含生药原粉的冲剂
A．红色色标B．黄色色标C．绿色色标D．蓝色色标E．规定标志
参考答案：D
I am afraid that I ______ finish the task in such a short time. Could you help me, please? [ ]
A. can
B. am not able to
C. am going to
机动车在紧急制动时ABS系统会起到什么作用？（）
A．切断动力输出
B．自动控制方向
C．减轻制动惯性
D．防止车轮抱死
