健康成年男性静息状态下,心输出量约为()
A.2~3L/min
B.4~6L/min
C.7~8L/min
D.9~10L/min
E.11~2L/min
参考答案:B
I usually go shopping in that supermarket, because their prices are _____.
A.expensive
B.cheap
C.high
D.low
下列有关Java语言的叙述中,正确的是( )。
A.Java是不区分大小写的
B.源文件名与public类型的类名必须相同
C.源文件其扩展名为.jar
D.源文件中public类的数目不限