15. Most importantly, such an experience helps ____ a heightened sensitivity to other cultures and will bring about a greater appreciation of one’s own culture as well.
A. coach B. forsake C. foster D.censor
16. When Ann broke the dish she tried to put the ____ back together.
A. fragments B. pieces C. bits D. slices
17. Jane tried to ____the doorman with money, but she failed.
A. bribe B. corrupt C. award D. endow
18. Classification is a useful____to the organization of knowledge in any field.
A. means B. approach C. mode D. manner
19. The human race has already paid a heavy price for its slow ____ to environmental threats.
A. response B. responsibility? C. resolution D. resistance