工作票延期手续能办理（）次，如果再延期，应重新签发工作票。
A.1
B.2
C.3
D.4
参考答案：A
I have _____ milk here. Would you like to drink some, Mark?
A few B little C a few D a little
瞳神紧小症首选的外治法是：
A．点激素眼药水
B．涂激素眼药膏
C．涂阿托品膏
D．热敷
E．耳尖放血
