计量检定具有()
A．准确性
B．一致性
C．法制性
D．有效性
E．溯源性
参考答案：C
Most girls like to sleep with the lights on, because they are ________ the dark.
A．afraid
B．terrified of
C．interested in
D．sure of
什么叫侵正调车双凭证制度？
