船舶搁浅后,需冲滩或退滩时,在起动主机前应() ["盘车检查","及时补足压缩空气","检查螺旋浆周围障碍物","A和B和C"]
Which of the following livestock has the biggest number in the UK?() ["Beef cattle.","Dairy cattle","Chicken.","Sheep."]
衡量和判断政府行政管理优劣的综合指标是()。 ["行政结果","行政效率","行政成本","行政效能"]
Replicon复制子
在监理合同履行期间,监理人可行使的权力包括()。
区域旅游发展分为哪几种类型,各种类型应如何发展?试分析昆明、广州、天津、深圳等地的区域旅游发展类型及发展旅游业的战略。