Unit 9 When was it invented?单元教案

Unit9 When was it invented
一．单元分析
本单元主要围绕着“inventions”这个核心话题，通过“Talk about inventions”，学习一般现在时被动语态的陈述句和疑问句。Section A 就inventions的时间发明人以及用途展开讨论，要求学生对发明表达看法，以小组活动的形式讨论鲁滨逊独处小岛情况下，发挥想象帮他出岛。Section B围绕 the history of chips 和 who invented tea 进行听说读写的训练。Self check 通过不同的Inventions对学生进行词汇和写作训练，拓展阅读围绕Do you know when basketball was invented 设置了五项任务，让学生在完成任务的过程中提高综合语言运用能力。
二．教学目标
语言目标
1.掌握一般过去时的被动语态。
2.学会谈论发明的历史，会使用以下基本句子：
When was the car invented It was invented in 1885
Who were they invented by They were invented by …
What are they used for They are used for seeing in the dark.
重点词汇及短语：
salty, sweet, sour, crispy, pleasant, potato chips, slipper, leaf, fire, scoop, light bulb, microwave oven, abacus, camera, beverage, be invented by, be used for, by mistake, by accident
3。能表达对不同发明的喜好并陈述原因，如I think …is the most helpful invention, because…
认知目标：
弄清主动语态与被动语态的差异，通过练习和运用加以巩固。
情感目标：
1.通过本单元学习使学生懂得人类的科学发明创造了丰富的物质文明，了解中外发明者的事，增强民族自豪感，勤奋学习，立志为社会多作贡献的精神。
2.能客观的认识自己，培养学生的创造发明的能力和愿望,
文化意识目标；
通过对中国发明创造及外国先进文明的了解，开阔眼界，为促进东西方文化交流打好基础。
学习策略目标
1． 认知策略：通过收集信息，相互交流的方式，了解中外发明家及其发明， 培养观察力注意力想象力及逻辑推理能力。
2． 交际策略：在谈论个人看法的过程中，学会欣赏别人，学会与人沟通。
3． 资源策略：通过谈论一些发明的背景用途等，把相关学科的信息联系起来，体现学科融合，资源共享的现代教学方法。
教学提示
充分利用多媒体等教学设备，设计与本课话题相关的情景，如不同种类的发明，人物，实物等等。围绕着本单元的教学目标，设计一些贴近学生实际的教学任务，让学生谈论身边的发明如电话、电脑、汽车、茶叶、篮球以及对一些当代发明的看法;让学生根据所学知识,自己进行创新设计等等.
课时安排
5课时
第一课时:Section A: 1a-2c
第二课时:Section A: : 3a, 3b, 4
第三课时Section B: 1a, 1b, 2a, 2b, 2c，self check 1
第四课时: Section B: 3a, 3b, 4a, 4b self check2
第五课时: reading
Period 1
Teaching contents（教学内容）
Section A 1a 1b 1c 2a 2b 2c
Teaching aims（教学目标）
学习一般过去时的被动语态和特殊疑问句.，谈论发明史及一些发明的用途。
Language points（语言点）
1．要求掌握以下句式：
（1）----when was\ were the …invented
----It was\They were invented in….
(2)---- who was\ were the …invented by
----It was\They were invented by….
(3)----what is \are the ….used for
It is used for …..\they are used for…..
(4)----Have you ever studied with a group
----Yes, I have. I’ve learned a lot that way.
2．要求掌握以下词汇：invent, invention, calculator, be used for, scoop, adjustable, heel, battery, operate, slipper, bulb, heat, light bulb, microwave,
Difficulties（难点）：passive voice
Teaching steps（教学步骤）:
1. Warming-up and revision（课堂热身和复习）
（1）Daily greetings to the students（日常问候）
（3）Revision（复习）
教学设计说明 跟学交流拉近学生的距离，引出本节课的新内容。
2. Presentation（呈现新知识）
T: (从复习中引出) We all have dreams.
