通过熔断器和电流脱扣器切断电路达到保护目的电气安全的措施称为（）
A.漏电保护
B.速断保护
C.保护接地
D.电气隔离
参考答案：B
All the organizations concerned have made an urgent __________ to the government, asking for extra funding to help the earthquake victims.[ ]
A. promise
B. assessment
C. appeal
D. adjustment
面神经炎的特点有（）
A.双侧多见
B.女性多见
C.亚急性起病
D.贝尔（Bell）现象阳性
E.常伴展神经麻痹
