汽车列车急转弯时，无论向左或向右，都应降低车速，低速沿车道的哪个位置通过？
A．内侧
B．中间
C．外侧
D．任意一侧
参考答案：C
---- “Each of the students, working hard at his or her lessons,___to go to university.” -----“So do I.”
A．hope
B．hopes
C．hoping
D．hoped
叙述杂凑函数应该满足的3条性质。