What’s your dream
Would you like to be an inventor
Present the picture of the light bulb, and ask who invented it
Edison invented the light bulb.
Edison is an great inventor.
We can also say : “The light bulb was invented by Edison.”
Use the same method; teach Karl Benz invented the car.
Show some inventions and the year they were invented.
Pair work
--Who was/were the …invented by
-- It was /They were invented by _____
教学设计说明 利用图片提供学生大量语言操练信息，掌握句型by+doing结构。 ……
3.Work on 1a（完成P2 --1a）
Teach the new words --- calculator microwave oven
Let ss guess: Which one was invented earlier
I think the car was invented in ….
I think the ___was invented before the ___.
I think the ___was invented after the ___.
Work on 1a,ask Ss to number the pictures.
教学设计说明 同学之间通过交流相互了解不同的学习方法。
4.Work on 1b（完成1b）
Teach the new language:
When was the car invented
It was invented in 1885. and the other inventions.
5.Work on 1c（完成P2－1c）
(1)First students work in pairs to talk about the picture .
(2)Then ask several pairs to present their dialogues .
Then read the instructions to the students and make sure students know what to do .Then play the tape, and check the answers.
训练学生的听力能力。
教学设计说明 生生互动，加强学生的语速语感训练，进一步巩固句型
6.Work on 2a , 2b（完成2a ,2b）
We use the car for traveling.
The car is used for traveling
Present this dialogue.
A: What is the _______ used for
B: I think it is used for _______________.
A: What are the _______ used for
B: I think they are used for _______________.
Teach the other inventions such as high heels ice cream scoop shoes with adjustable heels,
heated ice cream scoop, battery, slippers, battery-operated slippers
2a. Listen and number the inventions in the order that you hear.
2b Listen again. Match the inventions with their inventors and uses.
7. follow up
T: These inventions were all invented in other countries. They are all modern inventions. They are not very far from us, but in ancient China, we had four great inventions. What are they they are compass, gun powder, printing, Paper making. We should be proud of being a Chinese.
8.group work
How many inventions do you know
What is it
When was it invented
Who invented it
What is it used for
教学设计说明 通过不同问句的口头操练进一步巩固知识点。有上面口语表达的基础再让学生进行调查以及写调查报告，将所学的语言知识通过笔头表达出来，培养学生的书面表达能力。
9. Exercises
a. 用“invented” 或 “used for”填空.
1. What are electric slippers _______
2. Who were shoes with adjustable heels ________ by
3. When was tea ________
4. What are microwave ovens _______
5. When were potato chips ________
b. fill in the blanks:
A: Look! This looks so interesting!
B: Ah, it’s a great invention of China.
A: Really When ______ it _________
B: I think it ______ _________ in Han Dynasty.(汉朝)
A: What ______ it ______ for
B: Guess!
A: ______ it ______ for holding water
B: No. It _____ ______ for testing earthquakes.
A: Wow, it’s really amazing!
c. translate these sentences into English.
1. 世界上许多国家都讲英文。
2. 纸是中国发明的。
3. 这栋大楼是去年建造的。
4. 他父亲不会让他娶玛丽为妻的。
5. 他们结束训练时将被派往部队。
6. 这个计划正在执行中。
7. 那时这案子正在调查中
8. 这本小说已被译成了几种语言。
9. 他们说生产成本已经下降了
教学设计说明 通过多种练习进一步巩固运用知识点，达到检验学习效率的目的。这些练习可选择做。
10.Grammar Focus (P69)
The passive voice 被动语态
在被动语态的句子中, 谓语部分的结构是be + 过去分词。被动语态的句子的时态、人称变化反映在be动词上。
一般现在时 am / is / are ＋ 过去分词
一般过去时 was / were ＋ 过去分词
含有情态动词的被动语态：
情态动词＋be ＋过去分词
11.Homework
1. listen to the two conversations in 1b and 2a and imitate.
