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问题 单项选择题

放置宫内节育器术后注意事项正确的是()

A．休息2周

B．1月内忌性交及盆浴

C．3月内易脱落，故3月内每次经期或大便时注意有无脱落

D．3月后不需再随访

E．若放置后无不良反应可携带终生

答案

参考答案：C

选择题

在测电阻实验，如图所示，a、b电表分别表示（　　）

A．a是电流表，b是电压表

B．a是电压表，b是电流表

C．a、b都是电压表

D．a、b都是电流表
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单项选择题

With hundreds of millions of electronic transactions taking place daily, businesses and organizations have a p incentive to protect the (66) of the data exchanged in this manner, and to positively ensure the identities of those involved in the (67) . This has led to an industry-wide quest for better, more secure methods for controlling IT operations, and for deploying p security (68) 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. (69) that can be incorporated in the hardware design of client computers. The principle of encapsulating core security capabilities in (70) 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
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