由于内部控制及审计测试的固有限制，注册会计师无法发现错误，舞弊与违反法规行为。 (

根据首字母填空。

     We are all busy talking about and using the Internet (互联网), but how many of us know the h__1__

of the Internet?

     Many people are surprised when they find that the I__2__ was set up in the 1960s. At that time,

computers were large and e__3__ . Computer networks (网络) didn't work well. If one computer in

the network broke down, then the whole network stopped. So a new network system had to be set up.

It should be good e__4__ to be used by many different computers. If part of the network was not

working, information could be sent through a__5__ part. In this way computer network system would

keep on w__6__ all the time.

     At f__7__ the Internet was only used by the government, but, in the early 1970s, universities, hospitals and banks were allowed to use it too. H__8__, computers were still very expensive and the Internet

was d__9__ to use. By the start of the 1990s, c__10__ became cheaper and easier to use. Scientists

had also developed software that made 'surfing' (浏览) the Internet more convenient.

     Today it is easy to get on-line (上网) and it is said that m__11__ of people use the Internet everyday. Sending e-mail is more and more p__12__ among students.

The Internet has now become one of the most important parts of people's life.

男性患者，33岁，以"头痛、呕吐1小时"为主诉来诊，伴一过性意识不清，醒后颈枕部痛。查体：左侧眼睑下垂、左侧瞳孔大，脑膜刺激征阳性。诊断考虑为（）。

A.化脓性脑膜炎

B.脑出血、脑疝

C.小脑出血

D.脑干出血

E.SAH

热闭心包与内闭外脱的区别．关键在于前者无（）

A.昏愤不语

B.肢厥

C.气短

D.汗多、气短促、脉细无力

间接打击

试述乙型肝炎抗原抗体系统及其检测的临床意义。