2.Surf the Internet ,and find out more inventions. Introduce them to your classmates, using
It was/They were invented by_____.
It was /They were invented in_____.
It is/They are used for_______.
教学设计说明 培养学生获取信息的能力。
Period 2
Teaching contents（教学内容）
Section A 3a ---4
Teaching aims（教学目标）
1． 学会针对各项发明的用途和特点，发表观点并陈述原因
2． 熟练掌握被动语态的用法，学会用被动语态表达对创造和发明事物的认识和看法。
Language points（语言点）
1．要求掌握以下句式：
Who was it/were they invented by
When was it/ were they invented
What is it/are they used for
Is it/Are they used...
3． 要求掌握以下词汇：
Light bulb, microwave oven, microwave
Difficulties（难点）：
描述各种发明的用途和特点并陈述原因
Teaching steps（教学步骤）:
1. Warming up activity（课堂热身）
Listen to a song.
A memory challenge: plane , computer, car, telephone, radio…
教学设计说明 让学生听英语歌,创造英语语境，接着利用记忆游戏自然引入新课。
2. Revision
⑴ Show some inventions, and review the sentences:
When was it invented
Who was it invented by
⑵ match the inventions and the inventors
⑶ what is it used for
3．Guessing game
①What inventions are they
It’s used for washing clothes.
They are used for seeing in the dark.
It’s used for making a milk shake.
They are used for talking with friends who are far away.
②Making your own riddles
教学设计说明 让学生自己创造谜语，开发培养创新思维能力。
4．Pair work and presentation
Camera 1827 Joseph taking photos
Light bulbs 1879 Edison seeing in the dark
Present the following dialogues
A: What is this
B: It is a light bulb.
A: What is it used for
B: It is used for giving light.
A: Do you think it is helpful
B: Yes, I think so. Because I always do homework and read books in the evening by its light.
A: What is this
B: It is an alarm clock.
A: What is it used for
B: It is used for waking people up in
the morning.
A: Do you think it is annoying
B: Sometimes, when I want to go on sleep.
T: New inventions are invented all the time. Most of the inventions are helpful, but some of them are annoying. Inventions can change our lives.
Make a list of five helpful inventions and five annoying inventions.
Helpful inventions Annoying inventions
Example ______________ 1 Example ______________1
2 2
3 3
4 4
5 5
T： What do you think is the most helpful invention
What do you think is the most annoying invention Why
教学设计说明…通过对话引出Annoying和Helpful这两单词，再让学生列举多个发明并进行分类，然后学生相互辩论，既提高学生的听力及口语能力，又能进一步巩固目标语言，同时对各种发明的用途和好处会有更深入的了解。
5.Help Robinson
Robinson has many adventures. One day he went to an island (小岛) and he couldn’t leave by himself. He was so tired and hungry, he wanted some useful modern inventions. Please help him !
Robins wanted your help. If you can only take five inventions, what would you take Why Make a report.
Inventions Why
1.radio listen to music all day
2.
3.
4.
5.
教学设计说明…学会合理应用身边的发明的事物去解决生活中的难题，培养他们的创新能力和助人为乐的精神。
6.Homework
①.Write a short article about “5 Important Inventions In My Life”. Tell us, what are the most important inventions in your daily life Write more information about them and the reasons.
② finish workbook
教学设计说明
通过写的训练进一步巩固所学知识点。
Period 3
Teaching contents（教学内容）
Section B 1a ---2c self check 1
Teaching aims（教学目标）
a. 能够掌握食物味道的新单词： crispy, salty, sour, by mistake, chef and sprinkle.
b. Talk about the history of potato chip
教学重难点：
教学重点：单词，词汇和句型。
教学难点：了解并复述薯条的发明历史。
Teaching steps（教学步骤）:
1．Revision （复习）
We have inventions everywhere. Inventions make us live easily and happily. Without inventions our lives will be difficult and less pleasant. Let’s have a competition to see which group knows the most inventions.
