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1、2022年高中英語《Unit2 Working the land》教案（3）新人教版必修4
Teaching goals 教學(xué)目標(biāo)
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 教學(xué)重難點(diǎn)
1. How to grasp
2、the main idea of the passage.
2. How to grasp the words and phrases and be able to use them freely.
Teaching procedures & ways 教學(xué)過程與方法
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 far
3、mers 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 being more popular.
2. Answer the following questions after read the passage.
1. Why are
4、 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.
5、 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 usi
6、ng 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.
Chemical
Farming
Advantages
Stopping crop disease and
increase __________
Chem
7、ical
Farming
Disadvantages
Damaging the land:
Killing the helpful ______ Damaging people’s health:◆Many chemicals in the food supply can lead to cancer or other illnesses.◆Food grows too fast to be full of much ________.
Organic
farming
____
To grow good food and avoid damaging the envi
8、ronment or people’s health
Organic
farming
Methods
◆Using ______ waste from animals as fertilizer
◆Changing _________ in each field every few years◆ Using _________ of soil to plant crops◆ Planting _____ between crops
Step Ⅲ Project
Persuade farmers to grow the crops by organic farming with
9、the knowledge learnt.
What is organic farming?
What fertilizer should they use? Why?
How to plant the different crops?
...
Step Ⅳ Language points
Step Ⅴ Listening
1. What is the main topic of the conversation?
The possible bad effects of chemical fertilizers on the fruit and vegetables t
10、hat we eat today.
2. Listen to the dialogue a second time. Decide if the following statement are true or false.
1. Paul thinks that Carrie is not telling him the truth.
2. Using chemical fertilizers always makes vegetables empty inside.
3. Today’s fruit is not as healthy for people as fruit
11、fifty years ago.
4. Eating more vegetables might not always be good for us.
5. All of today’s vegetables look healthy but in fact are not.
Keys: T, F, T, F, T
Step Ⅵ Homework
Write a summary of this passage following the procedure.
Step 1: Skim the passage to find its main idea. Write it
12、 down in your own words.
Step 2: Find and underline the topic sentence of each paragraph. Rewrite each topic sentence, using your own words. Do not copy from the passage!
Step 3: Write your summary. First sate the main idea of the passage and then the topics covered by each paragraph. Remember, use your own words!
2022年高中英語《Unit2 Working the land》教案（3）新人教版必修4
