人教版高三教学案一体化Unit 4 Green world

发布时间:2016-9-12 编辑:互联网 手机版

The first teaching period

Teaching content:words and expressions

Teaching Aims and Demands:Enable the students to pronounce all the words and expressions correctly.

Grasp the usages of some key words and expressions.

Teaching procedures:

Step 1. Reading

Get two or three students to read the new words and expressions.

Let the students read after the teacher.

Step 2 Explanation

1.bunch 串,束,团

a bunch of grapes 一串葡萄 a bunch of flowers 一束花

a bunch/ set of keys一串钥匙

2.promote vt. 促进,促销,提升

1)使(某人)晋升为……

The boss promoted him to be the post of chief accountant. 老板升他为会计主任。

The instructor___________________________. 那位讲师升为教授。

注:接在to 之后表示地位之名词不加冠词。

2)促进,促销

promote foreign trade _________________

promote a new product _________________

3)n. promotion get / be given a promotion 获得升级

3.appoint vt. 任命,约定,(时间,地点等)

1)appoint +n.

The president appointed a new director. 总经理任命一位新主任。

2)appoint +n. +(as/to be) 任命某人为……

We ____________________________我们选他担任主席。

3)appoint sb. to do sth. 指定某人做某事

The teacher appointed me to sweep the classroom.老师指定我打扫教室。

4) n. appointment

I made an appointment with /to see the doctor at three. 我和医生约好3点钟看病。

5) adj. appointed 指定的,约定的 at the appointed time 在约定的时间

4.expense n.----adj. expensive

living expenses ___________ cut down expenses_____________

He paid all the school expenses by himself. 他自己筹措支付所有的学费。

at the public expense 用公费 at one’s own expense__________

spare no expense不惜花费 household expense 家庭支出

5.involve 包括,牵涉,使参与,需要

involve +n. + in/with

Don’t involve me in your quarrel. 不要把我卷入你们的争吵。

He ________________the murder. 他与这次谋杀案有关。

What does the editing job involve? 编辑工作包含些什么?

Winning the game involves both skill and fortune.

想赢得这场比赛,既要技巧也要运气。

使热衷于,使专心于 be involved in

He is involved in stocks. 他现在热衷于股票。

6.abandon 离开,遗弃

__________________戒烟 abandon one’s post 放弃职位

abandon one’s family抛弃家庭 abandon one’s hope 放弃希望

abandon oneself to 沉溺于……

abandoned被抛弃的

7.nowhere adv. n. 任何地方都不,无处,不知名的地方

I went nowhere this afternoon.= Nowhere _______________this afternoon.

The key was _________________那把钥匙到处找都找不到。

Those children had nowhere to play.

8.distinguish vt. vi. 区别,辨别

1)distinguish (between)

I couldn’t distinguish (between) the twin brother.

distinguish A from B=differ / tell A from.B. 把A和B区分开来

Please tell me ____________________________________________

2)distinguished adj. 著名的,显眼的

a distinguished scholar 著名的学者

He is distinguished for his knowledge of science.

9.in detail=at length 详细地

Step 3 Consolidation

According to the first letter and meanings, fill in the blanks.

1. Saving money year after year his parents a_________(put together) enough to pay for his living expenses abroad.

2. Bookshops across the country invited the author to sign his new novel, hoping to p_________(push) its sales.

3. Can you c__________(work out) the cost if we stay in Europe for a couple of weeks?

4. After 15 days it was decided to a____________(stop) the search for people who might have survived the coal mine accident.

5. Unlike other officials, the mayors of the country’s major cities are a_________(chosen) by th government.

6. To open a bank account here you should show them an i___________(evidence of identity) such as a passport or a driver’s license.

7. The ancient a__________(study of the heavens) has progressed from studying stars and planets to the study of the nature of the universe and possibilities for space travel.

8. Despite all the fame Tom Hanks has gained as a movie star, he has a a_______(strong desire )for further success in his art career.

9. At her grandparents’ Anna was offered a small , but c____________(warm and comfortable) room.

10. Few of the younger students have the p__________(special right) to use the professor’s private library.

Homework:

Recite the new words and expressions.

Preview Reading on Page 30-31.

