【单选题】The on-line diary blog is a cultural _____, perhaps as essential as usual books we read.
【判断题】The blog is perhaps one of the first forms of new media that the general public became familiar with.
【单选题】成人插胃管时 , 测量长度的正确方法是 :
【单选题】谁提出“货币天然不是黄金,而黄金天然就是货币”?()
【单选题】“货币天然不是黄金,而黄金天然就是货币”,这句话出自()。
【单选题】电动机顺序启动梯形图,如图1-3-19所给指令正确的是( )。