内容正文:
Unit 4 Life on Mars
Period 6 Study skills
一、选词填空
hear about;after all;compare.., with... ;without,in no doubt,think about
1. Many people are __________that life on Mars would be very interesting.
2. I have never_________ Daniel since he moved away.
3._________ water and oxygen, humans could not live.
4. ________ decent wine, water is tasteless,but is of great help when we are thirsty.
5. Before you start writing a story,__________the characters and what they do.
6. Moving to Mars would be safe. __________, humans have already been to the Moon.
二、单项选择
1. Flying to Mars ___________us about several months.
A. takes B. spends C. costs D. uses
2. --Must I finish the home work today? —No, you___________.
A. may not B. needn't C. can't D. mustn’t
3. Could you tell me _______it _______tomorrow?
A. if;will snow B. whether;snow C. if;snow D. whether;to snow
4. — _________crowded Jiefang Road is!
—Yes , because the number of cars has kept___________ greatly since April.
A. What a; rising B. What a;raising
B. How;raising D. How;rising
5. The Hong Kong-Zhuhai-Macao Bridge___________ is a masterpiece in modern engineering has won high praise from the world.
A. what B. which C. where D. why
6. —Will you join in the discussion tomorrow?
—______________ Maybe I'll have a meeting.
A. Well,I'm not sure. B. That'll be great!
C. Certainly. D. You're welcome.
三、完成句子
1.到2100年,我们的宇宙飞船就能以光速行驶。
By the year 2100,our spacecraft can travel________________________.
2.他们中的许多人认为他们可能因为住在那而生病。
Many of them think they might______________________________________.
3.由于人口快速增长,地球变得越来越拥挤。
The earth is becoming more and more crowded because of the_____________________________________.
4.我不确定这是否值得冒险。
I'm not sure if it_______________________________________.
5.害怕飞行的人当不了飞行员。
People___________________________________ can,t become astronauts.
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