The second teaching period

Teaching content: The Birth Of A Science

Teaching Aim:

Get the ss to learn and grasp the main idea of it to improve their reading ability

Teaching Difficult Points:

How to train the students’ reading ability in learning the text.

Teaching Procedures:

Step 1 Revision

Have a dictation (new words and expressions)

Step 2 Fast-reading

Get the students to read the whole text and then choose the best answers.

1.In the sixteenth century , botany was a branch of____.

A. biology B. physics C. astronomy D. medicine

2.Which of the following sentences is true?

A. Linnaeus’ contribution to science was quite small.

B. All of Linnaeus’ ideas were completely new.

C. Before Linnaeus there was no system to classify plants.

D. Linnaeus’ system was simple and clear.

3.Joseph Banks chose a career in science because_____.

A.he thought that was a good way of making money.

B. he was interested in botany.

C. his father had died when he was only eighteen years old.

D. he was very wealthy

4.The members of the Royal Society abroad the Endeavour included______

A. Joseph Banks and James Cook B. Carl Linnaeus and Joseph Banks

C. James Cook and Daniel Solander D. Daniel Solander and Joseph Banks

5.Joseph Banks interests lay in _____.

A. astronomy and botany B. botany and medicine

C. agriculture and botany D. geography and economy

Step 3. Reading

Get the students to read the text again and answer the following questions;

1.How many goals of James Cook’s first voyage around the world were there?

2.Why did Joseph Banks have to supply his own money to equip part of the expedition? How much did he pay?

3.How did scientists classify plants before Linneus?How did Linnaeus do this?

4.What did the word “appetite” in the third paragraph mean?

5.What could be a possible explanation for the name “strawberry”?

Step 4.Listening

Play the tape for the students to listen and underline the phrases.

Homework:

Read the text after class.

The third teaching period

Teaching content:Reading

Teaching Important points:

Help the students to analyse some difficult sentences.

Teaching difficult points:

Master the drill: It’s…that…

Teaching procedures:

Step 1 Revision

Ask the students to tell the main events according to the given time

1759 _______________________________________

1761 _______________________________________

1768 _______________________________________

1771 _______________________________________

Step 2 Explanation

1. make an attempt to do sth.

make an attempt at doing sth.

They made no attempt to escape.

An attempt was made on the King’s life.

2. classify…into…

Children are classified into grades.

Eggs are classified according to size.

3. have an appetite for He had no appetite for fight.

have an appetite He has a good appetite and eats much every meal.

4. It’s…that…

1) It’s I as well as my parents that /who______ to blame.

A. am B. is C. are D. were

2)---where did you meet Tom this morning?

---It was in the hotel_____he was staying.

A. that B. where C. which D. what

3)It’s in Beijing, ____ is our capital, ____ the next Olympic Games will be held.

A. that; that B. which; that C. that; which D. which;where

4)It was in the park _where___ they met the first time _that___ he told us the story.

Step 3 Analysing

Help the students to analyse some difficult sentences in the passage.

Homework :Read the text after class.

The fourth teaching period

Teaching content: Grammar

Teaching Important points:

The usage of Object

Teaching difficult points:

How to master the meanings of the useful words above and use them freely.

How to use the different forms of words as object.

Teaching Procedures:

Step 1 Revision

Have a dictation

Step 2 Word study

SB Page 32.Tell the students to find a word in the box that has similar meaning to the underlined part in each sentence to replace the underlined part. Then translate the sentences into Chinese.

Step 3 Reviewing Object

1.名词作宾语

Only by studying hard can we get more knowledge.

He has to look after his mother.

2.代词作宾语

Do you think it necessary to learn to drive now/

Do you like that one?

3.不定式作宾语

More and more people get to know how to improve their living conditions.

He hopes to become an artist.

I don’t know what to do.

4.v-ing形式作宾语

He has finished writing his report.

I’ve got used to getting up early now.

5.从句作宾语

Do you know who will give us a talk this afternoon?

The teacher told me the sun sets in the west.

He asked if/whether I would help him carry the box

Everything depends on whether we have enough money..

6.数词作宾语

If you add 1 to three , you will get four.

