财政经济管理职能主要方式是（）、管理性税收、矫正性补贴.
岩巷综掘机掘进机及链条（或钢丝绳）两旁、前后（）m范围内严禁有人，以防链条（或钢丝绳）弹起伤人。
A. 2
B. 3
C. 4
D. 5
A towing light（）.
A. flashes at regular intervals of 50-70 flashes per minute
B. is yellow in color
C. shows an unbroken light over an arc of the horizon of not less than 180°nor more than 225°
D. All of the above
微信支付 
支付宝支付