创建美术文本正确的方法是() ["用文本工具在“绘图窗口”内单击开始键入","用文本工具在绘图区拖一个区域并开始键入","双击文本工具输入文字"]
《米兰赦令》
Refer to the exhibit. Which statement is true when voice traffic is forwarded on the same VLAN used by the data traffic? () ["The voice traffic cannot be forwarded to the distribution layer.","The voice traffic cannot use 802.1p priority tagging.","Port security cannot be enabled on the switch that is attached to the IP phone.","Quality of service cannot be applied for the voice traffic."]
()成功,标志着第一次国共合作正式形成。 ["国民党一大","国民党二大","共产党四大"]
企业欲进行一项投资,现有两个方案,可供选择,甲方案投资额为120000元,各年的收益额分别为20000元、40000元、80000元、60000元,有效使用期4年;乙方案的投资额为81000元,4年中各年收益额均为30000元,请用投资回收期法计算并评判哪个方案较优?
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