13. She often says her greatest happiness ____serving the handicapped children.
A.relies on B. consists in? C. composes of D. comprises in?
14. To make this ____clear we shall have to look closely into biology’s long history.?
A.distinction B. indication C. recognition D. constitution?
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?
20. We have a high regard for Prof. Joseph because he always ____ his principles.?
A. lives on B. lives up to? C. lives through D. lives with?
21. My grandfather accidentally ____ fire to the house.?
A.put B. took C.set D. got?
22. We enjoyed the holiday____the expense.?
A.except B. besides? C. in addition to D. except for?
23. If you want children to work hard you must ____their interests instead of their sense of duty.
A. appeal to B. look into C. give rise to D. go in for?
24. Basically a robot is a machine which moves, manipulates, joins or processes ____in the same way as human hand or arm.?
A. characters B. components? C.catalogues D. collections?
25. Of course, talking about something which affects them personally is ____motivating for students.
A. chiefly B. correctly C. currently D. eminently