良好的服务态度是（）重要内容。
（A）自我尊重
（B）优质服务
（C）自我完善
参考答案：B
甲、乙两地相距6千米，某人从甲地步行去乙地，前一半时间平均每分钟行80米，后一半时间平均每分钟行70米。问他走后一半路程用了多少分钟
A．35B．40C．37.5D．42.5
Several theories of evolution had historically preceded that of Charles Darwin, although he expounded upon the stages of development.
A．found fault with
B．explained in detail
C．outlined briefly
D．offered in published form
