Unit 19 agriculture(人教版高一英語下冊教案教學設計)

Teaching goals

1. Talk about modern agriculture and the effect it has on people’s life.

2. Practice giving advice and making decisions.

3. Learn to use “it” for emphasis.

4. Learn to read statistical graphs.

5. Write a plan for a vegetable garden.

Period 1

Step 1: New words

(listen to the pronunciations of each word and try to remember them).

Step 2:Warming up

1. Look at the graph and tell what the meaning of this graph. It tells the growth of major products 1991-1995 compared with 1986-90 percentages.

2. The production of fruit in 1995 increased by a percentage of 85 compared with 1986.

3. Let the students read the sentences on the screen and learn about some changes and effects between agriculture and people’s life.

4. Ask one students to translate the reading material in the paper(the first and the second passages).

do you think causes these changes? 你認問什麼原因引起這些變化的?

do you think the changes in eating habits will have on agriculture or nature? 你認為這些飲食變化對農業和自然會起什麼作用？

do you think 是插入語，經常位於疑問詞之後

Where do you think our headteacher comes from?

Who do you think the old lady is?

有時也可以放在句尾。

What is it, do you think?

2. effect n. 結果，影響

have an effect on 對…有影響

be of no effect 無效

come／go into effect 開始生效

in effect 在實施中

take effect 見效； 生效

bring/carry…into effect 實行；實施

affect v. 影響

effective adj. 有效的

I tried to persuade her, but without effect.

Her new red dress will produce quite an effect on everyone.

她的新紅衣服會對大家產生很大影響。

My advice didn't have much effect on him.

The idea is of no effect.

These measures will not be brought into effect until next month.

The law came into effect on October 15.

The medicine didn’t take effect.

Step 3 Listening

1. Show and explain the new words.

2. Listen to the tape.

Step 4 Homework

Prepare oral homework: practice giving advice and making decisions.

Read the reading material (pre-reading)

Period 2

Step 1 Revise the new words.

Step 2 Practise speaking

1. If I were you, I would raise pigs.

2. As far as I can see, 依我看,

3. You want to use the land in the best way possible and do the best for everybody in the village.為了村子裏的每個人，你想盡自己最大的努力，以最好的辦法來使用這塊土地。

possible 與最高級連用， 強調“儘可能最…”。

He arrived at the worst possible time.他到達的時間，説多糟就有多糟.

The rocket traveled at the highest speed possible. 火箭以最大的速度飛行

Period 3

Step 1: Revision (new words)

Step 2. Pre-reading

ming

T: “ What’s the title of the reading passage?

Ss: “modern agriculture”

T: “ What does it mean in Chinese? ”

Ss: “現代農業”

T: “ How to say ‘傳統農業’in English ? ”

Ss: “ traditional agriculture. ”

T: “ Can you imagine what traditional agriculture is like? ”

Ss: …

② let Ss read the text firstly and answer the following questions:

How much land can be used for faming in China?

(Seven percent of the land.)

What is the advantage and disadvantage of chemical fertilization?

(it helps to produce better crops. But is harmful to the environment.)

What is the biggest problem of Chinese farmers?

(The shortage of arable land.)

3. Skipping

Let Ss read the passage for the second time and answer two questions:

What does “GM” stand for?

(“G” stands for “genetically” from the word “genes”. “M” stands for “modified”, which means “changed”.)

What is the advantage of tomatoes which were using technique known as “GM”?

(The tomatoes are bigger and healthier. They can grow without danger from diseases. They also need much less time to get ripe.)

Innovations改革 Problems Advantages

Chemical fertilisers Shortage of arable land Bigger and better crops

Pumps for irrigation Weather conditions Bigger and better crops

Special seedbeds Shortage of arable land More crops in one year

Machines e.g. tractors How to make production cheaper (not in the text) Bigger crops on more land by fewer hands

International exchange Lack of knowledge Learn from other people

Greenhouses Weather condition Bigger and better crops

Greenhouses (roots in water tanks) Shortage of arable land More crops in one year

GM technique (can grow in poor soil) Shortage of arable land Can grow in poor soil; bigger & healthier; less time to ripe

4. Listening

Let Ss listen to the tape and follow it.

5. Discussion

①let Ss work in groups and imagine what other changes have happened on farms in the last 100 years.

② let Ss discussion the following questions

the beginning of the passage, why does the writer say “It is on the arable land that the farmers produce food for the whole population of China”?

