B. giant

C. progressive

D. tough

正确答案：D

38. Life depends on the _________ between the heat received from the sun and the heat lost to

cooler surroundings.

A. relationship

B. contrast

C. exchange

D. balance

正确答案：D

39. American consumers prefer white eggs; _________, British buyers like brown eggs.

A. additionally

B. moreover

C. conversely

D. comparatively

正确答案：C

40. Your failure in the final examination is due to the fact that you didn't ______ enough

importance to your English.

A. attend

B. attack

C. attach

D. obtain

正确答案：C

41. If you want to _______ that you get the diploma, you have to work harder and take all these

courses and pass them.

A. assure

B. insure

C. ensure

D. reassure

正确答案：C

42. The team's attempt to win the game was _____ by the opposing goalkeeper.

A. shocked

B. frustrated

C. given up

D. caught up

正确答案：B

43. After he was accused of theft, John collected all the evidence and hired a lawyer to ______

him.

A. offend

B. prove

C. defend

D. argue

正确答案：C