Module 3Unit 2

We haven’t found life on the other planets yet.

Revision:

Discussing1. How many planets are there in the

universe?

2. Is there any life on other planets ?

1. Answer the questions.

2. Listen and read

3. Choose the best title.

Check the true sentences:

1. The earth is a star.2. The sun is a star.3. There is more than one galaxy.4. Our galaxy is part of the Milky Way.5. The light from stars has taken a long time to

reach us.6. Scientists have found life on other planets.7. They have received many messages from

space.8. They’ve visited most of the universe.

×

√√√√

×

××

A. galaxy

B. planet

C. solar system

D. star

E. universe

Match the words with the pictures

AB

C

DEB

Put the words in the box in ordersmall--- large

galaxy, planet, solar system, star, universe

planet star ---------- ----- -----solar system

galaxy universe

Language points:

1. millions of + n. “ 数百万的” …(two) million + n. “…( 两 ) 百万”There are _______ (million / millions )of people in

Shanghai.

The Big Library has got two ______ (million / millions ) books.

Our Earth is __________________ years old.

A. five million of B. millions of C. five millions

hundreds of / thousands of + n.

two hundred / thousand + n.

2. go around “ 绕着．．．运转” around (prep.) = round

The Earth goes around the Sun.

He runs around the playground every day.

3. more than = over “ 超过 , 多于” More than 200 people from Dongsi are learning

English. My grandpa is over 70 years old.( 改为同义句）

My grandpa is ______ ______ 70 years old.

Put the sentences into English.

1 很难弄清楚宇宙到底有多大． It is ______ _______ understand how _________ _______ ________ _______.2. 科学家认为地球上的生命已有数百万年． Scientists think that _______ ______ ______ life on Earth

for _______ _____ years.3. 来自星星上的光花了很长时间才到我们这儿来． The light from stars _____ _____ a long time _____

_____ us .4. 我们还没有在其他星球上发现生命． We ______ ______ life on other planets ______.

hard to large the

universe is

there has beenmillions of

has taken to

reach

haven’t found yet

1. Read the text and answer the questions about the words in the box..

2. Do Activity 6—7.

HomeworkSearch the internet

• Find out the English names of the planets in the solar system.

• What have Chinese done to explore the space.

课后反思 : 信息量大，重点内容的教学相对贫乏。教师应该善于发挥

主导作用，使教学引人入胜，轻松自如，调动起学生的学习积极性，

从而使学生学得津津有味。