当温度升高或降低时,电容器的电容量会随着改变。()
参考答案:对
设函数f(x)=|log2x|,则f(x)在区间(m-2,2m)内有定义且不是单调函数的充要条件是______.
He never does anything wrong. He should be the ________ to blame.
A.least
B.last
C.worst
D.best