二尖瓣狭窄最早出现的症状是A.水肿B.咯血C.劳力性呼吸困难D.咳嗽E.端坐呼吸

题型:单项选择题

问题:

二尖瓣狭窄最早出现的症状是

A.水肿
B.咯血
C.劳力性呼吸困难
D.咳嗽
E.端坐呼吸

考点:护士护理考试护师基础知识初级护师基础知识
题型:单项选择题

产后出血是指胎儿娩出后24h内 * * 出血量超过

A.300ml
B.350ml
C.400ml
D.450ml
E.500ml

题型:单项选择题

“从道不从上”是新形势下要求领导干部必须具备的品格。“从道”最重要的是正确理解并创造性地执行中央精神和上级指示,但绝不能囫囵吞枣、照抄照搬,只有加以认真领会,然后创造性地贯彻执行,这才是真正的“从道”。做到“从道”就必须()

A.完全根据自己的实际情况决定工作方针

B.培养自己的科学思维方法,把握事物的本质和规律

C.不折不扣地执行中央精神和上级指示

D.因地制宜地执行中央精神和上级指示

题型:单项选择题

气动单元组合仪表有什么优点?

题型:单项选择题

With hundreds of millions of electronic()taking place daily, businesses and organizations have a p incentive to protect the()of the data exchanged in this manner, and to positively ensure the()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()that can be incorporated in the hardware design of client computers. The principle of encapsulating core security capabilities in()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.

The principle of encapsulating core security capabilities in()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.software

B.form

C.computer

D.silicon

题型:单项选择题

下面有关计算机操作系统的叙述中,不正确的是______。

A.操作系统属于系统软件

B.操作系统只负责管理内存储器,而不管理外存储器

C.UNIX是一种操作系统

D.计算机的处理器、内存等硬件资源也由操作系统管理

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