【判断题】预先警报的鸣放规律是,一长音,鸣放 3 分钟 。()
【单选题】工业机器人完成工具坐标系定义之后,可以使用下列哪种运动模式来进行测试和检验坐标系的准确度( )
【单选题】关于防空警报的说法,错误的是 ()
A.
预先警报的鸣放规律是,鸣放36秒,停24秒,反复3次
B.
防空警报试鸣放的顺序为预先警报、空袭警报、解除警报
【单选题】Her grandfather goes out for a walk after supper , ------------- ?
B.
doesn't her grandfather
【单选题】关于防空警报的说法,正确的有
B.
空袭警报的鸣放规律是,鸣放6秒,停6秒,反复15次
D.
防空警报试鸣放的顺序为空袭警报、预先警报、解除警报
【单选题】When her grandfather let go of her face, Annabel put her head down on the rug, because ______.
D.
she was angry with her grandfather