词语填空,通读下面的短文，掌握其大意，然后从各题所给的A、B、C三个选项中选出一个最佳答案。
Do you know Tu Youyou? She is a famous Chinese ________. She shared the 2015 Nobel Prize for Physiology or Medicine(诺贝尔生理学或医学奖) with two other foreign scientists. She is the first Chinese woman to  ________the prize. She found artemisinin(青蒿素)with her ________. She first tried the medicine on herself,________she wanted to make sure that it was safe (安全). “As the head of the group, I had the responsibility(责任).” The 85-year-old scientist spoke to CCTV  ________ her work. Artemisinin is a  ________ for the world people from the traditional Chinese medicine. It has  ________ many lives. Tu Youyou expects Chinese medicine to ________   more people all over the world.
We can learn a lot from Tu Youyou. We should do ________useful for people. If we want to be   successful, we should keep on working hard with our group and ________ give up.

A. dentist            B. scientist           C. nurse
A. win               B. beat                 C. lose
A. family            B. classmates          C. group
A. when              B. because             C. why
A. about             B. for                 C. in
A. gift              B. result              C. ticket
A. accepted          B. saved               C. decided
A. help              B. hope                C. meet
A. nothing           B. anything            C. something
A. seldom           B. never               C. Usually