Step 4 Practice

1.SB Page 33 Tell the students to underline the Object(s) in each sentence, and tell what is used as the Object (a noun ,a pronoun , ect )

2.Complete the following sentences

1) I hope____________________________________________

2) We don’t think_____________________________________

3) He suggested______________________________________

4) The boss insisted___________________________________

5) I doubt __________________________________________

6) Let’s first find out__________________________________

7) Alan is hesitating___________________________________

8) I have no idea_____________________________________

Step 5 Consolidation

Translate the following sentences.

1.他昨天把这本小说送给了我。

_______________________________________________

2.她昨晚把雨伞借给了我。

_________________________________________________

3.母亲节那天她送给她母亲一份礼物,使她的母亲既惊讶又高兴。

___________________________________________________________

___________________________________________________________

4.John把他的电子邮件地址告诉了他的中国笔友,以帮助他提高他的英语

水平。

________________________________________________________________

.

The fifth teaching period

Teaching content: Integrating Skills

Teaching Aims:

Get the students to grasp the main idea of the text so as to improve their reading ability.

Teaching Important Points:

How to analyze an article so as to grasp its main idea.

Teaching Difficult Points:

How to improve the students’ reading ability and how to analyze an article.

Teaching Procedures:

Step 1 Revision

Have a dictation.

Step 2 Fast-reading

Give the students a few minutes to read the text and answer the following questions.

1.What was Charles Darwin’s hobby when he was young?

When he was young, Darwin enjoyed doing all kinds of experiments and studying physics, chemistry and later botany was his hobby.

2.What led Darwin to write his famous book “On the Origin of Species”?

When he was 22,he was invited to take part in the scientific expedition on the Beagle. His observations on the five-year voyage led him to write his famous book On the Origin of Species.

3.Who founded the science of genetics?

It was the research work of Mendel that gave birth to the science of genetics.

4.Who made a contribution to the improvement of the output of crops according to the text?

Mendel’s genetics and Turesson’s findings are both important to the output of crops.

Step 3 Reading and comprehension

Tell the students to read the text carefully again and answer the following questions. Let them to discuss their answers. Then check their answers with the whole class.

1.What did Darwin discover about bird species in Galagagos?

The differences in habitat and source of food led to different species.

2.What did Mendel observe in his experiments with peas?

He found that many characteristics were passed on from one generation to the next, without influence by the environment.

3.Looking at wild plant species in Sweden , what did Turesson discover?

He showed that differences between plants of one species occurred as a result of the environmental conditions in the habitat.

4.What were Darwin’s discoveries based on?

Step 4 Language points:

1.experiment

1)n make /carry out /perform an experiment 做实验

2)v experiment on animals 用动物做实验

experiment with new methods 实验新方法

2.relate

1)relate…to…使……与……有联系

I can’t relate what he says to what he does.

2)be related to

The book is related to pollution. 这本书上有关污染的。

He said he was related to queen. 他与女王有亲戚关系。

3)related to 作后置定语

The case related to Tom is being investigated by the police.

4)relation n.

3.design sth for sth / to do sth 打算做……用, 意图……

The film is designed /intended/meant for adults. 这部电影是给成年人看的。

4.view 观察,视力,视域

come in view 出现在视野 bring sth back in view 重现在视野

in one's view 在某人看来

The speaker stood in full view of the crowd. 那演讲者站在听众可以完全看得见的地方。

The police brought back the spot where he was murdered in view. 警方重现了他遇害的现场。

Step 5 Analyzing

Help the students to analyze the following sentences.

1.It was Darwin’s visit in the Beagle to the Galapagos Isles that gave him the key ot his new theory.

2.Back home ,in England ,Darwin realized that differences in habitat could lead to different species in birds as well as in plants.

回到英国,达尔文意识到栖息地的差别会导致鸟类的差别,植物也一样。

3.Although his experiments were designed to support the ideas concerning tie influence of environment upon plants., he found that many characteristics were passed on from one generation to the next, without influence by the environment.

尽管他的研究原本是要证明环境对植物的影响,但他发现许多植物的特点在一代代的流传中并未受到环境的影响而保存了下来。

4.When growing on rocks, the plant grows to a bush , having broad leaves and large flowers.

5.However, Turesson’s findings show that habitat, such as soil conditions, is of equal importance to the output of crops.

然而,杜尔松的发现说明生长地,比如土壤的条件,对作物的产量也同等重要。

Homework:

Read the text after the text.