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Liang Qichao educated his own children well. He set a good example for them and often communicated with them. If there were a talk across time and space, he would advise middle school students like this. Don’t be afraid of the difficulties in life. Never stop learning. You’ll get good results sooner or later. No matter where you go in the world, don’t forget your motherland. You have many chances and can go after your personal dreams anywhere, but you should always keep your homeland in your heart.

It took Qian Xuesen five years to finally return to China from America and ten years to complete the rocket project. Mr. Qian put all his life into the endless outer space as the leader of China’s “Two Bombs and One Satellite” Project. He is known as the “father of China’s space program” and “king of rocket”. Qian Xuesen was so great a scientist, but he never stopped his research. He believed that there was no end to the exploration（探索）of science and truth, and said, “Nothing is final!”

When Yuan Longping was young, he saw lots of Chinese people starving（挨饿）. To make sure everyone had enough to eat, he worked in the fields for many years doing experiments. He didn’t stop even when others told him he was wasting his time. Because of his research, China’s rice yields（产量）increased greatly. When hunger was no longer a problem in China, Mr. Yuan still spent all his time out in the experimental fields so that people could live a better life.

（1）Did Liang Qichao educate his own children well?

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（2）How long did it take Qian Xuesen to finally return to China from America?

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（3）What qualities（品质）do the three great people have in common（共有的）?

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（4）As there are different situations in real life, do you agree that nothing is final? Please explain.

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