高中英语Unit2 Working the land Using language1

贵州省思南中学 许义怀编辑

Reading

Organic Farming

吃动物怕激素；吃植物怕毒素； 喝饮料怕色素；能吃什么，心里没数。---全国人大代表金志国 带到两会上的顺口溜

What is the matter we put on the soil which makes crops grow ? It is fertilizer.

chemical fertilizers

natural fertilizers

1. What is organic farming?Farming without using chemicals.

2. What is the goal of using organic farming methods?To grow good food and avoid damaging the environment or people’s health.

Skimming

Main idea

P1. Long-term use of chemical fertilizers can cause damage to the land and people’s health.P2. Problems caused by chemical fertilizers P3. Farmers and customers turn to organic farming. P4. Other methods to keep the soil fertile.

Read the passage and answer the following questions.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?

1 Why are chemical fertilizers so popular in farming today?

They are a great way to stop cropdisease and increase production.

2 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.

3 What is organic farming? Organic farming means growing crops without using any chemicals.4 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.

Find and write down the methods and advantages in the passage.Methods of organic farming Farmers use natural waste from animals. Advantages of methods This makes the soil richer in minerals and so more fertile.

Methods of organic farming 1 Farmers use natural waste from animals. 2 Farmers often change the kind of crop in each field every few years.

Advantages of methods 1 This makes the soil richer in minerals and so more fertile. 2 Changing the crops renews the minerals in the soil and helps it become rich and healthy.

Methods of organic farming 3 Farmers plant crops with different lengths of roots. 4 Farmers sometimes plant grass between crops and leave it in the ground.

Advantages of methods 3 This uses different levels of soil. 4 This prevents wind or water from carrying away soil and acts as a natural fertilizer.

Main idea of the passage

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