Unit 1 Topic 1
Section D 同步练习
一. 用方框中所给的词填空
man-made, explorer, exploring, system, mark
1. An is such a person who travels to make discoveries in the forests, mountains, under the sea, and in space etc.
2. I’ve put a on the map where the thieves may be hiding.
3. The earth is one of planets in solar .
4. satellites move around the earth just like a small planet.
5. Scientists are the outer space now.
二. 单项选择
( ) 1. The police can your easily by GPS, if you are using the cellphone.
A. find; place B. find out; position
C. discover; office D. look at; city
( ) 2. Our parents can do anything for us we make achievements in our study.
A. as well as B. as far as C. as long as D. as often as
( ) 3. GPS has finding out our position and studying the shape of the earth.
A. used to B. be used to C. been used to D. been used for
( ) 4. People in the past used stars guiding marks.
A.by B. of C. to D. as
( ) 5. there were six blind men. They lived together, quarrelling all the days.
A. Ago B. Before C. Long ago D. Before long
三. 完形填空
The computer is a very wonderful machine. It is a very 1 today. It seems that we can not live or work without it. Computers 2 in many ways---in offices, in factories, in big shops, at schools, and even at home. 3 The computer, people are living a better life.
The computer is one of the greatest inventions of the 4 century. The first computer was built in America and it was named Eniac. It was not only very 5 , but also quite heavy. It was as big as two rooms!
But the computer is developing very fast. Today they are becoming smaller and smaller, lighter and lighter, and 6 faster and faster. There are many different kinds of computers on the market. You can choose any one you like.
7 The computer can do a lot of things for people, it helps us to learn about the real world. With the computer you can 8 an e-mail just in a few seconds to your friend far away from you, but it will take the post office quite a long time to deliver a 9 to your friend.
Now the computer really gives us a very nice picture about the world of tomorrow. So as a student in the 21st century, we have to work hard and learn how to 10 the
computer very well. Don’t you think so?
( ) 1. A. beautiful B. interesting C. popular D. enjoyable
( ) 2. A. were using B. are used C. use D. used
( ) 3. A. On B. In C. Among D. With
( ) 4. A. 18th B. 19th C. 20th D. 21st
( ) 5. A. useful B. large C. small D. cheap
( ) 6. A. studying B. teaching C. walking D. working
( ) 7. A. With B. As C. Like D. By
( ) 8. A. give B. take C. post D. send
( ) 9. A. letter B. book C. help D. message
( ) 10. A. get B. use C. read D. write
四．补全对话。从下面方框中选择正确的选项补全对话，其中有两项是多余的。
A: What a nice camera! __1___
B: It was invented by Joseph Nicephore Niepee.
A: Oh, I see. ___2___
B: In 1827.
A: What’s this in English? __3___
B: It’s called an English Learning Machine.
A: ___4___
B: It may be made of steel.
A: ____5___
B: It is used for helping us to improve our English.
A.What did it look like?
B.Who invented it?
C.It looks like a recorder.
D.Where was it made?
E.When was it invented?
F.What is it used for?
G.What is it made of ?
同步练习答案
一. 1. explorer 2. mark 3. system 4. Man-made 5. exploring
二. 1. B 2. C 3. D 4. D 5. C
三. 1. C 2. B 3. D 4. C 5. B
6. D 7. B 8. D 9. A 10. B
四．1-5 B E C G F
课件39张PPT。仁爱科普 九年级上 Unit 4 Amazing Science
Topic 1
When was it invented?
Section D Warming-upLet’s watch a video:Look and learn:Presentation:The early explorers found that the stars in the sky were good guiding marks. Using the stars, they could find out where they were and in which direction they were going. explorersThis method worked well at night as long as the weather was good and the stars could be seen. But it didn't work so well during the rest of the time. PresentationLook and learn:Today, the problem has been solved by the Global Postitoning System(GPS). It is like a man-made star. What is the GPS? How does it work? Let's watch a video.Presentation:Let’s watch a video:Presentation:Let’s watch a video:The GPS is a great invention that helps us explore our planet and discover where we are.We can use it at any time, in any place and in any weather to find out our position. It can also be used to study the shape of the earth. Listen to the passage and choose the correct answers.( ) 1) Using _______, they could find out where they
were.
A. the sun B. the stars C. the moon D. the earth
( ) 2) The Global Positioning System is like _________.
A. a man-made star B. a man-made sun
C. earth D. a circle BAListening1. How did the early explorers know where they were?
They found out where they were by using stars.
2. What’s the disadvantage of using the stars as guiding marks?
Its disadvantage is that it didn’t work well when the weather was bad and the stars could not be seen.
