Sweet wormwood(青蒿)is a common plant inChina and Tu Youyou is the woman _________used the special power of the plantto save __________lives.
句意：青蒿是中国常见的一种植物，而屠呦呦是利用这种植物的特殊力量拯救数百万人生命的女人。
考查定语从句的关系代词和数词短语。本句先行词the woman是人，关系词在定语从句中做主语，可知使用关系代词who；短语millions of：数以百万的；故选B。
Sweet wormwood(青蒿)is a common plant inChina and Tu Youyou is the woman _________used the special power of the plantto save __________lives.
In our school everystudent has to choose a club to join, so about one ________ students havejoined the Sports Club.
My mother will be________ years old next week. I’m planning to buy a gift for her ________birthday.
Our country isnearly________years old. We'll celebrate its________birthday on October 1, 2019around the country.
Today is my littlebrother's ________ birthday, so I put________candles in the cake.
My grandparents live inan old apartment with ________ floors and they are on the ________ floor.
He got ________ birthdaycakes on his ________ birthday.
We are preparingprograms to celebrate our country’s ________ birthday.
—I like number “9” best,because I think it stands for “long lasting”.
—Me too. So I chose ________ floor to live on.
Please pass me_________book on the right.
