【单选题】Advertising first became important in the late 15th century, __ the merchants of the rapidly growing cities and towns needed a way to tell people __ their goods could be bought.
【简答题】我们对未来充满信心,因为推动和平发展、携手致力民族复兴,是符合民族整体利益、顺应时代潮流、造福两岸同胞、 的正确道路;因为不管经历多少风雨,两岸同胞在民族、文化认同和情感上从未分离;因为尽管数十年来跌宕起伏,但 的,因为两岸是密不可分、休戚与共的命运共同体。
【单选题】In the mid-19th century , the rapidly growing industries were able to _______ hundreds of thousands of immigrant workers who poured into the American cities.
【简答题】如图所示,请你比较此状态下整机重力G(重心在O点)与力F的大小.29.我国自行制造的履带式旋挖井机,用于建筑工地打井作业,它的结构示意图如图1所示.整机由主机B、动力连杆C和支架E及钢丝绳H组成,附属设备由空心钻杆A和钻头D(大小可根据需要更换)组成.旋挖井机工作时,主机通过C将动力传给A,A带动D竖直往下旋挖,并将挖出的泥沙填充到A内;停止旋挖时,C与A完全分离,H的拉力可把A、D和泥沙提到地面...
【单选题】Advertising first became important in the late 15th century, __ the merchants of the rapidly growing cities and towns needed a way to tell people __ their goods could be bought.
【单选题】宝宝不小心将稀饭撒在身上和饭桌上,保育员正确的做法是( )
D.
用干净的湿抹布擦拭衣服,干净的半干抹布擦拭桌面
【单选题】每道工序加工时的操作文件称为()
D.
在任何时候改变原材料的尺寸,形状,相互位置和性质的过程
【单选题】2016年阶段性降低失业保险单位缴费比例时间为()。