TW42UZ-B1车站电台控制盒的13.8V电源用12芯电缆的()提供。
A、1脚
B、2脚
C、3脚
D、4脚
参考答案:A
He _______to get some cards for his birthday,but none arrived. [ ]
A. promised
B. expected
C. thought
D. supposed
A.I= ,从上向下
B.I= ,从上向下
C.I= ,从下向上
D.I= ,从下向上