Unit 4 Topic 2
Second D 同步练习
一.单项选择。
( )1.Students _____ their hair when they are at school.
A.don’t allow to dye(给……染色) B.are not allowed to dye
C.aren’t allowed to dying D.aren’t allowed dying
( )2.When was _____ umbrella _____?
A./; invented B.a; discovered C.an; discovered D.the; invented
( )3.The cleaners make a great contribution to _____ the city clean.
A.kept B.keeping C.keep D.be kept
( )4.—Did you go to Jim’s birthday party?
—No, I _____.
A.am not invited B.wasn’t invited
C.haven’t invited D.didn’t invited
( )5.The dream of flying up into space has _____.
A.come true B.come into being
C.come back D.come in
( )6.Do you know for _____ that it was made in 1980?
A.certain B.certainly C.sure D.doubt
( )7._____ you finish your homework, you can go out to play.
A.As well as B.Unless C.As long as D.As far as
( )8.—It’s _____ that you have been to Shanghai alone.
—Yes, that’s right.
A.said B.reported C.know D.certain
( )9.Computers are very useful. For example, they can _____ sending e-mails.
A.be used to B.be used with C.be used for D.be used as
( )10.—I saw Lucy go to Miss Zhang’s home just now.
—Yes, she is often seen _____ Miss Zhang with her housework.
A.help B.to help C.helps D.helping
二、根据汉语提示完成句子
1. 没有人知道在火星上是否有生命。
No one know if there .
2. 火星也是一颗绕着太阳转的行星。
Mars a that the sun.
3. 迄今为止，科学家们在火星上还没有发现任何生命。
, scientists haven’t on Mars.
4.在允许范围内，我们将能做任何事情。
We will that is allowed.
5.你试图和她交流过吗？
Have you communicate her?
三. 句型转换，按要求完成下列句子。
1. We can finish the work in two days.??(变为被动语态)
The work _____ _____ _____ in two days.
2. They produce silk in Suzhou.???(变为被动语态)
Silk ____ ____ in Suzhou. 3. The children will sing an English song. (变为被动语态)
An English song ____ ____ ___ by the children. 4. Mum asked Mary to show me her new dictionary. ?(变为被动语态)
Mary ____ ____ ____show me her new dictionary.
5. The desk is used for putting a computer on. (变为主动语态)
We use the desk ____ ____ a computer on.
6. This kite was made by my father for my birthday. (变为主动语态)
My father ____ ____ ____ ____ my birthday.
7. Finally, the girl realized her dream in China. (改为同义句)
Finally, the girl’s dream ____ ____ in China.
8. The house was built in 1998. (对划线部分提问)
____ ____the house ____?
9. We planted many trees and flowers in our school last year. (用next year 改写句子)
Many trees and flowers ____ ____ ____ in our school next year.
10. We have learned 3 units by now. (变为被动语态)
3 units ____ ____ ____ by now.
同步练习答案
1.B 2.D 3.B 4.B 5.A
A 7.C 8.A 9.C 10.B
二、
1. is life on Mars 2. is also; planet; runs around
3. So far; discovered any life 4. be able to do anything
5. tried to; with
三 .
1. can be finished 2. is produced 3. will be sung
4. was asked to 5. for putting/to put 6. made a kite for
7. came true 8. When was; built 9. will be planted
10. have been learned
课件41张PPT。仁爱科普 九年级上Unit 4 Amazing Science Topic 2 I’m excited about the things that will be discovered in the future. Section DWarming-upLet’s watch a video:What's the video about?It's about the solar system.水星(Mercury)金星(Venus)地球（Earth）火星(Mars)木星(Jupiter)土星(Saturn)天王星(Uranus)海王星(Neptune)Do you know their names?The solar system is only a small part of the universe.Listen to the passage and choose a proper title. Listening1. Is There Life out There?2. Our Planet3. The Stars at Night1aACDMatch the letters in the picture with their names according to 1a.( )1. the solar system
( )2. the earth
( )3. the universe
( )4. the sunABDCReading1b Read 1a and answer the questions.1. Have the scientists found life on other planets?
2. How many planets go around the sun?
3. What’s called the solar system?
4. Some spaceships have gone beyond the solar system, haven’t they?
5. Do you think there are lives on other planets in space?
No, they haven't.Eight.The sun and its planets are called the solar system.Yes, they have.ReadingReadingRead 1a again and repeat. Scientists think that there has been life on the earth for millions of years. However, we haven't found life on other planets yet. The earth is a planet and it goes around the sun. And there are seven other planet that also go around the sun.The sun and its planets are called the solar system. The solar system is a small part of the universe.
Scientists have launched many spaceships to explore other planets in the solar system. Some spaceships have gone beyond the solar system. However, no one has discovered any life in space yet.
Why has no one from other planets sent us a message? Have they tried to send information to us? With so many stars in space, are we alone, or is there life on other planets in space?Grammar:Language points:1. However, we haven't found life on other planets yet.
