中国女药学家屠呦呦因为在创制新型抗疟药青蒿素的贡献而获得了诺贝尔生理学或医学奖，在领奖时她说：“感谢全国523个项目的通力协作，包括山东省中药研究所、云南省药物研究所、中国科学院生物物理所…衷心祝贺协助单位同行们所取得的多方面成果以及对疟疾患者的热忱服务．”这表明，屠呦呦在创制新型抗疟药青蒿素的过程中主要发扬了（    ）

     A woman is having some trouble(患病) with her eyes, so she goes to see the doctor. He is a new doctor and doesn’t know her, so he asks some questions and one of them is, “How old are you?”

     The woman says, “I don’t know, doctor, but let me think about it.” She thinks for a few minutes and then says, “Yes, I know now, doctor! When I marry(结婚), I am eighteen years old, and my husband is thirty. Now my husband is sixty. And that is twice(两倍) thirty. So I am twice eighteen. That’s thirty-six, isn’t it?”