Unit 9 When was it invented?

人教版9年级英语unit9导学练
课题：Unit9 When was it invented Section A（1a—2c）
课型：新授 第1课时 学习目标：学习一般过去时的被动语态和特殊疑问句。
教学重难点：
一般过去时态的被动语态
基本结构：助动词be（was / w ere）+及物动词 的过去分词
A thief was caught last night.
They were asked to speak at the meeting.
肯定式：It was made.
否定式：It was not made
疑问式：Was it made No, it wasn’t Yes, it was
学习过程：（一）预习导学
1) 教学When was the car invented It was invented in……
2) 教学Who were the light bulbs invented by And what are they used for
（二）自主学习：，自主完成以下单词和词组
1 发明 创造 2 计算器 3 用勺舀 4 调整的
5 后跟 6 电池供电的 7操作 8 拖鞋
9 加热 10用来做
（二）汉泽英
1)计算机是何时发明的？
2)谁发明了计算机？
3)计算机是用来做什么？
4)你认为什么是最有用的发明？
5)它能够给人们更多时间工作和玩
（三）合作探究：
1)教学 操练1a, 1c, 2c
学生看书本上1a的图画，根据图画，把1a, 1c, 2c中的语言点综合起来，叫学生相互间回答问题。并用刚刚学到的目标句型来操练。最后，抽查几对学生，让他们在全班面前，按要求进行对话。
2)教学1b, 2a, 2b ,听一听 填一填 完成1b, 2a and 2b.
四、拓展创新： 典型例题解析：
1.--What a nice classroom! --It ____ every day.
A. is cleaning B. has cleaned C. must clean D. is cleaned
解析：推测这句话的意思应该是“它每天都被打扫”，考查被动语态的结构be + 动词的过去分词。因此答案应该选D。
2.I know Beijing well. I ____ there three times.
A .will go B. have been C. went D. have gone
解析：推测这句话的意思“我很了解北京，我去过那三次”。表示去过应该采用的时态是现在完成 时，因此可排除A和C，区别have been和have gone, have been 去过；have gone 去了（还没回来）。因此应该选择B。
五．巩固测评： 翻译下列句子
1. 汽车是什么时候发明的？ ____________________________________
2. 它是1885年发明的。 ________________________________________.
3. 它们是去年发明的。 _______________________________________.
4. 它们是谁发明的？ __________________________________________
5. 它们是用来干什么的？ _______________________________________
6. 它们是用来在黑暗中照明的。 ___________________________________.
将下列各句改为被动语态
1. Bell invented telephone in 1876.
Telephone ________ ________ by Bell in 1876.
2. Mike broke the window yesterday.
The window _______ ________ by Mike yesterday.
3. They built the bridge in 2000.
The bridge ______ _______by them in 2000.
4. I bought my mobile phone last year.
My mobile phone ______ ________ last year.
5. We invited Mr. Zhang to give us a speech.
Mr. Zhang _______ _______ to give us a speech.
补全对话（有两项是多余的）
A: When was the telephone invented, do you know
B: Yes. ___1___.
A: ____2_____.
B: No, I think it was invented after the car.
A: ___3____.
B: It’s used for talking with our friends and relatives.
A: ___4____.
B: I think the car is more useful than the telephone. It can take us to everywhere we want to go.
A: Would you like to buy a car some day
B: ___5___.
A. What is it used for
B. I think it was invented in 1876.
C. Where was it made
D. I hope so.
E. Which do you think is more useful
F. Do you think it was invented before the car
G. I enjoy making telephone calls.
中考链接1.--Look at the sign on the right. --Oh, smoking ____ here.
A .doesn’t allow B. isn’t allowed C. didn’t allow D. wasn’t allowed
2. --Will you come to the dinner party --I won’t come unless Jim ______.
A. can’t be invited B. was invited C. will be invited D.is invited
说一说这节课你学到了什么知识？
学习(教学)反思：
课题：Unit9 When was it invented Section A（3a—4）
学习目标：
1、熟练掌握被动语态用法。
2、学会用被动语态表达对创造和发明事物的认识和看法。
教学重难点：主动语态被动语态
1．主动结构的宾语变为被动结构的主语；
2．主动结构的谓语动词由主动语态变为被动语态；
3．主动结构的主语变为介词by的宾语，组成介词短语，放在被动结构中谓语动词之后。在动作的执行者无须说明或不必强调时，by短语可以省略。
4．主动语态、被动语态两种时态要保持一致：
We repaired the motor.
The motor was repaired by us.
