A、 单调增加
B、 单调减少
C、 为常量
D、 既非单调,也非常量
答案:A
解析:解析:由于f(x)在(0,1)内有f'(x)>0,可知f(x)在(0,1)内单调增加,故应选A.
A、 单调增加
B、 单调减少
C、 为常量
D、 既非单调,也非常量
答案:A
解析:解析:由于f(x)在(0,1)内有f'(x)>0,可知f(x)在(0,1)内单调增加,故应选A.
A. you lock
B. you'll lock
C. for locking
D. locking
解析:解析:make sure+动词原型或句子。
A. what is needed
B. the thing needed
C. that is needed
D. for their needs
A. is coming
B. are coming
C. will coming
D. have come
解析:解析:either...or 谓语动词与临近主语一致。
A. not to take
B. to have not taken
C. not having taken
D. he would not take
解析:解析:(Eric regretted not taking the earlier flight.)
A. the Tire was fixed
B. the tire was fixed by Jack
C. Jack fixed the tire
D. Jack was fixed with the tire
A. profession
B. position
C. career
D. location
解析:解析:profession职业解析:position 职位Career 职业解析:location 方位解析:She chose an academic career.
A. of
B. in
C. for
D. to
解析:解析:remind sb. of sth.