unit 2 working the land 教案

Unit 2 Working the land
I. Teaching aims:
1. Target Language
a.Words and phrases
sunburn, struggle, super, expand, circulate, equip, export, rid ... of,
be satisfied with, would rather, thanks to,regret,focus on,keep…free from
comment,build up,equip,confuse
b. Important sentences
These put the minerals back into the soil,making it rich and healthy and ready to grow crops that need rich and fertilizer soil like corn or wheat.
But whatever they grow they make sure that what is left in the ground after harvesting becomes a natural fertilizer for the next year’s crop.
2. Ability goals
Enable Ss to learn more about agriculture, countryside and farming. By talking they can exchange their experience with each other. By reading they will realize the role that agriculture plays in human life. In fact this world faces a serious problem—starvation. So after reading the passage about Dr Yuan students will know the importance of his achievement to man. Of course they will learn from Dr Yuan some noble character.
3. Learning ability goals
Help Ss learn how to describe Dr Yuan Longping including his personality.
II. Teaching important points
a. Help to comprehend the text and grasp the main idea of the text.
b. Grasp the usage of some words and expressions.
c. How to help students make up their minds to make contributions to motherland in the future like Dr Yuan.
III. Teaching difficult points
a. How to help students learn more about agriculture.
b. Help students really master the usage of words and expressions.
IV. Teaching methods
Talking, questioning-and-answering activity and reading.
V. Teaching aids
A tape recorder, a projector and a computer.
The First Period
Teaching aim:
Key words and expressions in Unit 2.
1. struggle vi. & n.斗争；拼搏；努力
They struggled for peace. 他们为和平而战。
The old man has been struggling with/against illness.
这位老人一直在与病魔斗争。
We struggled through the crowd.我们在人群中艰难前进。
She struggled to keep back the tears.她强忍着泪水。
2. hunger n.饥饿；欲望 v.(使)饥饿 hungry adj.饥饿的；渴望的
During the war many people suffered from hunger.
战争中很多人饱受饥饿之苦。
She has a hunger for/after knowledge.她有着强烈的求知欲。
The whole world hungers for/after peace.
全世界人都渴望和平。
He hungered for friends.他渴望得到朋友。
3. disturbing adj.引起烦恼的；令人不安的
The news is very disturbing.这个消息令人极为不安。
She is disturbed.
disturb v.妨碍；打扰；使心神不宁
I'm sorry to disturb you so early.
对不起,我这么早打扰你。
She was disturbed to hear you had been injured in the accident.
她听到你在事故中受了伤感到不安。
4. expand v.膨胀；增加；扩大；扩展
Metals expand when they are heated.金属加热就会膨胀。
In ten years the city's population expanded by 12%.
十年之中,该城人口增加了百分之十二。
He is thinking of expanding his business.
他正考虑扩展他的生意。
5.circulate v.循环；流传 circulation n.
Blood circulates in the body. 血液在体内循环。
Rumour circulates rapidly. 谣言传得很快。
The heart circulates blood round the body.
心脏使血液在全身循环。
The news was circulated through the room.
这消息在屋里传开了。
6. thanks to 幸亏；由于；因为
Thanks to your help,we finished the task ahead of time.
多亏你们的帮助，我们提前完成了任务。
I was late thanks to the heavy traffic.由于交通拥挤我迟到了。
7.battle n.战役；战斗；较量；斗争 v.搏斗；奋斗
His younger brother died in battle during World War II.
他弟弟在第二次世界大战中阵亡。
The sailors battled with/against the winds and waves.
水手们与风浪搏斗。
We’re battling with our boss for a better working condition.
8.rid v.摆脱；除去 ridded ridding rid…of 摆脱；除去
You should rid yourself of that bad habit
你必须改掉那个坏习惯。
He has rid himself of debt他还清了债务。
We are trying to rid the world of hunger.
* get rid of / be rid of摆脱；去掉；除掉
He can’t get rid of the cold.他感冒老是不好。
I’m very glad to be rid of my bad cold.我很高兴我的重感冒已经好了。
9.be satisfied with 对……感到满意
( be pleased with be content with )
He seems to be quite satisfied with his life at present.
他似乎对目前的生活心满意足。
I was satisfied to pass the exam.
Your answer is not satisfying,so we are not satisfied at all.
你的回答不令人满意，所以大家一点儿也不满意。
To our satisfaction, he passed the exam.
10.would rather 宁愿；宁可
I’d rather work in the countryside. 我宁愿到农村去工作。
would rather…than…宁愿……而不愿……
I would rather stand than sit.我宁愿站不愿坐。
I would rather stay at home than go out.我宁可呆在家里，不想出去。
They would rather have noodles than rice.
