【多选题】下列选项中哪些是管理者为技术活动分配资源过程中存在的难题()
B.
技术投资对公司特有的无形资产的潜在贡献评估困难
【多选题】下列哪些成本是管理者的决策可以改变和影响的?
【单选题】为了确保积极有效的交流,管理者应该使用下列哪些技术?
【单选题】Whoever invented______ wheel is believed to have made______ most useful invention in______ history.
【单选题】What made the history lecture so interesting?
A.
It was about American women instead of the American revolution,
B.
The professor talked about a trip and he was challenged.
C.
The professor made a good speech.
D.
The professor was challenged by a student by his lack of knowledge of female historical character.
【单选题】_______, women have changed history in terms of the contributions they have made.
【单选题】Obama made _______ history by being elected as ________ first black president of the US.
【判断题】示范面的转换是指团操或者健美操教学中,在音乐与动作不停的情况下,镜面示范、背面示范和侧面示范相互转换的过程。