计划和市场作为调节经济的手段是()。
A. 社会主义经济发展特有的手段
B. 社会化大生产基础上产品经济发展的需要
C. 资本主义经济发展特有的需要
D. 社会化大生产基础上商品经济发展的需要
A fishing vessel is approaching a vessel not under command. Which statement is TRUE? ()
A. The fishing vessel must keep clear of the vessel not under command
B. If the vessel not under command is a power-driven vessel,she must keep clear of the fishing vessel
C. They must exchange whistle signals
D. Both vessels are required to take action to stay clear of each other
综合应用三角测量和三边测量确定各顶点平面位置的测量方法为边角测量。
A. 正确
B. 错误
门卫要依据客人单位有关会客登记制度严格履行(),严禁无关人员入内。
A. 会客程序
B. 登记手续
C. 会谈记录
D. 检查制度