Unit 14

Satellites

英语组：高洁

Lesson 54

Satellites (1)

英语组：高洁 Presentation

InternetLesson54 Satellites

What was carried up into space on March 25th?

Shouzhou III was successfully carried up into space.

Presentation

What was carried up into space on October 15th?

Shouzhou V was successfully carried up into space.

Presentation

10月 16日 6时 54分，载人航天工程总指挥李继耐在北京航天指挥控制中心宣布：“神舟”五号载人飞船 16日 6

时 23分在内蒙古主着陆场成功着陆，实际着陆点与理论着陆点相差 4.8公里。• 

1）射前准备：整体垂直运到脐带塔进行最后功能检查2）火箭发射：火箭一级发动机及 4个助推器同时点火。3）程序转弯：升空数秒后，程序拐弯，飞向预定方向4）船箭分离：抛逃逸塔，火箭一 ,二级分离，整流罩分离5）入轨：建立轨道运行姿态 ,展开电池帆板并定向。6) 接受发射信息：当进入海陆测控区设备发射遥测信息7）陆海基测控：陆海基测控网对飞船跟踪、测量和控制8）返回：注入返回参数 ,下降 ,分离9）进入黑障区：姿态调整，再入大气层，通信短暂中断10）返回：再入大气层，约 10KM高时，抛撒舱盖，拉出引导伞和辅助引导伞，抛返回舱防热大底。11）离地面约 1米左右高度时，着陆缓冲发动机工作。12）着陆：截断主伞 ,抛天线罩 ,发射信标信号 ,等待回收

难忘瞬间

more information( 神五飞天全过程 )

激动一刻 神舟五号升空直击！http://news.21cn.com/zhuanti/s5/index.shtml

激动一刻 神舟五号升空直击！http://news.21cn.com/zhuanti/s5/index.shtml

激动一刻 神舟五号升空直击！http://news.21cn.com/zhuanti/s5/index.shtml

激动一刻 神舟五号升空直击！http://news.21cn.com/zhuanti/s5/index.shtml

Information

Listening

2.How are man-made satellites carried up

into space?

1. What is a satellite?

Listening

Listening

2.How are man-made satellites carried up

into space?

1. What is a satellite?

A satellite is an object which travels in an orbit round another object in space.

By rockets.

Why are satellites so expensive?Why are satellites so expensive?●Because they’re made of very light and

special materials. And they are equipped with very expensive equipment,such as cameras and sun panels.what’s more,rockets have to be used to send them into space and rockets motors must be used to change their positions and directions when in space.

Fast reading

What can satellites send back to the What can satellites send back to the earth ?earth ?

● They can send light and electronic signals back to the earth. And they are used to send radio and TV programmes, information,photos of weather conditions and many other signals.

1. Why is it possible for a man-made satellite to go into space?2. What can be put into satellites?

3. How does a satellite produce electricity?

4. Is it possible for a satellite to change its

direction? How?5. Why is it necessary for broadcasting satellites not to change their positions? 6. Can we use weather satellites? How?

Detail questions

1. Why is it possible for a man-made satellite to go into space?

It is carried up into space by rockets.to escape the pull of the earth a rocket must reach a speed of 28,440 km/h;If the rocket does not reach this speed, it will fall back to the earth.

Questions:

2. What can be put into satellites?

Expensive cameras equipment for making electricity from sunshine,rocket motor which can change the direction of the satellite.

3. How does a satellite produce electricity?

By using sun panels

4. Is it possible for a satellite to change its

direction? How?

Yes it is. By using the rocket motor.

5. Why is it necessary for broadcasting satellites not to change their positions? In this way it can connect broadcasting stations.

6. Can we use weather satellites? How?

Yes ,we can. Weather satellites send information and photos of weather conditions to weather stations on the earth.When there is a hurricane in an area, as it is possible to see the path of the hurricane in the satellite pictures. Ships and planes can be warned.

Structure of the textStructure of the text

Part I:(Para 1 ～ Para2)

Part : Ⅱ (Para3 ～ Para4)

Part : Ⅲ (Para5 ～ Para 6)

What is a satellite? How

Why is it so expensive ?

The usage of the satellites.

1.once: (stress “condition”)1.once: (stress “condition”) 一旦 conj

Once she arrives ,we can start .Once in bed ,the children usually stay there.

Once you get into the habit of smoking, you won’t be able to give it up easily.

曾经 adv. The song was once very popular.

Key points

2.Fold up 2.Fold up 折叠折叠

His brother unfolded the letter and began to read it.

He folded the letter and put it into his pocket

The map folds up into a booklet.

Key points

3. space un.Eg.Is there any space/ room left for this?

