A
1. — Can you pass me the (筷子)? I want to have some noodles.
— Sure. Here you are.
2. We went to Beijing to watch the raising of the national (旗帜)yesterday.
3. It is (累人的)to reach the top of the mountain after three hours' climbing.
4. The old woman is (不确定，没把握)where she can find her clothes.
5. Jiangsu is in the e part of China, and it has many beautiful cities like Nanjing and Suzhou.
6. The couple won the Nobel Prize for the d of the radium.
7. This new type of power pack is (for one purpose)designed for robots.
8. When the old woman got on the bus, one of the (a person who is travelling in a bus)offered his seat to her.

A 1. chopsticks 2. flag 3. tiring 4. unsure 5. eastern 6. discovery 7. specially 8. passengers

B
1. As a great (发明家), Thomas Edison made a difference to our life.
2. The Tiangong Space Station is the (骄傲)of all Chinese.
3. Would you please write down all the (顾客)names and telephone numbers?
4. With the development of modern science and (技术), great changes have taken place in people's lifestyle.
5. The truck was out of c and ran down the hill. Sadly, the driver lost his life.
6. The Earth is a p, which goes around the Sun.
7. Many heroes remain (not known), but they have played their important roles in exploring outer space.
8. Yuan Longping found a natural hybrid rice plant that has many (a quality of sth. that makes it better)over others.

B 1. inventor 2. pride 3. customers' 4. technology 5. control 6. planet 7. unknown 8. advantages

C
1. His pet dog always makes a (乱七八糟)in the room when he is away.
2. Now in China, more and more families own their (私人的)cars and this leads to more air pollution.
3. This dictionary is available in (电子的)form. It is very convenient.
4. These (宇航员)successfully landed the spacecraft on the Moon's surface.
5. A car usually has four w, which can make it run fast.
6. The top of this mountain is three kilometres above sea l.
7. The invention of the computer is believed to be a great (a long or high jump).
8. — What's the (the total number of people in an area, a country, etc.)of your home town?
— About 100,000.

C 1. mess 2. private 3. electronic 4. astronauts 5. wheels 6. level 7. leap 8. population