JZl5-44Z电磁继电器吸引线圈的额定电压为（）。
A、110V
B、220V
C、280V
D、380V
参考答案：A
—______ he happy to see his mother?
—Yes, he ______. [ ]
A. Does; does
B. Is; is
C. Does; is
D. Is; does
A．西瓜
B．西红柿
C．菠萝
D．太阳系