教学设计说明 让学生对发明物按old inventions ,electric stuffs, transportation and food这四部分进行分类达到温故知新，起到承上起下的作用。
2．Presentation
Present the picture of potato chip, and teach crispy and salty. Show the pictures and teach sweet, sour and bitter.
教学设计说明……通过给学生展示图片给学生留下直观的印象，从而引出了不同味道的单词。
3. work on 1a and 1b
Describe the tastes of the four kinds of food in 1a, and write the names of more food after each decryption words in 1b.
Work on self-check 1
教学设计说明……让学生按相应的味道列食物，并通过完成self-check进行巩固练习。
4．Listening
T: Some inventions were invented by mistake and some inventions were invented by accident. What about the potato chips
Present the following information:
a chef called George Crum
a customer---sent back a plate of fried potatoes
George Crum—was in a bad mood--
cut the potatoes thin---cooked for a long time---sprinkled salt on them
2a. Listen and circle “T” (for true) or “F” (for false).
2b. listen again and complete the passage.
教学设计说明……提前预知一部分的基本信息，为听力扫除一些障碍，降低难度。
Read and fill in the blanks.
The history of potato chips
Who were potato chips invented by
When were potato chips invented
How were they invented
According to the typescripts and fill in the blanks.
The history of chips
One day a customer in the restaurant _____ George worked ____ ____ his plate of fried potatoes because he said they ___ ____ too thick. At that time ,George was in a ___ mood, so he cut the potatoes really , really thin, and he cooked them for a ____ time until they were _____. And he sprinkled ___ ___ salt on them so they were really ____. He thought the customer would hate them. But the customer loved them and asked for ___. Since then, everyone like to order this kind of _____, ____, ____ potato chips.
教学设计说明……填写表格帮助学生更好地理解文章，同时也进一步巩固本单元的重点句型。将听力材料改为语篇，使学生更好地理解薯片的发明史。达到由听到写的能力的培养这一目的。
5．Survey
T: Do you like eating potato chips Let’s go to a KFC restaurant. there are many delicious foods in KFC restaurant, what do you want to order in it and why
Let Ss make a survey in each group and make a report.
Name hamburgers Potatochips Fried chicken Orange juice or cola Vegetable soup Ice cream
Tom salty crispy Sweet sour sweet



My fiend Tom wants to order....because …
教学设计说明……通过调查做报告，从口头落实到笔头，进一步灵活运用了本课的知识点，从而达到了学以致用的目的。
6. Writing
Eating too much KFC food is not very healthy. Can you invent something delicious but also healthy, have a try. Sample:
I want to invent a kind of food. It is as sweet as sugar. It is as crispy as photo chips….
教学设计说明……通过让学生发挥想象发明健康食物，将知识点进一步落实巩固，从而培养了学生的创新能力和发散思维。并且引导学生少吃KFC食品，进行了健康教育。
7．Homework
1. Go over the history of chips in 2a & 2b and write a short essay about it.
2. Look for the invention of tea by the Internet or reading the books. Then copy the information on paper.
Period 4
Teaching contents（教学内容）
Section B 3a –4b Self Check 2
Teaching aims（教学目标）
a. 能够掌握阅读课文的单词，词汇和句型：ancient, legend, produce, fall into, in this way, pleasant, boil, bush, remain, pie, flying disk.
b. 了解茶的由来，尝试描述一项新发明。
Difficulties（难点）：
教学重点：单词,词汇和句型。
教学难点：了解茶的由来， 尝试描述一项新发明。
Language points（语言点）
要求掌握以下句式：
According to an ancient Chinese legend, the emperor Shen Nong discovered tea when he was boiling drinking water over an open fire.
And in this way , one of the world’s favorite drinks was invented.
Teaching steps（教学步骤）
1. Warm-up/Revision
Greetings.
Retell something about potato chips
2.Presentation/Practice
T: What will you do if you are really thirsty
I ’d like to drink these beverages.
