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. I failed the college exam, but I decided to give myself ____ second chance by studying for ____ degree in the evenings and on weekends.
A. the; a B. a; a C. an; the D. \; the
22. When Madam Curie did the science experiment again, she was more careful where she ______ a mistake.
A. made B. has made C. was making D. had made
23. -- Guess what! I have got an A for my term paper.
-- Great! You _____ have read widely and put a lot of work into it.
A. must B. should C. may D. need
24．The man who was caught ______ in the park has been fined 50 pounds as a punishment.
A. to spit B. spits C. spitting D. spat
25. American Indians_________ about five percent of the US population.
A. fill up B. take up C. set up D. make up
