单项选择题

IPSec的两种操作模式分别是（）

A．传输模式、安全壳模式
B．安全壳模式、AH模式
C．传输模式、隧道模式
D．隧道模式、ESP模式

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单项选择题

Which one of the following statements is not the feature of International Economic Law?
A、Sovereignty States are important subjects of International Economic Law.
B、Transnational Corporations are not the subject of International Economic Law.
C、International Economic Law is comprehensive in contents.
D、International Economic Law reflects the mutual penetration, integration and supplementation of international law,domestic law, public law and private law.

多项选择题

下列属于临床死亡期的是
A、呼吸停止
B、心跳停止
C、瞳孔散大
D、出现尸冷
E、各种反射消失