应急照明应采用能瞬时可靠点燃的白炽灯、荧光灯等。( )
参考答案:对
If I find his phone number, I_______ you.
A.tell
B.told
C.will tell
D.have told
密封的齿数一般为()片。
A、4~6
B、6~20
C、4~35