学习过程：
1.自主学习：句型转换
1). She was seen to come out of the library by him.（变被动语态）
2). When are trees often planted （变被动语态）
3). The League was founded in Guangzhou in 1922（就画线部分提问）
4). Did the students wear the school clothes a lot （变被动语态）
5). Kate took god care of the baby yesterday evening.（变被动语态）
6).His aunt bought him a bicycle.（变被动语态）
7).His aunt bought him a bicycle.（变被动语态）
2．合作探究1) 教学helpful, annoying
Ask students to give some examples to show what each word means. For example.
A vacuum cleaner is helpful. A very loud truck is annoying.
2) 教学3a
呈现alarm clock, light bulb, microwave over, tea, and so on的画面。Then ask the students the following questions.
T: Is the light bulb useful or annoying (Opinions may differ.)
S1: I think it’s useful.
T: Why is it
S1: Well, it gives people more time to work and play every day.
Then ask the students to make a list of five helpful inventions and fiv e annoying inventions on their own. Give the class about five minutes to do this.
3)教学 操练3b
Ask the students to work in pair the following talk using the target language.
A: What do you think is the most helpful / annoying invention
B: I think the most helpful / annoying invention is ……
A: Why is that
B: Well, it gives people……
3. 梳理归纳：
本节课主要的内容是主动与被动语态的 练习转换。
4.典型例题解析：
1.老人们被照顾地很好。The old ______ ______ after well.
解析： 这个题主要考查被动语态的结构be + 动词的过去分词和应用，在本题中应该是be looked after.
2. You can use the box ______ the toys.
A. carry B. carrying C. to carry D. carried
解析：在这个题目考查一个短语的应用 use sth to do利用某物做某事，因此答案为C。
5.巩固测评：下列句子改为被动语态。
1. I sent a letter to you last month.
2. Do we use it for cooking
3. Where did you build the bridge
4. Mother tells me a story every day.
5. Can he finish his homework on time
中考连接：
1. Although Tom failed the game, _____ he said he would try again.
A. \ B. and C. but D. because
2. I must practice _____ English, because it’s important while talking with a foreigner.
A. speak 　B. to speak 　 C. speaking Ｄ.speaks
说一说这节课你学到了什么知识？
学习(教学)反思：
课题：Unit9 When was it invented Section B（1a—2C）
一．学习目标:1．能力目标：能在具体语境中正确运用被动语态。
2．情感目标：培养爱国主义精神。
二．学习重点：重点词汇用法及一般过去时被动语态用法。
学习难点：被动语态用法。
三．学习过程:
（一）预习导学：Describe how food tastes.
（二）自主学习1. Potato chips were invented by m (错误).
2. He (撒上)some salt on them so they were s .
3. The (顾客) thought the potatoes weren't thin enough
4. He s lots of sugar on the cake, so it was very sweet.
5. You must put a little more salt in it, or it isn’t s enough .
.（三）合作探究：1) 教学 操练1a, 1c, 2c
学生看书本上1a ,1b 完成1a,1b
2)教学2a, 2b ,听一听 填一填 完成2a and 2b.
3)2a,2b中的语言点综合起来，叫学生相互间回答问题。按要求进行对话。完成2c.
四、拓展创新： 典型例题解析：
1. Potato chips were invented by mistakes.
mistake 作名词 “错误，误会”。也可以作动词 “弄错，犯错”。常见形式有：
make a mistake 出错
e.g. You have made a mistake here.
mistake…for… 错把……当作……
They mistook him for his brother.
by mistake 错误地
e.g. They sent the letter to me by mistake.
2. George wanted to make the customer happy.
make表示“使……怎么样”，其后常带复合宾语。常见结构为：主语+make+宾语+名词/形容词(做宾补)。例如：
The boss can make the young man a rich man.
五．巩固测评
1. The TV ____________ (invent) around 1927.
2. They are used for _______ (see) in the park.
3. This kite _________ (make) by Uncle Wang.
4. Tea ______________ (discover) a long time ago.
5. Our classroom _________________ (should clean) every day.
6. Many trees and flowers (plant) in our school last year and they made our school a beautiful garden.
说一说这节课你学到了什么知识？
学习(教学)反思：
课题：Unit9 When was it invented Section B（3a—4）
一．学习目标:1．能力目标：能在具体语境中正确运用被动语态。
2．情感目标：培养爱国主义精神。
二．学习重点：重点词汇用法及一般过去时被动语态用法。
学习难点：被动语态用法。
三．学习过程:
（一）预习导学：Describe how food tastes.
（二）自主学习：1. The most popular drink was i by a (偶然).
