新外研版_八年级组下册Module3Unit2We_have_not_found_life_on_any_other_planets_yet

注意：none 与no one（nobody） 的区别：
(1) none既可指人也可指物，通常与表范围的of 短语连用； no one(=nobody)只能指人，不能与of 短语连用。 如：_________ of the reasons was true. A A. None B. No one C. All
planet Mars Spaceships have travelled tothe ___________ _ and_______________________. outside the solar system But not travelled _______________________yet, to other stars in our Galaxy
How many words universe do you remember?
SolarMilk system way
out
communicate
group
planet and it goes around the su The earth is a ______ Seven other planets go around the Sun. _______ The sun and its planets are calledthe ___________ solar system
We do not know the answers…yet.
Check 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. Scientists have visited most of the × universe.
because it is too_______. far
The 5th Para.
Have scientists discovered any life in outer space yet? No, not yet.
Is there life out the solar system in space?
1. Scientists think that there has been life on the Earth for hundreds of millions of years.
there has been there be 现在完成时态
millions of 数百万 hundreds of 数百 thousands of 成千上万 billions of 数十亿
Complete the passage with the words and expression in the box. communicate environment none solar system universe Is there life on other planets? There are seven other planets in our (1) ____________, solar system but (2)______ none of them has a(n) (3)____________ environment like that of the earth.
1.成百万年 2.在其它的行星上 3.绕太阳转 4.他们中没有人 5.被叫做 6.太阳系 7.一小部分 8.几十亿的星星
millions of years on any other planets go around the sun none of them be called the solar system a small part of billions of stars
When did it come back?
on 29th ot June 2012
Who are the astronauts? Liu Yang, Jing Haipeng, Liu Wang
Is there any life on the other planets?
Read the passage and choose the best title for it.
There has been life on the earth for hundreds of millions of years.
2.Have we found life on any other planets yet? No, we haven’t.
The 2&3rd Para.
1. Which is true?
Liu Yang Jing Haipeng Liu Wang
When did we send it? Where did we send it?
on 16th of June 2012
Jiuquan, Gansu Province.
Thirteen days. How long did it stay in space?
6. So how large is the universe? It’s impossible to imagine. 所以宇宙有多大？我们无从想象。 句型: It is + 形容词 + to + 动词原形， 意思是“做某事很……” e.g. It is difficult to read these words. 读这些单词很难。
alone 在句中作形容词，不作定语只做表语，也可作副词。 意思是“独自地”。 lonely 在句中作形容词，作表语，强调人的感觉。意思是 “孤独的”。
e.g. She was alone in that dark room. And she feels lonely. 她独自一人呆在那黑屋子里。 她觉得很孤单。
(2) none与数量有关，可回答how many问句，表示“一个 也没有”；而no one表示“什么人也没有”，可回答who 问句。如 ：are you speaking to?-_________. -Who
-How many students are there in the room? None -_________.
e.g. There are billions of stars in the Galaxy, and our sun is only one of them
2. … our solar system is a small part of a much larger group of stars and planets, called the Galaxy or the Milky Way. ...... 我们的太阳系只是一个由恒星和行 星组成的星系的一小部分，这个星系 比太阳系大得多，称作银河系或银河。
Module 3
Unit 2
We have not found life on any other planets yet.
dahaozhuang School houchunyan
Hale Waihona Puke Try to remember the words as many as possible.
impossible environment light
5. With so many stars in the universe, are we alone, or is there life out there in space?
with + 名词 + 介词短语，表示伴随情 况，意思是“带着……”。 e.g. Mr. Zhang is coming with a book in his hands. 张老师手里带着一书进来了。
√
2.Put the words and expressions from the smallest
to the largest :_____________ B D C A E
A. galaxy B. planet C. solar system D. star E. universe
The 4th Para.
on 16th of June 2012 China sent shenzhou-9to the space
Look at the picture and talk about what you know about Chinese spaceships. Shenzhou-9 is a manned spaceship.
A: Seven planets go around the sun. B: there are only stars in the galaxy. C. The solar system is larger than the galaxy. D: the Environment of the earth is different from that of other planets in the solar system.
3. None of them has an environment like that of the earth, so scientists do not think they will find life on them. none of … 表示（三个以上）一个也没 有。做主语时，谓语动词可用单数或复 数。 e.g. None of us has/have been to the Mars. 我们中没一个去过火星。