9. If you want to keep healthy you should vary the foods you eat.
A. reject
B. accept
C. change
D. choose
10. She found me very dull.
A. dirty
B. sleepy
C. lazy
D. boring
11. Only a small minority of the mentally ill are liable to harm themselves or others.
A. easy
B. possible
C. likely
D. difficult
12. They have the capability to destroy the enemy in a few days.
A. possibility
B. necessity
C. ability
D. probability
13. Jack eventually overtook the last truck.
A. hit
B. passed
C. reached
D. led
14. Sometimes it is advisable to book hotels in advance.
A. possible
B. profitable
C. easy
D. wise
15. Obviously these people can be relied on in a crisis.
A. lived on
B. depended on
C. believed in
D. joined in
参考答案：1.D 2.A 3.C 4.C 5.D 6.A 7.B 8.C 9.C 10.D11. C 12. C 13. B 14. D 15. B