Can you _____me the way to the bakery?[ ]
A. say
B. speak
C. talk
D. tell
答案:D
公路、铁道桥梁上的电缆,应考虑振动、热伸缩以及风力影响下防止金属长期应力疲劳导致断裂的措施,此外还有些什么要求?
正常成人外周血白细胞参考值为()
A.2~7×109/L
B.11~15×109/L
C.11~12×109/L
D.4~10×109/L