【单选题】一些商家为了推销商品,经常以 “买一送一”的广告招徕顾客。以下哪项最能说明这种推销方式的实质?
【单选题】The is the main shaft of an engine which, in conjunction with connecting rods, changes reciprocating motion of piston into rotary motion.
【判断题】发球区宽9米,位置在端线后(不包括端线)
【单选题】main shaft of an engine which, in conjunction with connecting rods, changes reciprocating motion of piston into rotary motion
【单选题】1 Main shaft of an engine which,in conjunction with connecting rods,changes reciprocating motion of piston into rotary motion
【单选题】下列关于异常类型的说明中错误的是( )。
A.
Throwable类定义了Java语言中所有的异常情况
B.
Exception是用户程序不能够捕获到,只能由系统捕获到的异常情况
D.
RuntimeException是程序运行时产生的,由JVM进行处理
【单选题】Error,Exception,RuntimeException的父类是()
B.
Exception,Throwable,Exception
C.
Exception,Throwable,Error
D.
Throwable,Throwable,Exception
【判断题】Exception是Throwable的父类。