31. Stanley seemed superior() all other people in appearance, but was actually looked down upon by every one else.

A. to B. on C. at D. of (A)

32. Cowboys wore wide-brimmed hats to protect themselves () the sun.

A. from B. towards C. with D. by (A)

protect…from(against)… 保护。。。免遭。。。

33. His ambition and courage are based () his knowledge of the truth.

A. of B. to C. on D. of (C)

base…on… 把。。。建立在。。。上; on the basis of… 根据

34. Mary was too particular () food. Maybe that’s why she was so slim.

A. with B. from C. at D. on (D)

be too particular over… 对。。。太挑剔

35. Scott was very appreciative () the help from his teacher.

A. of B. in C. at D. on (C)

be very appreciative at… 对。。。深表感谢

36. () comparison with my boyhood, my undergraduate years in Oklahoma were paradise.

A. In B. With C. To D. From (A)

in comparison with… 和。。。相比较