保护信息系统安全措施主要从两个方面进行考虑，一是物理安全，二是（）
A.系统安全
B.产品安全
C.逻辑安全
D.功能安全
参考答案：C
The old man said the accident ________ careless driving，so the driver ________ the money for the repairs.[ ]
A. owing to; owed him to
B. was owing to; owed him
C. caused by; owed to him
D. was caused by; owing him
按照《特种设备作业人员监督管理办法》规定：特种设备作业人员考核发证工作由（）以上质量技术监督管理部门分组负责。
A、县级；
B、地市级
