Tu Youyou is the first ____________________ in medicine.

What do you know

Her great discovery in Chinese herbal medicine ( 中草药)is seen as a big c________________to the human health.

Chinese Nobel winner

ontribution（贡献）

An amazing person should be d_________ to his/her work and be enthusiastic(热情的) about what he/she is doing. Besides, he/ she should never ______ ______ in face of difficulties or failures.

evoted

give up