人教版英语九年级全册Unit 6 When was it invented?Section A (2a-2d)导学案

人教版英语九年级全册第六单元Section A (2a-2d)导学案
Unit 6 When was it invented Section A (2a-2d)
预习目标：
To listen and talk about the useful inventions and their history , using passive voice.
(1). -- What is it \ are they used for -- It is \ They are used for ...
(2). It’s used in our daily lives.
(3). The pioneers of different inventions were listed there.
2. 通过谈论有用的发明，巩固一般过去时态的被动语态以及用法。
预习导学：
复习前面学过的一般过去时态的被动语态：
结构：主语 + be (was\ were) + 动词过去分词 + 其它.——肯定句
主语 + be ( was\ were) + not + 动词过去分词 + 其它.——否定句
Be (was \ were) + 主语 + 动词过去分词 + 其它？——一般疑问句
例句：The thief was caught by the policeman .（肯定句）
The thief wasn’t caught by the policeman. （否定句）
Was the thief caught by the policeman （一般疑问句）
练习题：用所给词的正确形式填空。
1.All the bananas and strawberries __________ (eat) by the hungry children.
2. The little boy ___________ (feed) only a piece of bread.
3. A set of keys ___________ (lose) and the man was worried.
4.Tom’s homework ___________ (do) on time yesterday.
5.A lot of trees ___________ (plant) on March 12th last year.
6. The telephone____________ (invent) long long ago and it was useful .
参考答案：
1.were eaten 2.was fed 3.were lost 4.was done 5.were planted 6.was invented
预习导学：
2a Listen and number the inventions [1-3] in the order you hear them.
____________ shoes with special heels （带有特别的后跟的鞋子）
____________ shoes with lights （带有灯光的鞋子）
____________ hot ice-cream scoop , runs on electricity （电动的加热冰激凌的鞋子）
2b Listen again and complete the chart.
Invention What is it / are they used for
shoes with special heels _________ the style of the shoes
shoes with lights Seeing _______________________________
hot ice-cream scoop ________ really cold ice-cream
参考答案：1.changing 2.in the dark 3.serving
听力材料中的一些短语：
1.in the dark在黑暗中 2.in style流行的, 时髦的\ out of style过时的\the style of… ……的样式\款式 3.be used for... 被用来做。。。
2c Make conversations using the information in 2b.
A: What are they used for
B: They’re used for...
具体来说：
A:What are the shoes with lights used for
B:They’re used for seeing in the dark.
或者：A:What are hot ice-cream scoop used for
B:They’re used for serving for really cold ice-cream.
A:What are shoes with special heels used for
B:They’re used for changing the style of the shoes.
注意区别：be used for doing sth.与be used to do sth.
be used for doing sth.“被用来做某事”。与be used to do sth. 同义——表用途、目的。
例如：The shoes are used for avoiding hurting.=The shoes are used to avoid hurting.
2d Role-play the conversation.
Read the conversation for the first time and answer the following questions.
1. Who invented the zipper ________________________________________
2. When was the zipper invented _______________________________________
3. When was it used widely ____________________________________________
参考答案：1.It was invented by Whitcomb Judson. 2.It was invented in 1893.
3.It was invented in 1917.
Read the conversation again and translate the sentences.
1.拉链是在1893年被惠特科姆.贾德森发明的。
The zipper ______ ____________ _______ Whitcomb Judson ______ 1893.
2.但是在那个时候，它还没有被广泛使用。
But ______ ________ _________, it _________ _________ widely.
参考答案：1.was, invented, by, in 2.at that time , wasn’t used
练习题：
一、翻译短语
1.be used for______________ 2.think of ____________ 3.my pleasure ____________
4.think about ______________ 5.our daily lives____________ 6.have a point_________
7.at that time_____________ 8.become popular____________
参考答案：1.被用作… 2.想到 3.很荣幸 4.考虑 5.我们的日常生活 6.有道理 7.在那时 8.变得受欢迎; 变得普遍
翻译句子
1. 拉链是什么时候发明的？ When _______ the zipper ______
2. 你好像说的有道理。 You do seem to _______ ____ ________ .
3. 拉链在那个时候还没有广泛被使用。
Zippers ______ ______ time ________ ________ widely.
有特别后跟的鞋子被用来改变鞋子的样式.
Shoes ________ special heels ______ _______ ________ _________ the style of the shoes.
5. 拉链被用于日常生活. Zippers are used in ________ __________.
参考答案：
was , invented 2.have a point 3. at that , weren’t used 4.with , are used for changing \ are used to change 5.daily lives
用所给词的正确形式填空。
Oh , look at the big meal , do you know when _____ it _______ (prepare)
The beautiful dress _________ _________ (make) by the kind woman.
Luckily , the task（任务）________ _________ (finish) in time.
The things she should do ________ _________ (list) on a piece of paper .
Yesterday , the apples ________ __________ (pick) on the farm.
参考答案：1.was , prepared 2.was made 3.was finished 4. were listed 5.were picked
按要求改写句子。
1.They used a pen to write an article yesterday. （改为被动语态）
An article _____ ________ by them yesterday.
2.They found a girl crying in the corner.（改为被动语态）
A girl ______ _________ crying in the corner by them.
3.Alice watered the flowers in the morning yesterday.（改为被动语态）
The flowers ________ __________ in the morning yesterday by Alice.
1.was written 2.was found 3.were watered
选择题
—Thank you for helping me. — __________ !
Not thank me B. With pleasure C. It doesn’t matter D. Don’t say like that
—What are they used for —They are used for _______ really cold ice-cream.
A.serve B.serves C.serving D. served
参考答案：1.B 2.C
同学们，以上就是人教版英语九年级全册第六单元When was it invented Section A (2a-2d)导学案，希望你们认真对待。每个单元的第二节课，主要是听和说，目的是通过目标语言的训练来积累素材，一定要牢牢掌握。本单元的主要内容是一般过去时的被动语态，要掌握结构was\were+及物动词的过去分词+其它。另外，后面的练习是为了巩固一般过去时的被动语态，先看书，再练习。