根据句意和提示写出单词，完成句子。
Guilin is a very beautiful city in the s____ of China. How I want to go on a trip there!
What’s the p____ of China? It’s about 1.4 billion. China has the most people in the world.
Never forget your own country w____ you go in the future.
C ____ with the past, our life today is much better.
—I don’t know what to do w____ my computer. It doesn’t work well again!—Why not ask Mr Jiang for help? He is a computer engineer.
After a terrible earthquake, food, water and ____ (帐篷) are needed most.
For thousands of years, the Great Wall has been the ____ （骄傲）of all the Chinese people.
You don’t like eating snacks and I don’t like eating snacks, ____ (也).
The special boots can prevent astronauts from____ (漂浮) away into space.
On the moon we could____ （容易）jump much higher than on the earth.
Tian’anmen Square is the biggest square in the world and is often____ (fill)with tourists.
Neil Armstrong got his student ____ (pilot) licence at the age of 16.
Last year our school held the 12th School Art and Culture Festival and it was a big____ （success)
Thomas Edison was one of the greatest____ (invent) in the world.
He made up his mind to explore places that were____ (know) to humans today.
吸作用的叙述中，正确的是 ( )