A.relies on B. consists in C. composes of D. comprises in

　　14. To make this ____clear we shall have to look closely into biologys 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 ones 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?