26. Is this the reason ______ at the meeting for his carelessness in his work?

　 A. he explained　　　　　　　　　　 B. what he explained

　 C. how he explained　　　　　　　　 D. why he explained

25. Every possible means _______ to save the patient, but ________ worked.

　 A. have been tried; none　　　　　　 B. has been tried; no]

　 C. has tried; no　　　 　　　　　　　D. had been tried; none

24. Charles Babbage is generally considered _______ the first computer.

　 A. to invite　　 B. inventing　　　 C. to have invented　　　 D. having invited

23. Is this the car _______ you go to work?

　 A. by which　　 B. on which　　　 C. in which　　　 D. in the one

22. I was so angry that I _______ throwing something at him.

　 A. felt　　　　 B. felt like　　　　　 C. wanted　　　　　 D. would like

21. Nowadays many students go to school ______ bikes.

　 A. by　　　　　 B. on　　　　　 C. in　　　　　　 D. with

20. There are 2000 workers _________ in the company, most of whom are women.

　 A. at all　　　　 B. after all　　　　　 C. first of all　　　　 D. in all

19. What are you arguing __________ the teacher?

　 A. about　　　　 B. with　　　　 C. about with　　　　 D. with about

18. China is a _________ country ________ the third world.

　 A. developing; belong to　　　　　 B. developing; belonging to

　 C. developed; belonging to　　　　 D. developed; belonged to

17. You can ______ mine if you have ______ your book at home.

　 A. share; left　　 B. buy; left　　 C. borrow; forgotten　　　 D. use; forgotten