汽车前端最突出点向前轮引的切线与地面的夹角称为接近角。（）
参考答案：对
______ is permanently stored in the computer and provides a link between the hardware and other programs that run on the PC.
A．Interface
B．Operating system
C．Internet
D．Applicaion software
男，20岁。面部、双手、右前臂烧伤，有大小不一水疱，疼痛。估计该病人的烧伤总面积和深度是（）
A.11%，深Ⅱ°
B.5%，浅Ⅱ°
C.9%，深Ⅱ°
D.11%，浅Ⅱ°
E.5%，深Ⅱ°