Other planets 其它的星球
Other + 不可数名词/可数名词复数，其它的……
2.Why has no one from other planets sent us a message?
send sb sth = send sth to sb
把某物发送给某人Grammar:Key phrases in 1a: be called 被称作
a small part of ...的一小部分
go beyond 飞出...（的范围）
sent sb a message 给...发信息
send a message to sb 发...给...
6. be alone/ be lonely 独自/ 孤独的 Scientists think that there has been life on earth for____________years.The earth is a planet and it___________the sun.The sun and its planets___________ the solar system.Some spaceships have_________
the solar system. _____________,no one has discovered any life in space yet.Why has________________from other planets________________a message?millions ofgoes aroundare calledgone beyondHoweverno onesent usConsolidation:Fill in the blanks based on 1a: life on the earth---no life on other planets
---go around the sun---
solar system---universe---spaceship---beyond
---no one---send---alone
Retelling:Retell 1a according to the information below:2. A spaceship will be sent out to find aliens in outer space. A letter will be put on the spaceship to introduce our earth. Discuss in groups and write a short introduction of the earth. Then present it to the class. Our Earth
Do you want to know about the earth? Now,
let me tell you something about it.
...... Our Earth
Do you want to know about the earth? Now, let me tell you something about it.
The earth is the third planet from the sun in our solar system and is named after old English. It goes around the sun. The moon is its only natural satellite. Its diameter is 12,742 kilometers. The surface area of the earth is 510 million square kilometers and the temperature is between -89.2℃ and 61℃. The air has 21% oxygen. So plants, all kinds of animals and human beings can live on the earth. The population of the world has reached 6.8 billion. Do you want to make friends with us? You can write it like this:3 If aliens are found in the near future , what changes will happen to people on the earth? Discuss in groups and make a list of all the possibilities. Example :
More aliens will be found with the help of our new friends.
Students will be sent to their planet to learn their language.
…
参考词:make;allow;teach;use;regard;
take;kill;give;discover;keep..... 一般将来时态的被动语态:will + be + done Grammar:Grammar 一般将来时的被动语态
will是第一助动词，疑问句，否定句都围绕will进行变化。
e.g.
(1) He will be met at the 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. will be + v.过去分词语态：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. 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。用所给动词的正确形式填空。1.Another big library ____________(build) in their school in two years.
2. The Olympic Games _________(hold) every four years.
3. ____your homework__________(finish)soon?
4. Animals _____________( not keep)under the sea in the future.
5.A wonderful movie__________(show)yesterday. will be built Will be finishedis heldwas shown won't be keptExercise:( )1. ---These bananas look different and they are sweet.
---Right. They ____ here from Taiwan yesterday.
A. was brought B. were brought C. bring D. are brought
( )2. ---Mom, may I go out to play football this afternoon?
---You can, if your homework _____.
A. is finished B. will finish C. has finished D. will be finished
( )3. A talk on development in science _____ next week.
A. is given B. was given C. has given D. will be given
( )4. This kind of desk ____ of wood.
A. is making B. made C. is made D. makes
( )5. The doctor looked over Peter carefully after he _____ to the hospital .
A. takes B. is taken C. took D. was taken BADCDChoose the best answer.Exercise:Functions 用所给汉语的正确形式填空。(1)A wonderful movie will be ________(上映) tonight.
(2)We will be able to do anything that can be______(做) on the earth.
(3)I won’t believe there are aliens ______（直到）I see them with my own eyes .
(4)Our dreams will be ________(实现).
(5)The gravity on the surface of Mars is about __________(五分之二） as strong as it is on earth.
showndoneuntilrealizedtwo-fifthsExercisesExercise:Translate the key sentences into English.1. 我的房间是这个教室的三分之一大。
My room is one third as big as the classroom.
2. 对未来将会被发现的事物我觉得很兴奋。
I'm excited about the things that will be discovered in the future.
3. 我们将能够去做任何地球上能做的事。
We will be able to do anything that can be done on the earth.
4. 我们登上火星已经两天了。
It has been two days since we landed on Mars.Exercise:1. Divide the class into three groups: Mars, the moon, the earth. Mars MoonEarth Reporting on the Celestial Body You Like to Live on Project 2. Discuss the life there, such as clothing, food and drink,
transportation …
3. Choose one student in each group to introduce the information
to the class.
4. Think about which planet you would like to live on and give a
report to the class. ProjectYou can begin like this:
We would like to go to …I believe the life here
must be very… …will be built, … will be planted,
…will be made, … will be taught…, … will be
visited…, we …, aliens…
With so many planets in the solar system, we are
not alone, we have…Summary We learn : 1.Some words: beyond, launch
2.Some phrases: millions of, go around, send sb. sth.
3. Some sentences:
(1)Scientists have launched many spaceships to explore other
planets in the solar system.
(2)Some spaceships have gone beyond the solar system.
We can : 1.Talk about more about outer space.
2.Summarize the passive voice of the
simple future tense.Homework Read 1a.
Memorize the useful expressions and key sentences that we learned in this topic.
Finish Section D in your workbook.
Preview Section A in Topic 3.
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