sth, supply sth. to sb. -- They supplied food to them. 他们供给他食物。 -- The library is well supplied with books. 图书馆备有充足的书籍。

3. But whatever they grow they make sure that what is left in the ground after harvesting becomes a natural fertilizer for the next year’s crop. 1) whatever 作连接代词, 意为 “ 无论什么 ; 不管什么 ”, 连接宾语从句、主语从句。 如 : They eat whatever they can find.

Whatever you like is also my favorite. 2) whatever 作连接形容词, 意为 “ 无论什 么样的 ” 。应当注意, 此用法的 whatever 必须同其被修饰的词一起放 在从句前引导从句。如 : I can do whatever work I can find. Whatever difficulties we meet, we can work them out.

These wild flowers are so special I would do ______ I can to save them. A. whatever B. that C. which D. whichever

You can take ______ you want from those books if you are proved to be a member of our club. A. no matter how B. however C. whatever D. no matter what

虽然 no matter what 和 whatever 都表 示 “ 无论什么 ”, 但是 whatever 引导的是 宾 / 主语从句 / 让步壮语从句, 而 no matter what 只引导让步状语从句。  Keep calm, whatever happens.  无论发生什么事都要保持冷静。 == Keep calm, no matter what happens.

 Write a summary of the text after class.  Recite the sentences.