2. What does the writer want to tell us by saying, “Not only food production is important but also taking care of the environment.”?

3. What can we infer from the sentence “In China about one hundred research stations are now doing GM research to make better tomatoes, cotton…?”

4. What can you imagine about the future of food production?

Step IV Post-reading

Finish the exercises in Students Book, page 46, Exercise 1-2

Step V. homework

Workbook exercises

The reading materials.　

Period 4

Step I Revision

Step II word study

Finish the exercises in Student book, page 47.

Step III Practice

Let Ss finish the exercises “vocabulary, 1-3” in page 108, Workbook

Step IV Grammar

1. Give Ss some sentences to translate into Chinese and find out difference and sameness among these sentences (slide show)

It is on this arable land that the farmers produce food for the whole population of china.

It was from the early 1990s that scientists started to develop new techniques to increase agricultural production without harming the environment.

It was they who/that cleaned the classroom yesterday.

It was in the street that I met her father.

It was the goat’s eyes that he had seen in the darkness.

2. Teach Ss to find out the phrase from the sentence above----It is+被強調部分+that/who…

Translate the following sentences into English:

1.寫這本書的人就是瑪麗。It is Mary who wrote this book.

2.這個就是長滿了美麗的鮮花的花園。It is garden that many beautiful flowers grow in.

3.她就是擅長唱歌的女孩。It is a girl who is good at singing.

4.那就是他叔叔移居紐約的季節。It was for this reason that his uncle moved out of New York.

5. 錯的人是我。 It is I who am wrong.

4. Note:

a. 在強調句型中，若被強調部分指人，可以用關係代詞who或that；若被強調的是狀語，只能用that，不能用when或where。

b. 注意與“It is /was…that +clause”主語從句的區別。

強調句型與it作形式主語，that從句作真正主語十分相似，但主語從句中It is /was後通常用名詞或形容詞作表語。強調句型中It is /was後是對主語、賓語或狀語的強調成分。

5. Let Ss find out some sentence with ‘it’ in the text ‘Modern Agriculture’.

6. Exercises

Let Ss finish the exercises in Student’s book, page 47-48, Exx 1-2.

Let Ss finish the exercises in Workbook, page 109, Exx 1-3.

Finish all the exercises in the book.

Period 5

Step I Reading

1. Let Ss look at the picture and briefly introduce Jia Sixie,

ming: let Ss read the text and find out the information about Jia Sixie (slide show)

Where/born: Yidu, Shandong Province

when/live: Six century AD

where/work: Gaoyang, Shandong Province

what/do: study the science of farming

what book/write: Qi Min Yao Shu

the book/about: both the farming and gardening

the importance of the book: an important summary of the knowledge of farming

ening: let Ss listen to the tape and follow it, then finish the exercises (slide show)

True or false:

a was the earliest research center for agriculture. ( T )

Min YaoShu includes advice on the following subjects: growing green vegetables and fruit trees, keeping cows and sheep, and there are also instructions for making metals. ( F )

spring ploughing should be deeper than the autumn ploughing. ( F )

should plant rice in the same field year after year. ( F )

’d better grow different plants next to each other in the same field. ( T )

Step II Writing

1. Write a plan for a vegetable garden, using the tips in the book, page 49.

2. Read in the reading paper “A plan for a vegetable garden”

3. Assign it as written homework.

Period 6

Step 1 Revision (new words and language points)

Step 2 listening practice

1. Make the students understand what they are going to hear about and what they should do.

2. Play the tape for them to listen twice or three times.

3. Check their answers with the whole class.

Step 3 Workbook exercises

1. Check their answers to the vocabulary exercises and grammar exercises.

Step 4 Homework

Assign TALKING as oral homework

Period 7

Step 1 Revision

Step 2 Workbook

inue to do the exercises

Step 3 Reading

1. Allow the students a few minutes to read the introduction about the text in the reading paper.

2. Listen and Read the text “Greening the Hills”.

3. Let the students raise their questions about their difficulties.

4. Discuss the problems in the exercises. Ex 1 and Ex 2. (Answers are shown on the screen).

Step 4. Writing

1. Let the students read the introduction about the writing

2. Let the students read the short passage in the textbook.

3. Make the students understand what and how they should write.

4. Assign it as written homework in exercise books. (Read the sample essay in the reading paper, which may be of some help to the students with their writing).