What’s the most traditional beverage in China Tea.
Discuss in groups how much information students have got about the invention of tea.
T: Can you reply to the questions
1 Who invented tea It was invented by the Chinese emperor Shen Nong
②When was it invented
③How was it invented
④What kind of Chinese tea do you know
教学设计说明…创设语境，了解学生的作业情况，同时提醒学生掌握相关的阅读技巧，要重点掌握信息。
3. Work on 3a
a. Read the article and write the answers to five questions in 3a and check the answers. Ask students to read their answers. If it's wrong, ask another one to give different answer.
b. Explain some phrases or sentences and give examples.
c. Ask the students to read after the tape-recorder. Then read aloud by themselves until they remember the general information.
d. Students close the textbook and try to fill the blanks
e. Look at the words on the Screen and ask a few students to retell it.
by accident 1610 over three thousand years
Shen Nong an open fire leaves
fall into smell taste
教学设计说明……阅读策略的培养需要多种形式的锻炼，让学生根据课文的相关信息图进行复述，降低难度。
4. Work on 3b
a. present two pictures of flying disk. Teach the new word---- flying disk. Read the instructions to the class and explain some new words.
b. Ss write an article using the notes in the box. The teacher walks around the classroom and looks through students' articles. Help them solve some problems if they need.
c. Ask a few Ss to read their articles and give them a sample.
教学设计说明……通过上文的学习，落实到笔头的写作。
5. Activity ----who is the best inventor
Work in groups. Think of something that you don’t like doing. Then think of an invention that could help you. Write the details in the chart.
Name Problems Advice New Invention Price




Have a report.
教学设计说明……通过评比谁是最好的发明家这一活动，既培养学生的思维创新能力，又将课本内容扩展到现实生活，由说到写，从而很好地运用了本课的目标语言。
6. Work on 4b
Imagine you are a businessperson. Introduce your partner's new invention to the whole class and try to sell it to the class.
A: This special pen was invented by Zheng Jie. It has three colors and it is used for…...
教学设计说明……让学生走向市场，推销他们自己的发明，实现学习语言的运用目的。
7. Self check 2
Find out the information about the abacus, umbrella, binoculars, camera and bicycle. Write them down beside the pictures in self-check 2.
A: what is it
B: it’s an abacus,…
A: what is to used for
B: it’s used for…
A: oh, that’s cool! Who was it invented by
B: it was invented by…
A: when was it invented
B:
教学设计说明……通过该活动对一般过去时被动语态进一步了解并掌握
8. Homework
a. Read 3a.
b. Write simple instructions of your new invention.
c. Find out the information about the abacus, umbrella, binoculars, camera and bicycle. Write them down beside the pictures in self-check 2.
教学设计说明……让学生自己动手找资料，激发学习英语的积极性，同时更好地巩固本课的中心语言结构，从而达到情感态度价值观的体现。
Period 5
Teaching contents（教学内容）
Reading Do you know when basketball was invented
Teaching aims（教学目标）
a. 能够掌握阅读课文的单词，词汇和句型; notice, including, knock, below, risen,…
b. 阅读篮球发明的历史，依据记忆图片的提示，掌握文章中的重要信息。
Difficulties（难点）：
教学重点：单词,词汇和句型。
教学难点：依据记忆图片的提示，掌握文章中的重要信息并复述课文。
Reading strategy:
Learning strategy: MIND-MAPPING
学习策略: 脑中构图 使用脑中构图的方法记忆信息.将你阅读到的信息构成一副彩色的文字图案.大脑回忆”图片”比文字信息更容易.
Language points（语言点）
1．要求掌握的句式：It’s good to be….
It’s difficult to be….
