Tu Youyou was ________ the 2011 Lasker clinical Medical Research Award on September 12 because she discovered a drug called artemisinin ________ against malaria.
25. The only language ____is easy to learn is the mother tongue.
24. He is the first person you can think of to rely on, for he is always willing to ___whoever is in trouble.
23. While shopping, people sometimes can’t help ____into buying something they don’t really need.
22.It is generally believed that teacher is ____it is a science.
第二部分英语知识运用(共两节,满分 45 分) 第一节单项填空(共15 小题,每小题 1 分,满分 15 分) 21.----My head hurts, I feel terrible! ----_____. You’ll be all right soon.