并联链接的主站/从站除了各有100个可控制辅助继电器外,还各有()个可控制数据寄存器。
查看答案
并联链接的主站数据寄存器有D490~499
A. 对
B. 错
并联链接的从站制数据寄存器D400~599。
A. 对
B. 错
Who is the first person in the story that the grandmother describes as a "good man"?
A. John Wesley
B. Red Sammy
C. Bailey
D. The Misfit
Where does the family stop first?
A. an old plantation house
B. The Tower
C. a motel
D. a dirt road