unit 19 teaching plan[下学期]

Teaching plan
Unit 19 Modern Agriculture Reading
Teaching aims:
1. Knowledge objectives:
(1)Students will get to know the developments of modern agriculture in different times
(2)Students will get to know the problems existing in its development and the tendency of its development
(3)Students will get to know some new words and phrases related to agriculture
2. Ability objectives:
(1)Students will be able to read a passage quickly by finding out the way it is organized (its structure/outline)——Students’ reading ability of scanning and skimming will be improved
(2)Students will be able to use what they learnt in a passage to solve the real life problems——Students will develop their ability of analyzing and imagination
3. Moral objectives:
(1)Students will try their best to cooperate with their classmates and explore the unknown world
(2)Students will try their best to help others with their difficulties
(3)Students’ love for their hometown-Liushi will be aroused, so will their interest in agriculture and English
Teaching procedures:
Step 1. Leading in & pre-reading: (8’)
T: Nice to meet you.
Ss: Nice to meet you too.
T: First allow me to introduce myself. I am Jane, a senior 3 English teacher of Yueqing Middle School. I hope that we can cooperate with each other very well this class. Can we You know as a senior 3 English teacher I am always busy and tired. Being tired will easily cause me old. But as a girl how I wish I could be young and beautiful. What should I do to make myself young and beautiful, especially my skin Can you give me some advice
S1: Have a good rest.
S2: Do some sports.
T: But I have no time to do sports. Fortunately, one of my friends gave me a good suggestion. He said we are what we eat.
Ss: You should eat some vegetables and fruits.
T: You are quite right. Vegetables and fruits are good for me. And I like them very much. Can you guess what my favorite fruits are
S3: Apples.
S4: …
T: No. I prefer oranges and strawberries, and also ha mi melons. (with some beautiful pictures shown)
Ss:
T: As to vegetables, I like carrots and pumpkins most. (pictures)
Ss:
T: Do you know how to plant a pumpkin
Ss:
T: It seems that you are good at growing plants. There are so many plants in your classroom. How do you take care of them
S5: Water
T: Yes, we need to water the plants, the pumpkins. In other words, we must irrigate them. What else should we do We know a person needs nutrients, how about a pumpkin
S6: Fertilisation.
T: Yes. A pumpkin needs fertilisers. So we must fertilise it. That is called fertilisation. You know fertilization and irrigation are the two basic methods or techniques of agriculture. Then where do farmers grow pumpkins
Ss: In a field.
T: In other words
Ss: Soil/in earth.
T: You are so clever. Can you help me realize my dream You can see that compared with the beautiful fruits, pumpkins are not so beautiful. Love me, love my dog. How I wish I could eat a colorful pumpkin. Or a beautiful one looks like a sun, and a bigger one for I like pumpkins so much. (pictures) What’s more, which kind of pumpkin is more expensive
Ss: Of course the second one.
T: So if farmers can grow such kind of pumpkins they will be able to make more money. Do you know how to get such kind of pumpkins
Ss:
Step 2. Reading (22’)
1) Fast reading(6’-7’)
T: Maybe it is difficult for you now. But if you know modern agriculture, you will know the method. Now let’s read a passage named Modern Agriculture on page 45. You will find the answer in it. Let’s see who will be the first student that finds the answer: by using what technique can farmers grow such kind of pumpkins.
Ss:
T: Have you found the answer, the technique (Observe Ss’ facial expressions, ask one who seems not)
S7: Sorry, I haven’t.
T: How about you Where is the answer
S8: That’s GM at the end of this text. If farmers use GM technique they will grow such kind of pumpkins.
T: What about the others Do you agree
Ss: Yes./ No.
T: Well done. How can you find the answer so quickly We know the answer is at the end of the text.
S8:
T: How do you read the text, word by word
S7: Yes.
S8: No.
T: Sentence by sentence
S8: No.
T: Then how
S8: Just read for the information I need.
T: Smart boy/girl. Have you ever seen this kind of pumpkin
Ss: No.
T: So is it the traditional technique or the modern technique that produce such pumpkin
Ss: Modern.
T: Yes, it must be the latest/advanced technique that makes it possible for farmers to grow such kind of pumpkins. Then is it necessary for us to read the first paragraph carefully
Ss: No.
T: Why
S8: In the first sentence there is “for thousands of years”, “traditional” and “not change”.
T: How about the second paragraph S7 now do you know how to read it.
S7: In the 1980s. Such pumpkins can’t be seen at that time.
T: Paragraph 3
Ss: Not necessary. The time is from the early 1990s and there are no techniques mentioned in this paragraph.
T: Just by skimming the first three paragraphs can we find the way/order the text is organized. What is the order
Ss: Time order.
T: So where can we find the answer
Ss: At the end.
T: What technique
Ss: GM.
T: When
Ss: In 1993.
T: If you read in this way, can you find what you need quickly.
Ss: Yes.
T: When do people always write their passage in time order
Ss: Talk about the history of something.
T: In other words, developments, right
Ss: Yes.
