Module 3 Journey to space Unit 2 We have not found life on any other planets yet教学课件

课件25张PPT。Module 3Journey to spaceModule 3Unit 2We have not found life on any other planets yet.学习目标1.熟记重点单词：none, environment, solar, system, group, galaxy, universe, light, impossible, out, communicate
2.掌握重点短语:hundreds of millions of…
solar system, in the universe, far enough, in space,
go around the sun, be called, have to,
communicate with
3.掌握重点句型：(现在完成时)
主语+have/has+动词的过去分词
Do you know the words and expressions in the box? Put them in order: small — large.galaxy planet solar system star universeplanet— star —solar system — galaxy— universeA. galaxy
B. planet
C. solar system
D. star
E. universe Match the words with the pictures.ABCDEBSkimming(略读) to get general idea1. Anyone out there?
2. Life on Earth
3. The sun and other stars
4. The stars at nightRead the passage and choose the best title for it. Scanning（跳读） to get detailed informationCheck(√) the true sentences.
1. The earth is a star.
2. The sun is a star.
3. There is more than one galaxy in the universe.
4. The light from the stars in other galaxies has travelled for a long time to reach us.
5. Scientists have received many messages from space.
6. Spaceships have visited most of the universe.√√×√××Careful reading （精读）to
solve difficult pointsgo around the sun 绕太阳转
be called 被叫作…
solar system 太阳系
have to 不得不
communicate with … 与…交流,与…联系
far enough 足够远
in the universe 在宇宙中
in space 在太空中
Language points Scientists think that there has been life on the earth for hundreds of millions of years.
科学家们认为地球上的生命已经有上亿年的历史。there be 的现在完成时“there have/has been+名词”

There has been a picture on the wall for
a long time.There have been some old trees in our school.eg:很长时间以来在墙壁上已经有这幅画了
在我们学校已经有一些古树了。 hundred前加基数词，表示“一百、二百、三百……”，hundred要用单数形式；hundred与of连用表示“数百”时，hundred要用复数形式，即hundreds of。例如：
thousand, million, billion和hundred的用法相同。There are eight hundred students in our
school.There are hundreds of people in the park.
We planted _____ trees last year.
A. hundreds of B. hundred of
C. five hundreds D. five hundred ofPractiseWith so many stars in the universe, are we alone, or is there life out there in space?
宇宙中有这么多星球，我们是孤独的吗？抑或太空中还有其他生命存在呢？
要做的事情这么多，我们都没时间玩了。这里with so many stars in the universe是介词短语，在句中作状语。类似的例子还有：With so many things to do, we have no time
to play.
那个女士站在那里，手插在口袋里。Practise— Why do you always sleep ______?
— Because I’m afraid of the dark.
A. by yourself B. with the door open
C. with the window open D. with the light on The woman stood there with her hands in
the pockets.
alone: 独自，单独一人（没有感彩)
lonely :孤单的，孤独的（指情感上的孤独）
她独自一人回家She went home alone.有时，我会感到孤独。Sometimes, I feel lonely.practiceHe lives ___, but he never feels_____.
A. lonely; alone B. lonely; lonely
C. alone; lonely D. alone; alone3. Why has no one communicated with us?
为什么没有人和我们联系呢？

We rang several times, but no one answered. 我们按了几次铃，但没有人来开门。no one表示“没有人”，作主语时，谓语动词常用单数形式。如：none 指三个或三个以上的人或物中“没有一个”，其后常接“of + 名词 / 代词”，后面动词单复数形式均可。None of us has / have been to Sanya.
我们都没去过三亚。— I’m hungry. Is there any bread in the fridge?
— _____, but we have cakes. Would you like to have one?
A. Some B. Much C. None D. NothingPractisenone, environment，
solar, system
group, galaxy
universe, light
impossible, out
communicate本课时主要单词hundreds of millions of…
in the universe
far enough
in space
go around the sun
be called
have to
communicate with本课时主要短语1. However, we have not found life on any other planets yet.
2. None of them has an environment like that of the earth.
3. Scientists have also discovered many other galaxies in the universe.
4. We do not know the answers yet.本课时主要句型HomeworkSearch for more information about universe. Preview the use of present perfect tense.
Preview the new words and expressions about space.Thank you!