1．-You are always sitting there watching TV.________，let’s go out for a walk, shall we?
-OK, but just a moment. The football game is just over.
A．Take your time B．Cheer up
C．Take it easy D．Come on
2．-Do you like Jiang Wen’s movie Let the Bullets Fly?
-________. I just watch it for fun.
A．Of course B．Not really
C．Not likely D．Not a little
3．_________he was，he still went on with his work.
A．Tired although B．Tiring as
C．Tired though D．While tired
Period Four Grammar & Writing
1．It is still under debate ________ built the Pyramid in ancient times.
2．_________works out the problem will get the prize.
3．________ they did made no difference.
4．_________ the foreign teachers will come on time is still a question.
5．________ they were late again made our teacher angry.
6．It has not been clear so far ________ class will win the match.
7．________ you said to me is like fresh air.
8．________ they will come back by air has been decided.
9．It is still a mystery ________ she could survive under the ruins for 10 days.
10．It is uncertain ________ he will recover from the serious illness.
1．________________________ (我想说的) is that it’s your fault.
2．________________________________ (他们什么时候能回来) hasn’t been decided.
3．It is clear ________________________________(他是一个乞丐)．
4．________________________________(他要请谁) is not important.
How did the universe begin?
● How did life begin?
● Is there life on other planets?
● Are there other life forms in the universe?
● What happened to all the matter after the “Big Bang”?
● What are “black holes”?
人教英语必修三同课异构课件： Unit 4 Astronomy the science of the stars Section A（共25张PPT）.ppt
The force of gravity would change four times on their journey . ( )
2. When they were on the moon, they would not feel the gravity because there was no gravity on the moon. ( )
3. Since the gravity has changed, their walk didn’t need a lot of practice. ( )
4. “A visit to the moon” was not a real story but science fiction .(
One hundred and forty million years before humans ______,dinosaurs ruled the earth. At that time they had few natural enemies. So they developed quickly. They ____________ young by _____ eggs. Until now no one knows the exact reason why the dinosaurs were unable to ______ themselves _____ disappearing
快速阅读课文“How life began on the earth”，以约30词写出文章的段落大意。
1．This ________ (理论) is helpful to explain how the universe began.
2．The big project has cost almost as much as one ________ (十亿) dollars.
3．Two people have been killed in the ________ (暴力的) incident on March 2nd.
4．Across the ________ (地球), sea level varies by hundreds of feet.
5．People suffering hunger still ________ (存在) in many parts of the world today.
6．Smoking is ________ (有害的) to health, but there are still many people picking it up.
7．Some people are still ________ (迷惑的) about how the computer works.
8．________ (不像) what you supposed, only few people attended his birthday party.
9．The new owners have tried to give the restaurant a more family?friendly ________ (气氛)．
10．The little boy is interested in ________ (天文学)．
答案：1.theory 2.billion 3.violent 4.globe 5.exist 6.harmful 7.puzzled 8.Unlike 9.atmosphere 10.astronomy
1．Good measures must be taken by the government to stop some companies ________ harming the environment.
2．At that time life was not known ________ scientists.
3．The origin of life ________ earth is a question that interests astronomers.
4．At the sound of the gun, the birds flew ________ all directions.
5．Though they were busy, they came to the meeting ________ time.
6．Water and air are fundamental ________ life, if man wants to keep alive.
7．The presence ________ our monitor made it difficult to make a decision.