2．要求掌握以下词汇：rank, active ,create, wooden, knock into, divide…into…, aim, basket, metal, hop, shoot, below, backboard, guide, court, Berlin, towards, develop, popularity, risen, worldwide, foreign, association, equipment
Teaching steps（教学步骤）:
1． Warming-up
Free talk:
Talk about sports and 2008Olympics
教学设计说明……通过展示福娃的图片，谈论2008奥运会的有关情况，从而引出本课内容。
2．Pre-reading
Give students 2 minutes to list eight sports played in China. Then discuss the results with the class
In order of popularity, rank them with your partner. Share different answers. But find out which sports are considered the 3 most popular.
Present something about basketball, Teach hoop, shoot, backboard, court
T: 1. How many teams are there in the game
2. How many players are there in each team
3. How many minutes are there in the game
教学设计说明……读前了解一下学生对篮球的认识情况，为学习下文作好铺垫。
3. While-reading
Fast reading:
What is the article about
Who invented basketball
When was the first basketball game played
How many people and countries play basketball
Read the article again and write T(true) or F(false) before each statement.
( )1. Basketball is played in more than 200 countries.
( )2. A doctor from America invented basketball.
( )3. The first basketball game was played in 1891.
( )4. The aim of basketball is to try to get a ball into the “basket” for players.
( )5. There aren’t foreign players in NBA.
Explain the key phrases and sentences.
Read after the tape-recorder aloud and try to remember the information by mind-mapping. 教学设计说明……教会学生获取需要的主要信息，培养有效的阅读策略，让学生从快速阅读中把握重要信息。
4. Work on 3a and 3b
Ask students to complete the information in the mind-map without reading through the article. Add more details beside each map.
Answer the questions without looking back at the article but from the mind-map
With the mind-map, try to retell the article.
Make a list of advantages and disadvantages about being a basketball player in “Section 4 Go For It” if we have time.
教学设计说明……细读文章，对课文有深入的了解。文章中难点短语和句子比较多，可以解释一些为理解扫清一些障碍，让大部分的学生能够掌握。同时要求学生使用脑中构图的方法记忆信息，将阅读到的信息构成一副彩色的文字图案. 大脑回忆‘图片”比文字信息更容易.
5. Do some exercises
一.根据开头字母，补全单词
1.Do you know who the computer was i _______by
2. The seat belt on a plane are a _______.
3. It was a big m________ to leave my umbrella at home.
4. A c______ is a hundred years.
5. Boys, stop t_______ stones to the poor dog.
二.单项选择
1. The bridge __________ by the farmers themselves in 1982.
A. built　 B. was built C. build D. was build
2. All the books will _______ to the children who live in the small village.
　A. be sent　B. sent　 C. be send　 D. send
3. Keys _______ used for ______ the doors.
　A. is, opening　B. is, opened　 C. are, opening　 D. are opened
4. My mother told me that my homework must _______ on time.
A. finish　B. be finish C. be finished D. finished
5. The police found the lost car _______.
A. with mistake　　 B. by accident　C. by mistake　 D. in accident
6. I don’t like this kind of potato chips because they are not _______.
A. crispy　 B. sweet　C. soft　 D. sour
7. They decided _______ at the end of this month.
A. to leave B. going back C. travel　　D. not stat out
8. It’s used for _____ clearly in the dark.
A. seeing　　B. see　　C. looking 　D. look
9. When ______ the car ________
　　A. did, invent　　 B. was, invented　　 　C. does, invent　 D. in, invented
10. Jack ______ leave _____ his teacher comes back.
　　A. doesn’t, until　 B. /, until　　 C. won’t, /　　 D. won’t, until
教学设计说明…做一些练习进行巩固.
6. Homework
1.Review the whole unit.
2.Introduce your favorite sport (history, game…).
3. Surf on the Internet and find some information about Yao Ming and Write :What should I do if I want to be an NBA player like Yao Ming.
一 词汇题
（一）、黄金搭档
1.―Do you know when the computer was i___________ －In 1976.
