浇水、施肥
Given that t1 is a reference to a live thread, which is true?（） ["The Thread.sleep() method can take t1 as an argument.","The Object.notify() method can take t1 as an argument.","The Thread.yield() method can take t1 as an argument.","The Thread.setPriority() method can take t1 as an argument.","The Object.notify() method arbitrarily chooses which thread to notify."]
以下选项中哪项不属于注册建造师职业工程规模标准（水利水电工程）工程类别划分主要依据的三个标准。（） ["《水利水电工程等级划分及洪水标准》","《灌溉与排水工程设计规范》","《堤防工程设计规范》","《水利工程建设项目施工监理规范》"]
220KV电压等级，户外无遮栏，裸导线体至地面最小安全净距为（）。 ["3.0米","4.3米","4.5米"]
The operating system file cratab in the Linux platform gets updated whenever you create a new database on the same host machine. What kind of information is stored is stored in this file？（） ["OracleSIDsonly","Oracle homes only","Oracle install timestamp","Oracle inventory pointer files","Oracle database creation timestamp","OracleSIDsand Oracle homes only","OracleSIDs， Oracle homes and flag for auto startu"]
农村经济体制改革的目标是什么？
