(共24张PPT)
Unit 4 Topic 3
Section D
The secret of success in life is for a man to be ready for his opportunity when it comes.
人生成功的秘密在于，当机会来临时，他已准备好。（Benjamin Disraeli）
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）
Is there life on other planets in space
Do you know their names
学习目标
1.Master the new words and phrases：beyond, launch ; millions of, go around, send sb. sth.
2. Review the passive voice in the future.(复习一般将来时的被动语态结构)
3. Learn more knowledge about the universe and the solar system.(学习有关宇宙和太阳系的知识)；
4. Sum up the useful expressions of Topic 3 (总结本话题的有用表达)。
学习指导一﹙学习1a﹚（17mins）
（一）. 学习指导：（5mins）
1. 先用1分钟口头翻译问题 :
Have you found life on other planets
2. 合上课本，听1a录音，然后回答上面问题；再听1a录音，大声模仿录音跟读，纠正发音；
3. 学生自读课文1a,掌握课文大意，然后选出最佳标题。完成
1a.
4.学生精读课文1a,根据1a来完成1b,同时找出文中重点短语并掌握。
1).数百万年 2).环绕太阳 3).宇宙的一小部分
4).发射许多宇宙飞船 5).探索其它的行星
6).给我们发信息 7).太阳系之外
自研共探：（6mins)
参照117页Section D的课文注释，自读1a，并口头翻译,要弄懂每个句子，划出重点短语和句型，若有不理解的语言点，可与同桌小声交流，难理解的问题，进行小组讨论，解决自学中的疑惑点，完成学习指导的几项任务。
学情展示:（6mins）
教师指名或抽签四个小组，在黑板上板书或口头展示小组内讨论结果，根据情况适当加分或加星。其他小组可质疑补充，回答正确的可适当加分或加星。教师可根据学生展示过程中出现的问题进行适当的点拨。
1a Read the passage and choose a proper title.
1. Is There Life out There
2. Our Planet
3. The Stars at Night
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.
Eight.
The sun and its planets are called the solar system.
Yes.
A
A
B
C
D
1b Match the letters in the picture with their names according to 1a.
( )1. the solar system
( )2. the earth
( )3. the universe
( )4. the sun
A
B
D
C
师重点点拨：
1.And there are seven other planets that also go around the sun.
思考：that also go around the sun在此是_______从句，修饰先行词__________
2.Some spaceships have gone beyond the solar system.
点拨: beyond --- 在…之外，超出…范围(介词)
练习：What happened was beyond my control.
译: _______________________________
定语
planets
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.
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.
…
学习指导（二）“Grammar" and "Funtions"
学习指导：（3mins）
1.让学生阅读课本124页被动语态的用法1,2，3.加深对被动语态的理解，确切地弄明白与主动语态的区别；掌握一般将来时的被动语态的结构和用法：
will +be + v.的过去分词
2.朗读方框中的句子，复习一般将来时的被动语态和本话题的功能用语。
自研共探：（3mins）
学生大声朗读方框内的句子，不理解的或读不好的，可以向小组其他成员请教，比赛，看哪小组记得最快！三分钟后检测。
学情展示：（4mins）
采取抽签方式选出四个小组，在黑板上板书或口头展示小组学习成果，教师根据情况适当给小组加分或加星。其他小组可质疑补充，表现好的可适当加分或加星。教师可根据学生展示过程中出现的问题进行适当的点拨。
一般将来时态的被动语态
will + be + done
Passive Voice (III)
A wonderful movie will be shown tonight.
I’m excited about the things that will be discovered in the future.
( )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
B
A
D
C
D
Functions
We will be able to do anything that can be done on the earth.
I think you should first master some basic computer skills.
Let’s work hard. Then our dreams will be realized.
in space
one day
in order to
take part in
master some basic computer skills
prefer…to…
name after
at a distance of
search for
搜索
在太空
某一天
为了……
参加
掌握一些基本的电脑技术
有……的距离
喜欢…而不喜欢…
命名
Match the words with their meanings in Chinese!
归纳总结：（3mins）
重点短语及句子
1.beyond the solar system;
2.What fun !
3.I won’t believe there are aliens until I see them with my own eyes.
4.Its diameter is 53% as that of the earth .
重点语法：一般将来时的被动语态
will+be +及物动词的过去分词
(一)、根据句意及首字母提示，补全单词。
1、The sun and its planets are called the s_____ system.
2、In the u_____ ,there is the earth ,the moon ,the sun .the stars and all Other things too far away to see.
3、His plan was far b______ what we thought before .
4、Please write each quiz question on a____ piece of paper.
5、The book is very interesting .It is well worth _____
(read).
1.科学研究应该仔细地做。
Scientific _________ should be done carefully .
2. 我真羡慕那些宇航员。
I really ________ those astronauts.
3. 我觉得你应该首先掌握一些基本的电脑技术。
I think you should first master some ________ computer skills.
4. 那些天我们不得不限制用水。
We had to _______ the use of water during those days.
5. 科学家们仍然在搜索更多有关火星的信息。
Scientists are still ____________ for more information about Mars.
6. 太阳系是宇宙一个很小的部分。
The solar system is a small part of the___________.
research
limit
searching
universe
admire
basic
（二）. Complete the sentences according to the Chinese meaning.
（三）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.
shown
done
until
realized
two-fifths
