Module 3 Journey to space 模块导学案(2课时)

外研版 八年级英语下册导学案
Module 3 Journey to space
Unit 1 Has it arrived yet
一．学习目标：
1. 熟记本单元所学的新单词，短语及日常用语，并能准确运用
2. 掌握含有already, just, yet现在完成时现在完成时句型
二.教学 ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )重难点
1.重点句子：I’ve just made a model spaceship.
Has it arrived yet
Astronauts have already been to the moon.
2.难点：现在完成时的应用。
三.学习步骤：
1课前延伸：
[课前朗读] ：根据音标读出单词并了解汉语意思，养成学生自主学习词汇的习惯，促使学生迅速进入学习状态。
2、课内探究：
（一），Listenin ( http: / / www.21cnjy.com )g
1. Listen and number the words as you hear them.
earth land message
moon news planet
reach scientist
2. Listen again and complete the notes.
● news about the trip to (1) _________
● journey of (2) _________ months
● has not sent back any (3) _________ yet
● hope to fi nd (4) _______ on Mars
3. Listen to the conv ( http: / / www.21cnjy.com )ersation and check the true sentences.
( ) 1. Daming has just ceship for the school project.
( ) 2. The spaceship to Mars has arrived.
( ) 3. No one has been to the moon.
( ) 4. There aren’t any astronauts in the spaceship to Mars .
( ) 5. They have discovered life on Mars.
(二). Reading
1. Now read the conversation and answer the questions.
1). What school project have Daming and Tony got
2). How does Daming feel about the school project
3). What news has Tony heard
4). Has anyone been to Mars Why
2. complete the passa ( http: / / www.21cnjy.com )ge with the correct form of the words in the box.
　　　On today’s news, Tony has heard that scientists have (1) ____ a spaceship to Mars and it has (2) _______ on the (3) _____ after a journey of several months from the earth. Scientists have not (4) _________ life on Mars (5) ___. And no astronaut has ever been to Mars because it is very far away.
(三)、Language points:
What are you up to 你在忙什么？（Unit1）
be up to 意为“忙于，从事，正在做”,常用于口语中
翻译：我最近没见你，忙什么呢？
I haven’t seen you these days recently, ___________________.
So they have discovered life on Mars
那么他们在火星上发现生命了吗？（Unit1）
discover为及物动词， 意为“____________”
辨析：discover/ find/ invent
discover 表示“偶然”或“经过努力”发现客观存在的事物、真理或错误。
find 意为“发现，找到”，指对某种事物的寻找，强调找的结果，其后可接名词或从句。
invent 意为“发明”，指经过认识和实践创造出以前没有的东西。
【Exercise】
Who _________ America
A. found B. discovered C. invented D. looked
3. Astronauts have already been to the moon.
But no one has been to Mars.
科学家们已经去过月球。但 ( http: / / www.21cnjy.com )是没有人去过火星。
试比较：
1). I have been to Beijing twice.
2). Astronauts have been to the space station.
They returned last week.
3). Tom has gone to America. He will return next
week.
4). Lingling and Daming have gone to Shanghai.
They will stay there for five days.
have/has been to 去过某地（已经回来）
Have/has gone to 去了某地（还未回来）
牛刀小试：
(1)--Where have you been
--I have __________ to the supermarket.
(2)--Where is Lingling She is not here now.
--She has ________ to the zoo.
(3)Tony has _________ to England many times.
He wants to go there again.
(4)--Have you __________ to the hospital to see Ms Wang
--Yes, I have.
4. Grammar:
朗读下面4个句子：
1）.Has it arrived it yet
2）.I’ve just made this model of the space station
）3.I haven’t started it yet.
4）.But astronauts have already been to the moon.
比较：already表示已经， 用于__________ 句，放在句 _______或_________
yet 表示，尚，未 用于 _______和 __________句，放在句__________
just 表示刚刚 用于 ________ 句,放在句 ________--
【即学即练】 用just, already, yet填空:
(1)They’ve ________seen the film twice. It’s wonderful.
(2)David has ________come back from New York.
(3)Mum, I’ve _________finished my homework. Can I play football
(4)They’ve __________heard the news. Now, they’re talking about it.
(5)Xiao Ming hasn’t returned __________. His mother is angry.
(6)Have the students found the lost dog _______
(7)No one from other planets has sent us a message________.
（四）、当堂达标检测
1. 用have/has gone或 have/has been
1) ---Where are the boy students
　　 ---They ___________ to the school factory.
2) -- Is your father at home
-- No, he __________ to Shenzhen.
