11. Did you notice the guy __________ head looked like a big

11. Did you notice the guy __________ head looked like a big potato?
A. who
B. which
C. whose
D. whom
满分：4 分
12. Coal was formed out of dead forests by a long and slow _______ of chemical change.
A. press
B. procedure
C. success
D. process
满分：4 分
13. From a practical point of ________, it isn't a good place to live. It is crowded and heavily polluted.
A. view
B. look
C. opinion
D. value
满分：4 分
14. There have been many ______ in their marriage, but they still love each other.
A. right and wrong
B. back and forth
C. ups and downs
D. right and left
满分：4 分
15. The students were all entertained in a Mexican restaurant, at Professor Brian's __________.
A. money
B. pay
C. expense
D. loss
满分：4 分
16. He didn’t act like a gentleman as he made several __________ comments about his opponent with whom he would compete for the same post.
A. discouraging
B. lucky
C. unfavorable
D. favorable
满分：4 分
17. Smoking is __________ here. Could you move to the smoking zone please?
A. forbidden
B. stopped
C. preserved
D. ceased
满分：4 分
18. Their efforts to improve the production have been very _________, and they have been praised by the company for their contribution.
A. effective
B. efficient
C. effect
D. affective
满分：4 分
19. What is the train ________ to Birmingham?
A. fee
B. tip
C. fare
D. cost
满分：4 分
20. How much did you _____ all these things?
A. spend
B. cost
C. give
D. pay for