电动潜油泵井电源电路保护有（）、电压、短路、延时等。 ["相序","欠载","过载","电阻"]
在下列花卉中，最耐干旱的是（） ["水生花卉","多浆多肉类植物","木本花卉","球根花卉"]
往返丈量直线AB的长度分别为126.72m，126.76m，其相对误差为（）。 ["1\/3100","1\/3500","0.003","0"]
A developer is creating a class Book that needs to access class Paper.The Paper class is deployed in a JARnamedmyLib.jar.Whichthree，taken independently，will allow the developer to use the Paper class while compiling the Book class？（） ["The JAR fileis located at$JAVA_HOME\/jre\/classes\/myLib.jar.","The JAR fileis located at$JAVA_HOME\/jre\/lib\/ext\/myLib.jar.","TheJ AR fileis located at\/foo\/myLib.jar and aclasspath environment variable is set that includes \/foo\/myLib.jar\/Paper.class.","The JAR fileis located at\/foo\/myLib.jar and a classpath environment variable is set that includes\/foo\/myLib.jar.","The JAR file is located at\/foo\/myLib.jar and the Book class is compiled using javac-cp\/foo\/myLib.jar\/Paper Book.java.","The JAR file is located at\/foo\/myLib.jar and the Book class is compiled using javac-classpath\/foo\/myLib.jar Book.java."]
西方经济学的分析方法有（） ["边际分析","规范分析","均衡分析","流量分析","总量分析"]
简述幼儿园与小学衔接的原则。