2. This (饮料) was d (发现) three thousand years before that .
3. Some l （叶子）from nearby (灌木 ) （落入） the water and (停留) there for some time .
4. The leaves in water (产生) a p smell .
（三）合作探究 1). 读3a回答问题
1. What is this article about
2. Was it invented on purpose or by accident
3. When was it invented
4. Who invented it
5. Who can tell us how it was invented
2)完成3a ,4a ,4b
四、拓展创新： 典型例题解析：
1. Did you know that tea…was invented by accident
by accident “偶然地，碰巧”。同义词组
是by chance，同义词是accidentally, 反义
词组是on purpose.
e.g. he found a new way to solve the problem
by accident.
2. Although tea wasn’t brought to the western world until 1610,
(1) although 作连词, 意为 “虽然,尽管”,引导让步状语从句, 我们不能根据汉语习惯, 在后面使用连词but, 不过它可以与yet, still连用;若主从句的主语相同, 且从句谓语含有动词be, 可将从句主语和动词be省略。
e.g. Although he is very busy, he always talks with us.
(2) not…until 意为 “直到……才”until 引导一个时间状语从句。
I did not go to bed until I finished my homework.
3. According to an ancient Chinese legend， the emperor Shen Nong discovered tea…
(1) according to 是个短语介词,意为 “根据……;依照……”后接代词,名词或由疑问词以及whether引出的名词性从句。
e.g. According to the radio, it will rain
tomorrow.
(2)discover意为“发现”，指发现的对象是
本来存在的。
find意为“找到”，强调结果。
invent意为“发明”，发明的对象是以前没
有的东西。
4. Some leaves from a nearby bush fell into the
water and remained there for some time.
nearby adj. “附近的“，
e.g. He works in a nearby factory.
(2)leaf 的复数形式为leaves
(3)remain 表示 “继续留在某处”
e.g. How long will you remain here
(4) fall into “落入, 陷入”
e.g. He was drunk and fell into the water
五．巩固测评 Complete the sentences :
1. 这样，发明了世界上最受喜欢的饮料之一。
。
2. 根据中国古代的传说，神农在室外火炉上烧饮用水时发现了茶。
。
3. 世界上最受欢迎的饮料是偶然发现的。
。
4. 这种饮料直到那之前的三千多年前被发现。
说一说这节课你学到了什么知识？
学习(教学)反思：
课题：Unit9 When was it invented Self check & Reading
一．学习目标:1．能力目标：能在具体语境中正确运用被动语态。
2．情感目标：培养爱国主义精神。
二．学习重点：重点词汇用法及一般过去时被动语态用法。
学习难点：被动语态用法。
三．学习过程:
（一）预习导学：Describe how food tastes.
（二）自主学习 根据课文内容，完成下列任务。
完成下列表格，每空词数不限。
Information about basketball
In China, basketball (1)______________ by many, for fun and exercise.
Basketball was invented by James Naismith who was a (2)______________.
The first basketball game in history was played on Dec. 21st, (3)______________.
In 1936 in Berlin, basketball game became an (4)______________.
Now basketball has become a more (5)______________ sport for people to watch worldwide.
（三）合作探究 读第1遍 判断下列句子的正(T)误(F)。
( ) 1. Basketball was invented in 1861.
( ) 2. Dr Naismith created the basketball game which was played indoors at first.
( ) 3. Dr Naismith divided all his classmates into two teams to play his new game.
( ) 4. Dr Naismith used the backboard to help the players put the ball into the basket.
( ) 5. Till now, there haven’t been any Chinese basketball players in NBA.
读第2遍 回答下列问题1. Who invented basketball
2. Why were the Berlin Olympics important for basketball
3. What is the aim of basketball
4. Name a professional basketball organization in America.
（四）梳理归纳：The sport of basketball is a little over a hundred years old.
a little与a bit
(1)相同处：
做状语，修饰比较级。例如：
He is a little /a bit better today.
做主语或宾语。例如：
Please give me a little/ a bit.
(2)不同处：
not a little=very not a bit=not at all
e.g. He is not a little tired.他非常累。
He is not a bit tired.他一点儿也不累
前置做定语时后常接of,但a little不接of, 而
a bit of 后的of 不可省略，即a little money
=a bit of money
四.巩固测评
( ) 1. They’re making too much noise here. Let’s
go ____.
A. somewhere quiet B. nowhere quiet
C. everywhere noisy D. anywhere noisy
( ) 2. —Didn’t he go home last Sunday
—______.
A. Yes, he did B. No, he did
C. Yes, he didn’t D. No, he doesn’t
( ) 3. ______ on real ice is very exciting.
A. Skate B. Skates
C. Skated D. Skating
( ) 4. We have ______ our sports meeting till
next Monday because of the bad weather.
A. put on B. put off
C. put down D. put up
( ) 5. ______ the students in the primary school
is about three thousand, and ______ of them
are girls.
A. A number of, two third
B. The number of, two thirds
C. A number of, two thirds
D. The number of, two third
说一说这节课你学到了什么知识？
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