【单选题】下列哪一点不属于地陪导游员带团的服务准备?
【判断题】圆柱度公差带的形状和径向全跳动公差带形状相同,因而能用圆柱度公差代替径向全跳动公差。( ) 对 错
【判断题】径向全跳动的公差带形状和圆柱度的公差带形状相同,因而可以用径向全跳动公差控制圆柱度误差A. 对 B. 错
【简答题】以15m/s的速度行驶的公交车,进站前开始 刹车,经4s后正好停止站点上,它的加速度是 m/ ,刹车后运动的距离是
【单选题】Which of the following topic lists best summarizes the main points of the selection?A. A.--Arts of Native American family --Invitation to White House --Brotherhood of Native American writers
B.
--Native American background as topic for writing --Importance of attending White House poetry event --Vitality of contemporary Native American writing
C.
--Native American writing --Achievements of ancestors --Future of Native Americans
D.
--Writing in 1940s, 1950s, and 1960s --Involvement of Native Americans in many forms of art --Writing about Native American heritage
【单选题】On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?
A.
Deleting unusable addresses through the creation of many subnets.
B.
Combining routes to multiple networks into one supernet.
C.
Reclaiming unused space by means of changing the subnet size.
D.
Calculating the available host addresses in the AS.
【判断题】圆柱度公差的形状和径向全跳动公差带形状相同,因而能有用圆柱度公差代替径向全跳动公差A. 对 B. 错