3. What is a GPS? Is it useful to use?
It is like a man-made star. We can use it at any time, in any place and in any weather to find out our position. It is very useful.
4. What do you think the GPS will be used for in the future?
…Read the passage and discuss the questions on Page 88.Reading:Reading:Read the passage again and repeat:Where Are We?
Where are we? That was a big question when we first explored our world long ago. The early explorers found that the stars in the sky were good guiding marks. Using the stars, they could find out where they were and in which direction they were going. This method worked well at night as long as the weather was good and the stars could be seen. But it didn't work so well during the rest of the time. That was a problem.
Today, the problem has been solved by the Global Postitoning System(GPS). It is like a man-made star. We can use it at any time, in any place and in any weather to find out our position. It can also be used to study the shape of the earth. The GPS is a great invention that helps us explore our planet and discover where we are.Grammar:Grammar:1. People are surprised at the rapid development of robots 人们惊讶于机器人的快速发展。
be surprised at 对...感到惊讶
例：We are surprised at the news
例：I was quite surprised at what he did last Sunday .
我对他上周天的所作所为感到非常吃惊Grammar:Key phrases: 拓展：in surprise 惊讶
例：They looked at each other in surprise at that moment
在那一刻他们惊讶地看着对方
To one’s surprise 令某人惊奇的是
例：To my surprise , he passed the English exam at last
令我惊奇的是，他最终通过了英语考试。
be surprised to do 惊奇地去做某事
例：He was very surprised to see his father talking with the headmaster in the office. 他很吃惊地看到他父亲正在办公室和校长谈话。Grammar:Grammar:1.查明；找出
2.奏效，起作用
3.其它/于时间
4.人造的
5.在任何时候
6.只要
7.可以被使用find outwork wellThe rest of the timeman-made at any time as long as can be usedPractice:根据首字母提示及课文内容，完成短文。 Thanks to GPS, we can exactly know w _____we are now. GPS is like a man-made “star”. It can be u____ in any place and any weather condition to find out our p________. In the past, the early explorers had to use stars in the s____ to tell them where they were, however, this method didn’t work well when the weather was bad. So GPS is a great invention that can help humans to better e________ our planets.heresedositionkyxploreGrammar:Key phrases:1.The stars could be seen.
2.It can be used to study the shape of the earth.
仔细观察，两个句子的构成；情态动词的被动语态构成：
情态动词+be+动词的过去分词含有情态动词的被动语态结构：can/may/must/should + be+过去分词1.Amy can take good care of Gina ．by Amy.Ginacan be taken good care of2.You should drink more water.More water should be drunkby you.语态：表示主语和谓语动词之间的关系。
英语有两种语态，即主动语态和被动语态。 主动语态：表示主语是动作的执行者。被动语态：表示主语是动作的承受者。
如：
Many students study English.(主动语态)
English is studied by many students.
(被动语态)语态Grammar:被动语态:Grammar:被动语态结构：
被动语态由“助动词be+及物动词的过去分词”构成。（be有人称和数的变化）, 注意不同时态的不同形式。
eg: The classroom is cleaned by us every day.
The trees were planted by the students last year.
The olds should be taken good care of.by many students.1.Many students study English.Englishis studied2.They made shoes in that factory.Shoeswere madeby themin that factory.将主动语态变为被动语态方法: 原宾语变主语，动词变为be+动词过去分词， 原主语由by连接。is spoken byShe speaks Chinese. is spoken by He speaks English.Englishhim.Chineseher.一般现在时被动结构：is/are + done聚焦一般过去时的被动语态
结构:助动词(was/were)+及物动词的过去分词
1.肯定句式 ：主语+was /were+v.-ed
2.否定句式 ：主语+was/were + not+v.-ed
3.一般疑问句式： Was /Were+主语+vt.-ed
4.特殊疑问句式：疑问词W/H+was/were+主语+v.-ed
E.g. An e-mail was sent to her friend by Jane yesterday.
An e-mail wasn’t sent to her friend by Jane yesterday.
Was an e-mail sent to her friend by Jane yesterday?
Who was the e-mail sent to by Jane yesterday?1.You are late, all the tickets __________(sell) out an hour ago.
2.This type of cellphone ____________(make )in Shenzhen.
3. I _________________ ( not invite) to yesterday’s party.
4. ________ those machines __________(check) this morning?