--______he ever ______ there before
　　--Yes, he __________ there several time
2. 用动词的适当形式填空：
1). I ____just_____(eat) some ice cream.
2). They____________( not find) any life on Mars yet.
3). Lucy __________(show) her model to us already.
3. 单项选择：　 1).They __________to America last year.
　　A. have travelled B. travel C. travelled
2). I am listening to the news ________the radio about the war in Iraq.
A. in B. on C. of
3). “_____ does it take ” “It takes half an hour.”
　　A. How long B. How soon C. How far D. How often
4). He promised to pick me up at the school gate. However, he _______ yet.
　　A. didn’t arrive B. doesn’t arrive
　　C. isn’t arriving D. hasn’t arrived
5). ----Have you heard the news ______
----No, not ______.
A. already ; alrea ( http: / / www.21cnjy.com )dy B. yet ; already C. yet ; yet D. recently ; already
四、课后拓展：
1. Read and write the phrases.
2. Preview Unit 2.
Unit 2 we have not found life on any other planets yet.
一.学习目标：
1.知识目标：掌握重点单词和词组的意思及用法
2.能力目标：使用现在完成时态描写太空旅行
3.情感目标：通过本课的学习增加学生的天文知识，培养学生的民族意识。
二.重点难点
整体把握文章，理清文章思路
三.学习步骤：
1、 课前延伸
Read the new words before class
2、 课内探究：
（一）、情景导入： Work in ( http: / / www.21cnjy.com ) pairs. Look at the picture and talk about what you know about Chinese spaceships.
（二）多层阅读:
I. Fast reading. ( http: / / www.21cnjy.com )Read the passage and choose the best title for it. （√）
( ) 1. Anyone out there ( ) 2. Life on earth
( ) 3. The sun and the stars ( ) 4. The stars at night
II. Careful reading. Read again, 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 ( http: / / www.21cnjy.com )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. ( )
Is there life ( http: / / www.21cnjy.com ) on other planets There are eight planets in our ____________, but ___________ of them has a(n) ____________like that of the earth. Spaceships from the earth have done surveys of other planets, but they have not found any life there. Why has no one from other planets tried to ___________ with us It is true that scientists have not discovered life on other planets in the ____________ yet, but some scientists do not __________ that they can find it some day.
(三)、 精讲点拨：
1. Scientists think that there has been life on the Earth for
years. 科学家认为地球上的生命已经有亿万年了。 millions of 数百万
hundreds of 数百
thousands of 成千上万 billions of 数十亿
Galaxy, and our sun is only one of them. 银河系中有数十亿颗恒星，我们的太 阳只是其中的一个。
2. them has ( http: / / www.21cnjy.com )an environment like that of the earth, so scientists do not think they will find life on them.他们中没有一个有像地球这样的环境，因 此科学家们认为在他们上面找不到生命。
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
3. So how large is ( http: / / www.21cnjy.com )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 difficul ( http: / / www.21cnjy.com )t to read these words. 读这些单词很难。 space 宇宙中有这么多星球，我们是孤独的 吗？或者太空中还有其他生命存在呢？
with + 名词 + 介词短语，表示伴随情况，意思是“带着……”。
Miss zhang came in with a book in her hands.
张老师手里带着一本书进来了
（四）：Test:
单项选择：
1. She _________the teacher’s office. You can find her there.
A. has been to B. has gone to C. has left D. went
2. I ______to Canada It’s so beautiful.
A. won’t go B. have gone C. don’t go D. have been
3. --Has Dave come _______
–-Yes, she has _______been here for 10 minutes.
A. yet, already B. already, yet C. already, already D. yet, yet
4. ______your help , I finished the work easily.
A. With B. Without C. Under D. Below
5. It’s impossible _______ how large is the Galaxy.
A. imagine B. to imagine C. imagining D. imagined
我是小小翻译家：
1.地球是一颗行星，它围绕着太阳转动。
The Earth is a planet and it __________ _________ the Sun.
2. 我们还没有在其它行星上发现生命。
We have not found life _______ ______ _______ planets ________.
3.科学家们已经在宇宙中发现了许多其他星系。
Scientists have d ( http: / / www.21cnjy.com )iscovered many other galaxies ______ ______ _________.
4. 太阳系只是我们星系的一小部分。
The solar system is ________ _________ ________ ________ our Galaxy.
5.宇宙中有这么多的恒星，我们是孤独的吗 ( http: / / www.21cnjy.com )？太空中还有其他生命吗？ ________ so many stars ______ the universe, _______ _ _______
_________, or _______ _______ life out there ____ ______
四、课后拓展：
1. Read and write the phrases.
2. Preview Unit 3.