装卸电缆时,应()起吊。
A.将钢丝绳直接穿入电缆盘内孔
B.在缆电盘中心孔穿进一钢轴
C.直接推下
参考答案:B
(2013·高考湖南卷)________warm at night,I would fill the woodstove,then set my alarm clock for midnight so I could refill it.
A.Staying
B.Stayed
C.To stay
D.Stay
可以说明曾发生过心肌梗死的心电图改变是()
A.V3-V5的Q波S>0.04s
B.冠状T出现
C.ST段上抬
D.电轴显著左偏
E.QRS波群低电压