高一英语第二十单元－教学教案

科目 英语
年级 高一
文件　high1 unit20.doc
标题 unit20
章节 第二十单元
关键词
内容
1 单词和词组：
ink come out throw away
metal pot form at the same time
include L.77
L.78
L.79四会
development print printing press method lightly
unknown everyday net fishing net sheet
describe steamL.77
L.78
L.80三会
carve
bamboo Middle East Spain
George Stephenson engine rocket L.77
L.78
L.80二会
2 日常交际用语：
复习第十五至十九单元出现过的日常交际用语。
3 语法：
复习第十五至十九单元学过的语法项目。
4语言运用：
运用所学语言，围绕造纸这一题材，完成教科书和练习册中规定的听、说、写的任务；阅读课文“Paper”，确切理解，深刻认识我国古代劳动人民的智慧及纸的发明对世界的影响，并完成有关课文内容的练习。
1. In the beginning they used to carve Chinese Characters on stones to record important dates in history.
起初，为了记载历史上的重要日期人们曾经在石头上铭刻中文字。
in the beginning :起初
①In the beginning, there was no paper nor pen, nor ink. People recorded information by carving.
起初，没有纸、笔、墨水，人们用雕刻的方法记载信息。
②In the beginning of my teaching career, I met many difficulties.
在我刚开始教书的时候，遇到很多问题。
2. But later, people developed a way of printing, using rocks.
但是后果人们利用石头研制出一种印刷的方法。
句中的—ing表示伴随动作。
①It’s very easy to solve such problems, using computers.
用计算机来解决这类问题就很容易了。
②She came back late yesterday, feeling very tired.
她昨晚回来很晚，感觉非常累。
3. How did the printing come out? 印刷的文字是怎样显出来的呢？
come out 印刷，出版。
①How often does the magazine come out?
这种杂志多长时间出一期？
②—“Where do the textbooks come out?”──教科书是哪出版的？
—“From People’s Education Press.”──人民教育出版社。
come across偶然遇到
①I came across my English teacher who taught me ten years ago yesterday.
我昨天遇到了10年前教我英语的老师。
②I came across this valuable book in an old bookstore.
我在一个旧书店里偶然找到了这本有价值的书。
come about发生
①When did the accident come about?
这次意外什么时候发生的？
②It came about in this way.
它就是这样发生的。
4. That doesn’t sound like modern printing.
那听起来不象现代的印刷术。
sound like听起来象，类似结构还有：look like, smell like …
①It sounds like American country music.
这听起来象美国乡村音乐。
②Everything on the ground looks like tiny toys when you stand at the top of the mountain.
站在山顶往下看，地上的东西都像是小玩具。
5. They carved a whole page of characters back-to-front in the wood.
他们把整页的文字反刻在木片上。
back-to -front “前后倒反”
back-to-back背靠背地 face-to-face面对面地
hand-to-hand一个一个传过去地 heart-to-heart贴心地
①The two girls are standing back-to-back. 两个女孩背靠背地站着。
②The two groups had a face-to-face discussion.
两组进行了面对面的讨论。
6. What was the problem with this method?
这种方法有什么不足吗？
method和way的区别。
①method方法，方式 (way of doing sth )指相当精心拟订的一组方法，并强调实施的效率和精确性。
eg. We are studying a new method of teaching English.
我们正在研究英语教学的新方法。
What’s the best method of cooking beef?
烧牛肉的最好方法是什么？
②way手段，方法 (manner, how to do sth )比method更为通用，可指单一的技巧也可指复杂的操作方法，还可以指一些人处理某一问题所采用的特殊方法。
eg. Do it (in )this way. 照这样做。
There are many ways of doing it.
做这件事有很多方法。
7. After you printed the book, you had to throw away the carved pieces of wood.
书印好之后，刻过的木板就只有扔了。
throw away“扔掉”“抛弃”。
eg.①These old books are valuable. Don’t throw them away.
这些旧书很珍贵，别把它们扔了。
②Let’s throw these old furniture away; we should get new ones.
这些旧家俱该扔了吧；我们该买新的了。
8. What did people use for keeping records in the past.
过去人们用什么作记载呢？
(1)keep a record 作记录 keep a diary 记日记 keep promise 守约 keep rules守规则 keep
a secret保守秘密
eg. ①It’s good for you to keep a diary every day
每天记日记有好处。
②Every one should keep promise.
每个人都该守约。
(2) in the past在过去，以往。反义词是：in the future.
eg. ①People used to light rooms with oil lamps in the past. Now they use electricity.
人们过去用油灯照明，如今都用电了。
②They suffered too much in the past, but now they live a happy life.
以前他们遭受了很大痛苦，现在过着快乐的生活。
9. The Chinese have been making paper for two thousand years.
中国人造纸已有2000年历史了。
have been doing现在完成时，表示一个动作从过去某时开始，一直延续到说话时还在继续进行，或可能继续下去，常与表示一段时间的状语连用，如：for two hours, since early morning, these few days等。
eg. ①It has been raining for three days.
雨下了三天了。
②We have been waiting for almost an hour.
我们在这儿等了几乎一个小时了。
10. As a result of this invention, much is known about Chinese history because records were kept on paper. 由于这项发现，很多东西被记载在纸上，中国的历史更多的被世人所了解。
much和much of指不可数名词，作主语时，谓语用单数。
eg. ①Much of the time was wasted.
很多时间被浪费掉了。
②In much of China, spring is usually very short.
中国很多地方，春季通常很短。
11. As there was no paper in these countries, no records were kept.
因为那些国家没有纸，没法做记录。
as的用法
①As he was ill, he didn’t go to school.
因为病了，他没去上学。
②As you are tired, you’d better rest.
因为你累了，最好休息。
③He reads as he goes along.
他边走边看。
④Do as you are told.
按告诉你的去做。
⑤The work is not so easy as you imagine.
这工作绝不像你想的那么简单。
⑥As a League member, I’ll take the lead.
做为一个团员，我应该带头。
⑦As anybody can see, this elephant is like a snake.
任何人都可以看出来，这头象像一条蛇。
12. The problem was that it was to valuable for everyday use.
问题是它太贵了，不宜做日常书写之用。
everyday: adj. 每天的 every day adv. 每天
eg. ①Cooking meals. is her everyday job. 烧菜做饭是她的日常生活。
②everyday English日常英语 everyday life 日常生活
③Her job is cooking meals every day.
她的工作是每天做饭。
13. This kind of paper was soft and light as silk but much less expensive.
这种纸像帛一样轻柔，但便宜得多。
as…as如…一样 as white as snow洁白如雪 as strong as a horse气壮如牛
①I’m sure he is fit for the work. He’s as strong as a horse.
我相信他适合于这个工作，他力大如牛呢！
②Everyone hates him; his death is as light as feather.
每个人都仇恨他，他的死轻如鸿毛。
完形填空
It was a strange noise (1) made the man (2) his car after he left a country village for London. He got out of the car and examined the wheels carefully, but as he found (3) he continued his way.
The noise began again almost immediately and now it was louder than ever. The man turned his head quickly and saw a great black cloud (4) the car. When he stopped at a village (5) , he was told that a queen bee (6) in his car as there were (7) bees nearby. So he drove away (8) and thought it would be the best way to escape. After an hour’s (9) , he arrived in London. He parked his car outside a hotel and went in to have a drink. It was not long (10) a man who had seen him arrive hurried in to tell him that his car (11) with bees. The poor man rang up the police and explained what had happened. The police decided to call a bee-keeper. In a short time, the bee-keeper arrived. He found the (12) passenger (13) near the wheels at the back o