新的、修理后的和使用中的量具必须经()后,才允许使用。
参考答案:检定合格
The reason _______ he gave at the conference last week for his being carelessness was funny.
A.why
B.for which
C.that
D.for that
地方各级人民政府应当落实消防工作责任制,对本级和下级人民政府有关部门履行消防安全职责的情况进行监督检查