行政决策的基本特征行政决策的基本特征有（） ["行政决策主体具有确定性","行政决策的客体是行政事务","行政决策的目的是实现公共利益","行政决策的进行受到严格的法律约束","行政决策的结果具有强制性和普遍约束力"]
A sweep oar is an oar that is（）. ["generally shorter than the others and is used to steer with","is longer than the others and is used as the stroke oar","is raised in the bow of the boat for the steersman to steer by","longer than the others used for steering"]
教学计划从内容上看主要由哪几部分构成？
行政控制的过程包括（） ["控制标准","衡量绩效","偏差分析","纠正偏差"]
（）的原理是通过检索程序不断地主动获取无数互联网站点中的信息，对信息按照一定的规则进行索引和存储，并以匹配关键词。 ["A.目录分类式","B.关键词","C.互动式","D.全文检索式"]
简述病害防治的四道防线。
