高三英语教案 Unit 4 Green World

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.

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