试题与答案

A certain encyclopedia has 20 volumes, eac

题型:单项选择题

题目:

A certain encyclopedia has 20 volumes, each of which is ω inches wide, k inches long and t inches thick. If all of the volumes are to be tightly packaged in one rectangular box that is k inches wide and ω inches deep inside, could the inside length of the box be less than 35 inches.()
(1)t=1.5
(2)ω=9 and k=12

A.条件(1)充分,但条件(2)不充分.

B.条件(2)充分,但条件(1)不充分.

C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.

D.条件(1)充分,条件(2)也充分.

E.条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.

答案:

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