A.to have stolen　　　　B.to be stealing　　　　C.to steal　　　　D.stealing

A.that;which　　　　　　　　　　　　　　　　　　　　　　　　　　B.what;that

C.what;which　　　　　　　　　　　　　　　　　　　　　　　　 D.that;what

　　Yuan Longping, _______(1) in 1930 into a poor farmer's family, is one of China's most famous scientists now. Since _______(2) when he graduated from Southwest Agricultural College, finding ways to grow more _______(3)has been his life goal. As a young man, _______(4)was a disturbing problem all over the countryside and he decided to make his effort to change the situation. In _______(5)he became the first agricultural pioneer in the world to grow rice called super_______(6) rice that has a high _______(7). Because of his research, now more than _______(8)of the rice produced in China each year is from this hybrid strain. Using his hybrid rice, farmers are producing harvests _______(9) as large as before. Now in China 22% of the world's people are fed from just 7% of the _______(10).

　　Yuan Longping considers himself a _______(11), though he has achieved so great achievements. In fact, his _______(12) face and arms and his slim, strong body are just like those of millions of Chinese farmers, for whom he has struggled for more than 50 years.

　　He is quite _______(13) with his life, but he doesn't care much about money, comfortable life and fame. Just dreaming for things, however, costs _______(14).