一、用括号中所给词的适当形式填空。
1. — What does the little boy want to be in the future?
— He wants to be a (science) when he grows up.
2. People often get ill because they drink the (pollute) water from the river.
3. People on the planet Mars would have to wear special boots to prevent (they) from floating off into space.
4. Railway stations are usually (crowd) with people before the Spring Festival.
5. — I bought the present (special) for you. — Thank you very much.

1. scientist 2. polluted 3. themselves 4. crowded 5. specially

二、单项选择。
1. of the students in our class going to the summer camp in Beijing next week.

A.Two - fifths；is
B.Second - fifths；are
C.Second - fifths；is
D.Two - fifths；are

1. D

2. Light travels faster than sound the speed of about 300,000 kilometres per second.

A.in
B.at
C.on
D.out

2. B

3. (2025·南通市海安市模拟)— I found the midterm exam easier with the last one.
— I thought it was more difficult than what I had expected. I need to study more for the final.

A.connected
B.compared
C.contacted
D.completed

3. B

4. the news spreads! Now everyone in the town knows about it.

A.What rapid
B.How rapid
C.What rapidly
D.How rapidly

4. D

5. Food on Mars will not be as as it is on the Earth.

A.tasty
B.taste
C.tastier
D.tastes

5. A

6. (2025·南京市第一中学模拟改编)— What do you think of the magazine?
— Pretty good. I like Page 19 best because reading skills are introduced on it.

A.probably
B.nearly
C.simply
D.specially

6. D

7. — Our school library has so many new books this term!
— That’s true. The teacher said it’s because of the in students’ interest in reading.

A.decision
B.increase
C.pressure
D.difference

7. B

8. — Why do people love giving red packets during Chinese New Year?
— Well，it’s a tradition. People give blessings money inside those red packets.

A.in memory of
B.in the form of
C.in need of
D.in front of

8. B

三、根据教材 P52 课文内容完成短文。
Some people believe that humans could live on the 1. p Mars by the year 2100. Our own planet，the Earth，is becoming more and more crowded and polluted because of the 2. r increase in population. It is hoped that people could start all over 3. a and build a better world on Mars. Here is what life there could be like.
At present，our spacecraft are too slow to carry large numbers of 4. p to Mars—it would take months. With the development of 5. t，by the year 2100，the journey might only take about 20 minutes in spacecraft that travel at the 6. s of light! However，the spacecraft would travel so fast that the journey to Mars might be quite 7. u. Many people would feel ill.
Humans cannot 8. s without water，oxygen or food. So far，nobody knows 9. w there would be enough water or oxygen on Mars for people there. Moreover，scientists are not sure whether plants could grow on Mars. Food would most probably be in the 10. f of pills and would not be so tasty.

1. planet 2. rapid 3. again 4. passengers 5. technology 6. speed 7. uncomfortable 8. survive 9. whether 10. form