按照导致事故的原因,将事故分为()。
A.电气安全技术
B.防止事故发生的安全技术
C.防火防爆安全技术
D.减少事故损失的安全技术
E.起重与机械安全技术
参考答案:B, D
— Do you know who left the lights on all night long?
— It seems that Zhang Peng is ______. He is the last one ______.
A.blaming; leaving
B.blamed; left
C.to blame; to leave
D.to be blamed; to be left
同一ID标识企业客户操作员可同时申请USBKey和E-TOKEN作为网银安全认证工具。()