美国内战前夕,南北双方在下列哪一问题上矛盾特别尖锐?[ ]
A、领土的扩张问题
B、奴隶制度的存废问题
C、国家的统一问题
D、西部开发问题
答案:B
油泵房内地坪以下的沟、坑比地坪水平处爆炸危险性()。
A、升高1级
B、降低1级
C、一样
D、以上都不对
The "fraud triangle" consist of:()
A. incentive or pressure, opportunity, and attitudes or rationalization.
B. ineffective management, unstable organizational structure, and deficient internal controls.
C. inappropriate ethical standards, violations of laws or regulations, and failing to correct known reportable conditions.