电源线路超负荷使用,可能导致什么后果?
参考答案:可能导致火灾,造成人员伤亡或者设备损坏。
The man was determined to deal with the problem on his own and turned down ______ of help. [ ]
A. invitations
B. offers
C. applications
D. comments
月经失调是指月经周期提前或推迟多少天以上( )
A.3天以上
B.5天以上
C.7天以上
D.8天以上
E.10天以上