他们宁愿吃面条，而不愿吃米饭。
would rather +从句
He’d rather you came on Friday.
I’d rather you hadn’t done that.但愿你没有做那事。
11.therefore adv.因此；所以；因而 ( thus)
He was down with the flu, and therefore couldn't come to the party.
他患了流行性感冒,因此未能前来参加宴会。
He studied hard,thus he got high marks.他很用功，因而得了高分。
12.equip v.配备；装备；使有准备；使有资格
equip sb. with sth. 用……装备
=be equipped with
The boys equipped themselves with food and sleeping bags and set off.
男孩子们带上食物和睡袋出发了。
Our hospital is equipped with modern machines.
我们医院配的有现代化的医疗器械。
We must equip ourselves with knowledge.
我们必须用知识武装我们自己。
equip sb. for sth. 使某人对……有所准备
They want their son to have a good education that will equip him for later life.他们想让儿子接受良好的教育，为其今后的生活做好准备。
equipment (U) n.设备；器材
13.export v.输出；出口
This company has a large home market but doesn’t export.
这家公司国内市场很大，不做出口生意。
India exports tea and cotton to many different countries.
n. (U)输出；出口 (C) 出口物；输出物
We depend on our export to earn more money.
我们依靠出口来多赚钱。
反义词：import v.进口；输入；引进
14.confuse v.使迷惑；使为难
They confused me by asking so many questions.
把……搞乱；打乱
Her unexpected arrival confused all our plans.
她突然来到把我们所有的计划全打乱了。
confuse A and / with B 混淆
Don’t confuse Austria and / with Australia.
不要把奥地利跟澳大利亚弄混淆了。
confused adj.糊涂的；迷乱的
confusing adj.莫名其妙的；难以理解的
15.regret v.遗憾；惋惜 n.遗憾；懊悔
Regret doing sth.做了某事而感到遗憾或后悔
Regret to do sth. 遗憾地做某事
He regrets having done such a thing.他后悔做了这样的事。
I regret to tell you that you didn’t pass the exam.
16. build up 逐渐增强；建立；开发
He tried to build up his strength.他试图增强体质。
He has built up a good fame for himself.
他已替自己建立起良好的名声。
17.lead to 导致；造成（后果）；通向
All roads lead to Rome.
Smoking can lead to lung cancer.
His mistake led to great confusion.他的错误导致了极大的混乱。
18.focus to 集中(注意力；精力等)于……
All eyes were focused on him.所有的目光都集中到他身上。
Please focus your minds on the following problem.
请集中考虑以下问题。
19.reduce v.减少；减缩；降低
Reduce quantity / pressure / speed
减少数量/降低压力/减低速度
She reduces her weight from 76 to 68 kilos.
她把体重从76公斤降至68公斤。
She was reduced to begging for her living.
她被迫以乞讨为生。
20.keep…free from / of 使……免受（影响；伤害等）；使不含（有害物）
The local government keeps the peasants free of tax.
当地政府免除了农民的税收。
You must keep all the food free from chemicals.
你们一定要使食物不含任何化学有害物质。
21.underline v.画底线标出；强调
Please underline the key words.请在关键字下面划线。
In his speech he underlined several points.在讲话中他强调了几点。
22.comment n.评论；议论 v.表达意见；做出评论
He made no comments on our proposal.
他对我们的建议没有作评论。
He did not comment on what I said. 他对我的话未作评论。
He commented that it was an excellent film.
他评论这电影很精彩。
The Third Period
I.Teaching aims and demands:
Warming up ; Pre-reading; Reading
II.Teaching important points:
a. To know something about agriculture.
b. To learn about Dr.Yuan and his achievement.
c. Reading skills.
III.Teaching procedures:
Step 1 Greetings
Step 2 Revision
Review what they have learned in Unit 2 by asking questions or checking their homework.
Step 3 Lead in
Ask: How many of you come from farmers’ families
Have you ever worked in the fields or Have you ever grown any crops
What kind of crops are grown at this time of year in the north/ south of China
Could you say something about how to grow rice / wheat / corn
( Chinese is OK if necessary.)
Continue asking:
Do your fields produce fine crops
Do you want your fields to produce more crops
Then how
Today I’ll introduce you a most famous scientist in China,
Dr Yuan Longping .Maybe he can give you some advice on how to produce more crops. Dr.Yuan is considered as a pioneer for all people .Do you why Read the text and find the answer.
