Learning about Language特级教师教学实录

Book4 Unit 2-- Working the land Period 2-- Learning about Language

设计老师：李忠萍

Teaching content: Learning about Language(Page12-13) Teaching aims: 1,Grasp the usage of some words and expressions.

( sunburnt, hunger, expand, struggle, rid…of,thanks to…)

2, Help students really master the usage of words and expressions. 3,Learn more about Yuan Longing and organic farming. Teaching key points:

Grasp the usage of some words and expressions. Teaching difficult points:

Help students really master the usage of words and expressions.

Teaching methods: Checking,inductive teaching method。

Teaching aids: A computer ,a blackboard. Teaching procedures: Step I:Check the homework “Discovering useful words and expressions—exercise1-3”

Step II：

Language points

1.

…for whom he has struggled for the past five decades.

struggle vi. 搏斗, 挣扎, 努力, 拼搏

e.g. They were struggling to get out the burning car. 他们挣扎着从烧着的车里往外爬。

She struggled upthe stairs with her heavy bags. 她提着沉重的行李艰难地走上楼梯。

struggle n. 努力, 拼搏

e.g. We should all believe in ourselves in the struggle of life.

Mary’s struggle with the disease lasted ten years.

[搭配] struggle against/with struggle for sth. 与……斗争

为争取……而奋斗/斗争

struggle to do sth. 努力做某事

根据括号内的汉语提示补全句子。

1) We should be brave to _____________ (同……做斗争) the difficulty. 2) The _______ (斗争) for independence was long and hard.

3) Three brothers ____________ (为争取……而斗争) the possession of a jewelry box. 2. Thanks to his research, the UN has more tools in the battle to rid the world of hunger.

1) thanks to 表示“幸亏, 多亏”多用于表达正面意思, 相当于感谢, 在句

中作状语和表语。

e.g. Thanks to your help, much trouble was saved. 多亏你的帮助, 减少了许多麻烦。 2) rid … of … 用法 The man rid himself of debt. It is very hard for the people to rid the earth of pollution. rid ... of 意为“_________”，此时，rid 作___词，rid oneself

of sb. / sth. 意为“摆脱，从……中解脱” Will science finally rid us of this disease? rid sb. / sth. of sb. / sth. 意为“去除，清除”

[注意] rid 还可以作名词, 构成短语

get rid of, “摆脱掉、除掉、处理掉”。如: It’s easy to get into the habit of taking drugs but hard to get rid of it. We can’t get rid of war until we get rid of the causes of war.

完成句子，使其与所给的句子意思相同或相近。

1) It is not easy for him to get rid of the It is hard for him to ___ ______ __ the 2) He plans to give up smoking in two bad habit. bad habit. months. He plans to _________ _________ __ smoking in two months.

3. He would much rather keep time for his hobbies. 阅读下列句子, 试着归纳

would rather 的意思及用法。

1) I think at the beginning we’d rather have some fairly quiet and peaceful music. 2) Most young people would rather not listen to the Beijing Opera.

3) Would you rather stay here or go home?

[归纳] would rather 意为

___________, 其后接动词原形。

[拓展] would rather ... than ... 意为“宁愿……而不愿……”。如：

Jack would rather buy a bike than a motorbike.

翻译下列句子。

1) 她宁愿死也不愿意投降。 2) 我宁愿你现在回家。

3) 我宁愿你昨天没做那件事情。

4. He therefore gives millions of yuan to equip others for their research in agriculture.

[考点] therefore adv. 因此；所以；因而，表示因果关系。

[考例] Progress so far has been very good. ______, we are sure that the project will be completed on time. A. However C. Therefore B. Otherwise D. Besides

[ 点拨

] 题意是“至今情况进展良好，因此我们确信能按时完成这项工

程。” 前后两句为因果关系，故选

therefore ；however 然而，可是；

otherwise 否则，要不然，二者均表示转折关系；besides 而且，也不符

合题意。

5. What do you think would happen if tomorrow there was suddenly no rice to eat?

[点拨] 本句中使用了插入语

do you think。插入语经常插到一个语法结

构完整的句子里去，

对句子的内容作一些附加说明，

有时表示说话者的

态度和看法等，它不和句子的成分发生结构上的关联，常置于句首、句

中或句末。把插入语去掉之后，句子的结构和语义还是完整的。

[拓展] ①常用于插入语的动词有

suppose, know, hope, believe, guess, find, say 等。如：

You came by air, I suppose. ②用作插入语的主要有：副词、形容词、介词短语、不定式、动词-ing 形式短语和分句。如：

Two middle-aged passengers fell into the sea. Unfortunately, neither of them could swim. If she ran towards it, it might attack her. Worse still, it could even carry off the baby in its mouth. Your performance in the driving test didn’t reach the required standard — in other words, you failed. To be frank with you, I have no money on me. Judging from what he said to me today, his mind’s made up. It is so nice to hear from her. Believe it or not, we last met more than thirty years ago. [仿写] ________________________ _____________________ (令我惊

讶的是, 他说的话和所做的事没有任何关系。) 从

A、B、C、D 四个选项中选出最佳选项。

①

—What fruit is in season now? —Pears and apples, ____.

