WinRAR中,创建自解压文件的后辍名为:()。
A.rar
B.zip
C.exe
D.bat
参考答案:C
— Where are you going this Sunday?
—I’m ________ time with my friends.
A.visiting
B.spending
C.staying
D.making
S7-200系列PLC可用输入()的上升沿产生中断。
A.I0.0~I0.3
B.I0.0~I0.7
C.I1.0~I1.3
D.I1.0~I1.7