《消防应急灯具》中规定，使用荧光灯为光源的消防应急灯具（）将启辉器接入应急回路
A.应
B.宜
C.不应
参考答案：C
He was beaten by his father because of being naughty. ____________, he became silent.[ ]
A. Since
B. Since then on
C. From that time on
D. From since on
不属于闭合性软组织损伤的有（）。
A.挫伤
B.扭伤
C.肌肉拉伤
D.刺伤