5. Many trees and flowers ______________(plant) in our school last year, and they made our school a beautiful garden. were soldwere made用所给词的适当形式填空：wasn’t invitedWerecheckedwere plantedExercise:比较一般现在时态与一般过去时态的被动语态
一般现在时态的被动语态结构：
be (am/is/are) +动词的过去分词
一般过去时态的被动语态结构：
be (was/were)+动词的过去分词
Grammar 一般将来时态被动语态
will be +过去分词, will是第一助动词，否定句，疑问句都围绕will进行变化。e.g.
(1) He will be met at airport by his friend.
(2) Will an English contest be held next Saturday afternoon?
(3) You will not be allowed to go out if you don’t finish your homework. It’s reported that Daimiao Culture Square ______ _______ _________(build) in Tai’an next year.
I’m sure that stricter rules to control cigarette smoking ____ ___ ______ (make) very soon.
The task _____ _____ _______(finish) in an hour. Then we can go home and have a good rest.
The 12th National Games ____ ____ ___(hold) in Shenyang next year. Why not prepare yourself to be a volunteer? Can you try?will be will be made will be finishedwill be heldbuilt用所给词的适当形式填空：Grammar:现在完成时的被动语态：have/has +been +动词的过去分词
例：Nowadays, their materials have been changed so that it feels more comfortable.
主： He has finished his homework
被： His homework has been finished by him
含有情态动词的被动语态结构：can/may/must/should + be+过去分词1.Amy can take good care of Gina ．by Amy.Ginacan be taken good care of2.You should drink more water.More water should be drunkby you.注意：1.主动语态中有些动词，如make, let, see, watch, hear等后面常跟不带to 的不定式作宾语补足语，但变为被动语态时要加上to。
如：I often see the old man run in the morning. → The old man is often seen to run in the morning. 我经常看见那个老人早晨跑步。注意：2.不及物动词happen, take place没有被动语态。
如：The traffic accident happened on Monday.这个交通事故发生在周一。
3. 某些表示主语的品质和状态、自身特征的不及物动词，如cut，sell，read，write，fill，cook，lock，wash，drive，keep等，常用主动形式表示被动意义。
如：The book sells well. 这本书卖得很好。Language points:Grammar:Exercise:
1. The trees must three times a week.
A. water B. is watering C. be watered D. waters
2. A lot of trees along the river last year.
A. planted B. are planted C. are planting D. were planted1. They will play football on this Sunday.
2. Lucy did the homework in the evening.
3. They often use computers in class.
4. We have made these machines in Beijing before.
Football will be played by them on this Sunday.The homework was done by Lucy in the evening.Computers are often used by them in class.These machines have been made (by us) in Beijing.Exercise:将下列句子由主动语态变为被动语态 1.People use radios to learn English in the past.
_____________________________________________
2.Jack will show me the photo.
______________________________________________
3.They have raised much money for the Project Hope.
______________________________________________
4.I often hear Mary sing English songs at home.
_______________________________________________
5.We mustn’t throw litter about.
________________________________________________
6.People can visit planets like Mars.
_________________________________________________
Radios were used to learn English in the past.The photo will be shown to me. Much money has been raised for the Project Hope.Mary is often heard to sing English songs at home.Litter mustn’t be thrown about.Planets like Mars can be visited.Change the following sentences into Passive Voice.Grammar Passive Voice (Ⅱ)The radio was invented by Guglielmo Marconi in 1895.When was the digital camera developed ?
Where was it developed?
What is a rocket used for?It was developed in the 1970s.
It was developed in Japan.
It is used for sending satellites or spaceships into space. Functions Project (1) This is Kangkang’s invention.
Look at the information and the picture.
What do you think of it ?
Discuss with your partners. Name: Plar (plan-car)
Inventor: Kangkang
Year: 2014
Use: Both flying and driving 2. Design your own invention. Draw a picture of it and write down the information about it. Name :____________
Inventor:___________
Year:_____________
Use:______________ Project （2） Describing Your Invention 3. Show the picture of your invention and describe it to the class.
4. Discuss in groups to decide which is the most useful /interesting/funny invention. We Learn: 1. Some words : mark, explorer
2. Some phrases: find out, in …, direction, as long as, work well,
the rest of the time, be used to, the shape of
3. Some sentences:
This method worked well at night as long
as the weather was good and the stars could be seen.
We can: 1. Use the passive voice of the simple past tense more
properly.
2.Talk about new technology GPS.
3. Develope our imagination and creativity by designing our own
inventions.SummaryHomework Read 1a.
Memorize the useful expressions and key sentences that we learn in this topic.
Finish Section D in your workbook.
Preview Section A of Topic 2.谢谢21世纪教育网（www.21cnjy.com) 中小学教育资源网站 有大把高质量资料？一线教师？一线教研员？
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