Finally,Tu found artemisinin (青蒿素) in sweet wormwood in 1971.She spent the next decades __9__(try)to improve the medicine.According to World Health Organization,about 200 million people suffer __10__ malaria around the world,and about half a million die each year.Artemisinin is still the most effective treatment against malaria known today.
Tu never complains about how hard she works.“I feel more rewarded when I see so many cured patients,” she said.【语篇导读】 本文是一篇记叙文。屠呦呦是中国第一个获得诺贝尔奖的女科学家,她带领她的团队发现了
1.but [考查连词。空前语境为:青蒿在中国是一种常见的植物;空后语境为:它有治愈致命疾病——疟疾的能力。根据空处前后语境可以判断,两句为转折关系,故用转折连词but。]
2.is [考查时态和主谓一致。根据该句中的“who uses the plant’s special power”可知,该句应用一般现在时。又因主语为Tu Youyou,故用is。]
3.to receive [考查动词不定式。根据该句中的“the first native Chinese person”可以判断,该句应用动词不定式作person的后置定语。]
4.it [考查it的用法。分析该句结构可知,动词不定式短语to fight for the health of all humans作真正的主语,it作形式主语。]
5.that/which [考查定语从句。分析该句结medicine,空处在从句中作主语,故用which或that引导该定语从句。]
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