立式金属油罐的容积检定精度高达()
A.0.05%~0.1%
B.0.1%~0.2%
C.0.2%~0.5%
D.1.0%~2.0%
参考答案:B
我国高血压引起的死亡原因最常见于
A.尿毒症
B.心力衰竭
C.脑血管意外
D.高血压危象
E.伴发冠心病
The police came in __________ the thief attempted to rush out of the store.
A.at the moment
B.the moment
C.for the moment
D.at any moment