圆锥的体积与圆柱的体积比等于1:3.______.(判断对错)
圆锥的体积等于与它等底等高的圆柱体体积的13,
即等底等高的圆锥体的体积与圆柱体的体积的比等于1:3.
故答案为:×.
Although it seemed to be ________ painful experience, he still found it ________ fun.[ ]
A. a; /
B. /; a
C. a; the
D. a; a
串联电容器的等效电容量总是大于起重任意一个电容器的电容量。