21. The old man enjoys collecting signatures of cotemporary famous people _______ famous paintings.

　　 A. with preference of　 B. in preference to　 C. in preference for　 D. with preference to

20. ________ exhibits made of clay on exhibition have to be taken special care of _____ them from being damaged .

　 A. Delicate; preventing　 B. Fragile; to stop　 C. Weak; to keep　 D. Faint; keeping

19. Visual teaching aids _______ to students and help them learn better but ______ they should not be overused in class.

　 A. attract; on the other hand　　 B. appeal; on the other hand

　 C. hold interest; on other hand　 D. are interested; on one hand

18. The girl ______ to figure out what the boy’s attempt was _____ by giving her a bunch of roses but without success .

　 A. managed; X　 B. succeeded; on　 C. attempted; at　 D. tried; on

17. _______ of time and energy has been spent in making the earthquake-stricken areas a permanent museum to remind people how disastrous a natural disaster can be.

　 A. Large quantities　 B. A great deal　 C. A good many　　 D. A plenty

16. Egypt ______ a high reputation of ancient civilization across the world

　 A. likes　　 B. appreciates　 C. enjoys　 D. is fond of

15. It still remains a mystery why some people are _______ certain flower fragrance while others are not.

　 A. allergic to　 B. accustomed to　 C. addicted to　 D. appealing to

14. It _______ a superb mind to predict what will exactly happen in the future.

　 A. takes　 B. costs　 C. spends　 D. makes

13. In such a ______ situation, we have to be careful of what we say and what we do.

　 A. delicate　 B. fragile　 C. weak　 D. flexible

12. All visitors were amazed at the skills and ______ the artist ______ when carving the figure on the marble

　 A. technologies; showed　　　　　 B. techniques; displayed　

C. technology; made　　　　　　　 D. technique; displayed