27. Eating too much fat can______ heart disease and cause high blood pressure.
A. result from B. contribute to C. attend to D. lead in
26. You said boys were cleverer than girls. That is _______ I disagree.
A. what B. where C. which D. why
25. --- Nancy is not coming tonight. --- But she______!
A. promises B. promised C. will promise D. had promised
24. The bell______ the end of the period rang and we had to stop our discussion.
A. indicating B. indicated C. to be indicated D. being indicated
23. ---I hear John refused to tell the truth and was taken away by the police.
--- Where did you _______?
A. pick that up B. put that up C. make that up D. take that up
22. ---Are all telephone numbers_______ in the directory? --- Yes, all ________ Jane’s.
A. listed; including B. listed; included
C. including; includes D. being listed; being included
第一节、单项选择(15分)
21._____ we were worried about was _______ they could manage to control the pollution.
A. That; how B. That; whether C. What; that D. What; whether
22、已知定义在[1，4]上的函数f(x)=x2-2bx+(b≥1)，
(I)求f(x)的最小值g(b)；
(b≥1)，