We need more space to set up the

equipment.cn.There is a space here for your signature.

Write your answers in the blank

spaces.I don’t think he saw me; he was just

staring into space.

4.reach to come as far as ① ② to stretch out a hand vt./vi.

Eg.He reached his hand across the table.He reached across the table and picked

up the book. ③ to be able to touch

Are you tall enough to reach that apple

on the tree?

We could see nothing but houses as far

as the eyes could reach. ④ to get

He reached for a book on the self above

his head.

Could you reach me the book from the

top shelf.

Phrases: beyond the reach of out of (the) reach of

within reach of5.connect

--- to join one object to another by means

of sth. that comes in between the two.

The two towns are connected by a railway.

Airplanes connect every major city in

the world.

与……有联系Eg. Mr.smith has been connected with

this company since 1996.be connected with

The woman’s face was familiar, but I didn’t immediately connect her with the girl who used to live next door to me.

The police was connecting this

accident with last week’s terrorist

bombing.给 ……    接通电话Operator, you’ve connected me to the

wrong person again.join …to… The new high way has joined my town

to the city.

We’ve going to join this island to the

mainland with a bridge.6.equip

--- to provide with what is necessary for

doing sth.A well / poorly—equipped hospitalTheir army was poorly equipped.使其具备条件

Your education will equip you to learn a

good living.

be equipped with

The soldiers were equipped with the

latest weapons.

Exercises:

1. The moon is a natural satellite ________. 

A. in sky B. in space

C. in the space D. into the sky

2. Satellites for broadcasting ________ radio

and TV programmes.  A. used to send B. are used to sending C. are used to send D. used to sending

Exercises:

4. The height ________ the photos were

taken was about 10 metres.  A. which B. that C. at which D. at that

5. When you have finished, please ________ the

map and put it away.  A. draw B. make C. fold D. put

3. ________ these satellites do not change their

positions.  A. Most B. The most C. Most of D. Most the

Lesson 55Lesson 55Comprehension questionsComprehension questions

1. How many countries set up an organization for sending telephone signals by satellite?17 countries

2.What is it called? Early Bird .

3.How many nations are there in this group?

More then 100 nations

4.What can tell the difference between healthy plants and diseased plants?

Special cameras.

5. For what is it useful?

This is useful for scientists working in forests and in agriculture

6. What problem does it have?

There is a lot of dust in the earth’s air.

1. set up vt. 建立，成立，立起来

e.g They set up a lab. The children set up a tent.

They set up some stones as the landmarks.

They decided to set up a fund for the

Hope Project.

set about sth./ doing sthe.g. Come and set about your work.

I don’ t know how to set about it.

She set about writing his report.set out to do / for sp.

e.g We then set out to climb the hill.

They set out for Rome.

set off

e.g They set off for home.

They’ve set off on a trip round the world.

4. tell the difference between A and B

tell A from B

e.g Can you tell me the difference between these two colors?

Few people can tell the difference between Jim and Jack, as they are twin brothers.

The two brothers are so much alike that it is difficult to tell one from the other/ tell them apart.tell…apart e.g One should know how to tell the good from the bad ones.

5. With ---- because of

The chief difficulty with these man was that they were old.In the morning the grass is always wet with dew. Her eyes shone with pleasure.

She was wild with joy at the news.Oils coming out of ships with accidents kills birds and fish.

6. Look into ---- try to see in sth.

I looked into the room,but there is no one.

She looked into my eyes for a long time

without speaking.He got such a shock when he looked into the

mirror.

Let’s look into this matter together.

The government will look into the living

condition of the works.

The police are looking into the

disappearance of the jewel(le)ry.

7. Vt. +it +adj./n.+ to do

consider,find,make,suppose,think

e.g The snowstorm made it hard to continue

the trip.

Children should made it a rule to wash

hands before meals.

I found it helpful to do exercises every

morning.Carry out

Eg. They also carried out other experiment.

There is some difficulty in carrying out

the plan.

We all have certain duties and jobs to

carry out.carry on

e.g. We will carry on our talk tomorrow.

He has learned enough English to carry a

conversation.

Please carry on !

1. Before you read the passage, ________ the words in the dictionary.A. look for B. look into

C. look after D. look up2.The machine is used to ________ the

experiments.  A. put out B. take out

C. carry out D. set out

Exercises:

3.With space satellites there are ________

problems.  A. not the such B. no such C. such D. such the

4.I've bought ________ eggs for dinner

tonight.  A. a dozen of B. dozen of C. a dozen D. dozens

5.Many satellites travel around the

earth ________ a very high circle.

A. at B. on C. in D. through