PLC的开关量输入模块单元是( )
AI
B. AQ
C. DI
DQ
一个字节由8个位数据组组成,例如输入字节IB0由( )组成。
A. I0.0~II0.7
B. I0.0~I0.3
C. I1.0~I1.7
相邻的两个字节组成一个字,其中MW2是由( )组成。
A.MB1高位字节和MB2低位字节
B. MB2高位字节和MB1低位字节
C. MB2高位字节和MB3 低位字节
D. MB3高位字节和MB2低位字节
Complete these sentences with no sooner (than), not only (but also), never or not even.1) No sooner do you arrive _________ you find yourself in a world of peace and relaxation.2) ___________ with a significant pay rise will theworkers consider returning to work. The company must improve the working conditions.3) ________________ in my life have I experienced suchrudeness and appalling service in a restaurant.4) ___________ has inflation increased under the present government, ___________unemployment is rising.