2. I think the light bulb is one of the most useful i___________(发明).
3. Who do you know is the greatest i_____________(发明家).
4. I don’t know if shoes with a____________(可调整的) heels are comfortable to wear.
5. The b___________- operated slippers are used for seeing in the dark.
6. This machine is used for s___________ the ice cream.
7. An electric torch(手电筒) is used for ____________(see) in the dark.
8. What are the electric slippers _________(use) for
9. What do you think is the most ______________(help) invention
10. I think the most helpful invention is the light b_______ because it gives people bright at night.
（二）、中英文互译
1. be used for doing sth. _____________________________
2. be invented in…_____________________________
3. 被某人发明_____________________________
4. 带可调鞋跟的鞋子_____________________________
5. 用电池操作的拖鞋_____________________________ 6. heated ice cream scoop _____________________________
7. change the style of the shoes_____________________________
8.有用的发明_____________________________
9.annoying invention_____________________________
11. 灯泡_____________________________
12. 闹钟_____________________________
二、过关斩将
( )1. －I think the telephone was invented ______ the car.
－I think so. The telephone was invented____ 1876.
A. before, on B. before, in C. after, on D. after, in
( )2. The computer _____ in America in 2004 and I have had it for 2 years.
A. was made B. can be made C. is made D. made from
( )3.－____was the telephone invented －It was invented in 1876.
A. Where B. When C. What D. How
( )4. Mobile phone is one of the most useful ________ in the world.
A. invents B. inventions C. inventors D. inventing
( )5. It is used for ___________ really cold ice cream.
A. scooping B. scooped C. scoop D. scoops
( )6.－What were these machines used for
－They _____ seeing in the dark.
A. are used for B. were used for C. are used as D. were used as
( )7.－What are they used for
－They are used for ______ the old walk.
A. help B. helped C. helping D. to help
( )8.－Who _____ battery-operated slippers invented____
－Sorry, I don’t know.
A. was, by B. was, for C. were, for D. were, for
( )9. The light bulb is used for seeing _______ the dark.
A. at B. in C. during D. for
( )10.－What are those strange things used ____ －Holding things.
A. to B. in C. for D. with
( )11. －Who was the new movie made _____ － Zhang Yimou.
A. by B. with C. to D. as
( )12. －What were these machines used for
－They _____ seeing in the dark.
A. are used for B. were used for C. are used as D. were used as
( )13. I think the ____ invention is a mobile phone. what about you
A. helpful B. more helpful C. helpfulest D. most helpful
( )14. －_______. －I think TV set is the most helpful inventions.
A. What do you think is the most helpful invention
B. Do you think what is the most helpful invention
C. What is the most helpful invention do you think
D. You think what is the most helpful invention
( )15. The light bulb can give people more time _______and play every day.
A. work B. to work C. working D. worked
( )16. －Your new dress looks beautiful. Is it ______ silk
－Yes, and it’s _________ Suzhou.
A. made by , made for B. made of, made by
C. made of, made in D. made by, made from
( )17.－______do you think alarm clock is an annoying invention
－Because it wakes me up every day.
A. When B. How C. Where D. Wh
三、改头换面
（1）根据示范将下列句子改为被动语态。
Model: Mr. Smith made a machine last year.
→A new machines was made by Mr. Smith last year.
1. James planted a flower in his garden.
_______________________________________
2. The workers built a tall building in the village.
_______________________________________
3. Uncle Li planted an interesting picture last week.
_______________________________________
4. Charles Dickens wrote many novels.
_______________________________________
（2）句型转换
1. The telephone was invented in 1876.(对划线部分提问)
___________ was the telephone _________
2. The CD player is produced in Guangzhou.(对划线部分提问)
___________ was the book _________ by
3. This book was written by Lu Xun.(对划线部分提问)
___________ was the book _________ by
4. Umbrellas are used for keeping off rain.(对划线部分提问)
___________ are umbrellas _________ for.
5. Julie painted a new picture.(改为被动语态)
A new picture ________ ________ by Julie.
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