Anyone who wants to can call any timepiece a clock,but technically speaking,only_________0ne rings out the time actually deserves the name.
A. whenever
B. whatever
C. whichever
D. wherever
查看答案
过曲线y=2x2-1上一点P(1,1)处的切线的斜率是() (A)4 (B)3 (C)1 (D)-4
函数Y=2x3-6x2+7的单调减区间是() (A)(-∞,0) (B)(0,2) (C)(2,+∞) (D)(-2,4)
答案为:
A. satisfy its need
B. have its use
C. fit its purpose
D. adapt to request
He had gone away on business and would notreturn to the hotel until the next day—should have to wait till_________I couldthank him for the present.
A. afterwards
B. then before
C. then
D. then therefore