笔算下列各题． 336×4=207×5=270×8=

下列哪种测定疲劳的方法属于教育心理学方法（）。

A.剂量作业试验

B.短时记忆量测定

C.视觉反应时测定

D.明视持久度测定

E.闪光融合临界频率测定

意大利物理学家伽利略在《两种新科学的对话》一书中，详细研究了落体运动，他所运用的方法是

A．假设－观察－逻辑推理（包括数学推演）－实验检验－修正推广

B．观察－假设－逻辑推理（包括数学推演）－实验检验－修正推广

C．逻辑推理（包括数学推演）－假设－观察－实验检验－修正推广

D．逻辑推理（包括数学推演）－观察－假设－实验检验－修正推广

阐述存款类金融机构的性质与职能。

下列哪项是肝硬化门脉高压症的表现之一()

A.黄疸

B.出血倾向

C.恶心、呕吐

D.静脉曲张

E.疲乏无力

With hundreds of millions of electronic (161) taking place daily, businesses and organizations have a p incentive to protect the (162) of the data exchanged in this manner, and to positively ensure the (163) of those involved in the transactions. This has led to an industry-wide quest for better, more secure methods for controlling IT operations, and for deploying p security mechanisms deeply and broadly throughout networked infrastructures and client devices. One of the more successful concepts to engage the imaginations of the security community has been the development of standards-based security (164 ) that can be incorporated in the hardware design of client computers. The principle of encapsulating core security capabilities in (165 ) and integrating security provisions at the deepest levels of the machine operation has significant benefits for both users and those responsible for securing IT operations.

A．operation

B．completeness

C．integrity

D．interchange