在短期中，当边际成本曲线位于平均成本曲线上方时（） ["平均成本是递减的","平均成本是递增的","边际成本是递减的","边际成本保持不变"]
数值修约的目的？
小D在账户层级设置的每日预算为250元，在推广计划层级设置的每日预算为150元，且此账户只有这一个计划处于有效状态，则实际每日花费可能为：（） ["250元","400元","275元","165元"]
恢复指数
What is wrong with the following code？（） class MyException extends Exception {} public class Qb4ab { public void foo（） { try { bar（）； } finally { baz（）； } catch （MyException e） {} } public void bar（） throws MyException { throw new MyException（）； } public void baz（） throws RuntimeException { throw new RuntimeException（）； } } ["Since the method foo（） does not catch the exception generated by the method baz（）， it must declare the RuntimeException in its throws clause.","A try block cannot be followed by both a catch and a finally block.","An empty catch block is not allowed.","A catch block cannot follow a finally block.","A finally block must always follow one or more catch blocks."]
图像空间算法