A. I know B. I think C. I see D. I feel ②

—Have you got any particular plans for the coming holiday? —Yes, ____, I’m going to visit some homes for the old in the city. A. If ever C. If anything B. If busy D. If possible 6. Although he is one of China’s most famous scientists, Yuan Longping considers himself a farmer, for he works the land to do his research.

[分析] ①

本句是一个主从复合句。

②

主句是

Yuan Longping considers himself a farmer; Although 引导让步

状语从句; for 在此是连词; 表示原因。

[句意] 尽管是中国最著名的科学家之一，

袁隆平仍然认为自己是个农民，

因为

他在田间耕作，进行科学研究。

[仿写] 尽管我弟弟学习刻苦, 但是他考试老是不及格，因为他很粗心。

________________________________, ____________________.

7. In 1973, he became the first agricultural pioneer in the world to grow rice that has a high output. the first ... to do sth. 第一个做……。动词不定式(to grow rice) 作定语, 修饰 the first agricultural pioneer。the first, the last, the second, the only 等

短语后多用动词不定式作后置定语。

[仿写] ____________________________________________________________ he always fails in exams, 公元

950 年第一个到达新西兰的旅行者是一个叫库佩的人。

8. Yuan Longping searched for a way to increase rice harvests without expanding the area of the fields. [分析] ①

本句是一个简单句。

② Yuan Longping searched for a way to increase rice harvests 是句子的

主干，“without+动词-ing 形式短语”在句中作状语。

[句意] 袁隆平要在不增加土地面积的基础上寻求增收稻谷的途径。

[仿写] 她不辞而别。

She left ______________________.

9. These increased harvests mean that 22% of theworld’s people are fed from just 7% of the farmland in the world.

[分析] ①

本句是一个主从复合句。

②

主句是

These increased harvests mean, increased 为过去分词作定语, 修饰

harvests; that 引导的是宾语从句。

③ “分数或百分数+ of+复数可数名词”结构作主语时, 谓语动词用复

数形式; “分数或百分数+ of +不可数名词”结构作主语时, 谓语动

词用单数形式。从句的主语为 22% of the world’s people, 故谓语用

are。

[句意] 这一粮食产量的增加意味着仅占世界

7%的耕地养活了世界上 22%的

人口。

[仿写] 收集到的资料表明超过 20%的野生动物已经在森林里消失。 The collected information shows that more than ___________________ __________________ in the forest.

10. Using his hybrid rice, farmers are producing harvests twice as large as before. 英语中的倍数表达法共有三种形式: 1) 倍数 + 形容词/副词的比较级 + than... 2) 倍数 + as +形容词/副词的原级 + as...

3) 倍数 + the + 名词+ of... e.g. This building is five times higher than that one. ________________________________________ This building is five times as high as that one. _______________________________________ This building is five times the height of that one. 这座楼是那座楼的五倍高。

Step III：Practice【当堂训练】

Exercises I. 根据下列各句句意及所给单词的首字母或汉语提示

, 写出所缺单词的

正确形式。

1. We were all _________ (晒黑的) from a day on the beach.

2. She’s s________ to bring up a family alone.

3. The measures will enable us to increase our o_____ of bicycles soon.

4. He was down with the flu, and ________ (因此) couldn’t come to the party.

5. The d________ problem has been making him hard to sleep every night.

6. In ten years the city’s population e_______ by 12%, which has made the city more crowded. 7. Our products are ________ (出口) to Southeast Asia to gain more benefits.

8. Blood _________ (循环) in the body until life stops.

Keys: sunburnt, struggling, output, therefore, disturbing, expanded, exported, circulates

II. 根据括号内的提示翻译下列句子。

1. 我倒宁愿他告诉了我这件事。(would rather) 2. 我们必须除去花园的杂草。(rid ... of)

3. 我们必须与各种困难作斗争。(struggle against)

4. 卧室是厨房的两倍大。(as ... as)

Keys: I’d rather he had told me about the matter. We have to rid the garden of weeds. We must struggle against all sorts of difficulties. The bedroom is twice as big as the kitchen.

Step IV Homework: Review the language points and difficult sentences we have learned this class.

manage expect decide seem offer imagine suggest avoid admit practise hate love prefer remember regret Step Ⅴ Homework 1. Finish exercise 4 on Page 13. 2. Next time we’ll learn Organic Farming on Page 14. Find some information.