赤壁鏖兵（音同熬）
What are three characteristics that buyers of Cisco Small Business routers typically look for？（） [" basic security options"," simple network configuration"," advanced network configuration"," integrated solutions"," advanced security options"," point product"]
为避免切削时在工件上产生刀痕，刀具应沿（）引入或圆弧方式切入。 ["切向","垂直","反向","正向"]
安全色是传递安全信息含义的颜色。国标中安全色的颜色表征规定包括红、蓝、黄、绿四种颜色。红色的安全信息含义为（）。 ["禁止、危险以及消防设备的意思","醒人们注意","给人们提供允许、安全的信息","指令，要求人们必须遵守的规定"]
下列选项中不属于销售退回、折扣与折让的业务流程的是（）。 ["接到客户订单","更新应收账款账户","批准请求","收到退货"]
一年生杂草