2) Intensive reading: (15’-16’)
T: Now let’s read the text carefully and find out the developments in different times. If you meet with some difficulties, ask your partners for help. Or if you finish reading share your findings with your partners.
Ss:
T: (Bb work):
The developments of modern agriculture
for thousands of years One-family business
Over time Chemical fertilizers and electrical pumps2 or more plants one year Special seedbeds
In the 1980s. Import advanced technology and machines
from the early 1990s Environmentally friendly new techniques
In 1993. Greenhouses and GM
Meanwhile deal with some new words and expression by explaining their meanings or asking Ss to guess.
T: What happened in different times
Ss: For thousands of years one-family business
Over time many farming techniques have been modernized.
T: Give me some examples.
S9: Chemical fertilizers and electrical pumps are used.
T: But if I have no money to buy Chemical fertilizers and electrical pumps, how can I make my land produce more
Ss: You can plant 2 or more plants one year or use special seedbeds.
T: Why these two methods can help me
Ss: They save time and allow farmers to grow an extra crop in each season.
T: Are all these modernized techniques good for us
Ss: Yes.
T: So we should use these techniques as often as possible
Ss: No. Chemical fertilization is harmful to the environment.
T: Can you name some harm chemical fertilization does to the environment
S10: Air pollution (pictures are shown on the screen)
S11: Water pollution
S12: It is harmful to the earth.
T: It is also harmful to us human beings. (picture)That’s why from the early 1990s scientists started to develop new techniques to increase agricultural production without harming the environment. Then in your opinion what will the future agriculture depend on And what is important, production or environment
Ss: Future agriculture should depend on high technology as well as traditional methods.
Not only is food production important but also taking care of the environment.
T: To be friendly to the environment is to be friendly to ourselves. So how to protect the environment is the biggest problem of Chinese farmers, right
Ss: No.
T: What is the biggest problem of Chinese farmers
Ss: The shortage of arable land.
T: Quite right. The situation in Liushi is alike. (Show the map of Liushi.) You can see that most of the land is white. Do you know why
Ss: So many buildings and factories have been built here. Green stands for arable land is decreasing.
T: How can we solve this problem
Ss: Greenhouses.
T: (show pictures) What are the advantages of greenhouses
Ss: roots in water, protected from the wind, rain and insects, temperature is controlled by computers.
T: Any other technique
Ss: GM
T: What does GM stand for
Ss: G stands for genetically form the word genes, M modified
T: What does modified mean
Ss: changed
T: What is changed
Ss: The way a crop grow from a natural seed is changed.
T: Can you give an example
Ss: Tomato.
T: What are the modified tomatoes like
Ss: The new tomatoes are bigger and healthier. They can grow without danger from diseases. They also take less time to get ripe.
T: Any other examples
Ss: Cotton, tobacco, green peppers, flowers, watermelon, soybeans, fish and rice.
T: What’s the GM watermelon like
Ss: Seedless. (show a picture)
T: How about rice
Ss: Sometimes it is called “golden rice”.
T: Is it really golden
Ss: No, it has more vitamins and can grow in poor soil.
Task: Design 3 GM crops
T: If you can use GM technique to modify peppers, corns and cabbages, what will your products like
S13:
S14:
S15:
T: (show some pictures of these GM crops) in a word, we can modify their colors, shapes, tastes, nutrients and even make them stronger and healthier.(Ss together) You have known a lot of techniques and even can design new GM crops. Now would you please use what you’ve learnt to help others
Ss: yes.
Step 3: Task: put what you’ve learnt to use to help 4 farmers to solve real life problems (10’)
T: You are kind-heated. Now four Liushi farmers have some difficulties to deal with. One group chooses one farmer to help them solve the problems which trouble them a lot. Work in groups of 4 and 3-4 sentences are enough..
Farmer 1: I have a big farm in which I grow watermelons. But it is always difficult to store(储藏) so many round watermelons, because they always roll here and there. And I also want to improve(改进) my watermelons.
Farmer 2: I am not rich, but I always work hard. How can I make as much use as my land
Farmer 3: I want to make poor soil better. And I do not care about money so much. Should I use as many fertilisers as possible
Farmer 4: I grow and sell flowers because I like flowers very much, especially sunflowers. My father supports me by giving me a lot of money. I hope I can enjoy beautiful sunflowers all the year.
Analyse the difficulties with the students and underline the important words.
Ss: (work in groups of 4 and later report to the classs)
Step 4. Homework:
T: Today we have learnt the problems of Chinese farmers.
Ss: Environment and the shortage of arable land.
T: and the developments of modern agriculture, and get to know a lot of techniques. Why do people develop so many techniques
Ss: To increase agricultural production without harming / and be friendly to the environment.
T: So what will the future agriculture like
Ss: Environmentally friendly.
T: Good. After class, write down future agriculture in your mind. You can conclude:
1) What problems will farmers meet with 2).What techniques will be put into use
3).What will the future crops be like
Notes:
1． 红色为本单元新单词和词组
2． 下划线为板书内容
3． 斜体是预设的学生互动
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