20. People often turn to humorous ways when meeting with difficult　　　　 because of its effectiveness.

　　　 A. situations　　 　　　　　 B. occasions　　 　　　　　 C. backgrounds　　　 D. cases

19. Politeness is a(n)　　　　　　 phenomenon among all the social groups, but it is marked by different cultures.

　　　 A. steady　　　　 　　　　 B. complete　　　 　　　　 C. universal　　　　 　　 D. original

18. The financial crisis that originated on Wall Street swept the world, thus　　　　 large numbers of workers jobless.

　　　 A. leaving　　 　　　　　　　 B. to leave　　　 　　　　 C. left　　　 　　　　　　　 D. have left

17. It must be kept in mind that　　　　　 lifelong study can you survive in the highly competitive society.

　　　 A. only when　　　　 　 B. until then　　　 　 　C. only through　　　 　 D. until when

16. If you want to do something for your life them don’t worry what others will say or think. Just

　 　　　it!

　　　 A. go for　　　　 　　　　 B. stand for　　　 　　　 C. reach for　　　　 　　 D. head for

15. The pilot lost connection with the military base,　　　　 the plane crashed in the desert.

　　　 A. by means of which　　　　 　　　　　　　　　　　　　 B. in front of which

　　　 C. in case of which　　　　 　　　　　　　　　　　　　　　 D. as a result of which

14. Honesty is a kind of quality and that’s 　　　　　it takes to communicate with others successfully.

　　　 A. what　　　　　 　　　 B. why　　　 　　　　　　 C. how　　　 　　　　　　　 D. which