Why is Dr.Yuan considered as a pioneer for all people
Step 4 Reading
Reading tasks:
1. Is Yuan Longping more of a scientist than a farmer
2. What are his achievements
3. What were his dreams and how far did he achieve them
4. What do you think of him
5. What do we learn from him
Step 5 Language points:
1. …for he works the land to do his research.
work vt.耕耘（土地） work the fields 耕种土地
2.Dr Yuan Longping grows what is called super hybrid rice.
what is called super hybrid rice为宾语从句
A computer and only do what you have instructed it to do.
计算机只能那你的指令做事。
3.Using his hybrid rice,farmers are producing harvests twice as large as before.用他的杂交水稻，农民们种出的粮食比以前多了一倍。
using his hybrid rice为现在分词短语作状语表“原因”，相当于
Because they use his hybrid rice, …
Not knowing what to do,I telephoned the police.
由于不知如何是好，我打电话给警察。
Having eaten too much, he couldn’t go to sleep.
因为吃得太多，他无法入睡。
Seeing nobody at home, she decided to leave them a note.
由于家里没有，她决定给他们留张便条。
5. Dr Yuan awoke from his dream with the hope of producing a kind …
袁博士从梦中醒来，希望能种植一种能更多人的水稻。
with the hope of 带着……的希望
He went to Beijing with the hope of finding a good job.
in the hope of doing /that… 希望做…
I called in the hope of finding her at home.
我希望她能在家才给她打的电话。
I studied hard in the hope that I can go to college in the future.
我努力学习，希望将来能够上大学。
Step 6 Homework
The Fourth Period
I.Teaching aims and demands:
Using language
Chemical or organic farming
II.Teaching difficulties and important points:
What are chemical and organic farming
What are their advantages and disadvantages
III.Teaching procedures:
Step 1 Task-reading:
1. Why are 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
Step 2 Language points:
1. Over the past half century,using chemical fertilizers has become very common in farming.
在过去的半个世纪里，在耕作中使用化肥已经非常普遍了。
1) over prep.(指时间)在……期间；直到……结束
We stayed there over the summer holiday.我一个暑假都呆在那里。
2) using chemical fertilizers 为动名词短语作主语。
2. Many farmers welcomed them as a great way…production.
很多农民喜欢使用化肥，把化肥作为防治农作物病虫害和提高产量的重要手段。
1) as a great way to stop / of stopping… 方式状语
2) pruduction n.(U)产量；生产量
Production has increased / decreased.产量增加/减少了。
生产；制造 the production of cars
产品；作品
The theme of his late productions was life and death.
他晚期作品的主题是生与死。
*辨别：
produce: 主要指农产品。
product(s):主要指工业产品。
production:主要指艺术作品。
3. In addition, fruit,vegetables and other food grown with chemical fertilizers usually grow too fast to be full of much nutrition.
另外施过化肥的水果，蔬菜和其他食物通常生长得太快而营养不良。
in addition ( besides): 另外；加之
There was an earthquake and,in addition,there were tidal waves.
除了地震之外，还有海啸。
in addition to: (介)除了……之外
He speaks French in addition to English.他除了英语之外，也会说法语。
4. They feel that this makes the soil in their fields richer in minerals and so more fertile.他们认为这样会使地里的土壤更富含矿物质。
rich adj.富饶的；丰富的 rich soil 沃土 rich hair浓密的头发
be rich in 富含……
Saudi Arabia is very rich in oil. 沙特阿拉伯盛产石油。
5. Crops such as peas or soybeans… , making it ready for crops such as wheat or corn that need rich and fertile soil.
像豌豆或大豆这样的农作物将重要的矿物质带回土壤，从而使之适宜于种植要求土壤肥沃的农作物。
making it ready… 为现在分词短语作结果状语
that need rich and fertile soil 为定语从句，修饰名词crops
6. Organic farmers also plant crops to use different levels of soil,for example,planting peanuts that use the ground’s surface followed by vegtables that put down deep roots.
有机耕作的农民还种植多种农作物来利用不同层次的土壤。比如，他们先种植生长于浅层土壤的花生，然后再种植生根于深层土壤的蔬菜
1) that use the ground’s surface…为定语从句，修饰名词peanuts
2) followed by… 为过去分词短语作定语修饰名词peanuts
3) that put down deep roots为定语从句，修饰名词vegetables
7. Some organic farmers prefer planting grass between crops to prevent…,and then leaving it in the ground to become a natural fertilizer for the next year’s crop.
还有一些有机耕作的农民喜欢在农作物之间种草，以防止水土流失，并且把草留在地里，从而成为来年农作物的天然肥料。
leaving it in the ground… 为动名词短语作prefer的宾语，与planting为并列成分。
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