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问题 单项选择题

下列关于肝病血清蛋白检查的叙述，正确的是

A．肝硬化时球蛋白呈中度或高度减少
B．急性肝脏损害早期常有白蛋白减少
C．慢性肝病如白蛋白持续低于25g/L，A/G明显倒置，则预后较差
D．慢性肝病如白蛋白低于35g/L，易出现腹水
E．慢性肝实质损害较重时，若A/G倒置，则总蛋白减少

答案

参考答案：C

多项选择题

会计职业道德教育的主要途径有()。

A.会计学历教育

B.会计人员继续教育

C.获救教育

D.自我教育与修养
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单项选择题 共用题干题

● A glue that holds the whole Internet together is the network layer protocol, (71)．Unlike most older network layer protocols, it was designed from the beginning with internetworking in mind．Its job is to provide a (72) way to transport datagrams from source to destination，without regard to whether these machines are on the same network or whether there are other networks in between them． Communication in the Internet works as follows．The (73) layer takes data streams and breaks them up into datagrams．Each datagram is transmitted through the Internet, possibly being fragmented into smaller units as it goes．When all the pieces finally get to the destination machine, they are reassembled by the (74) layer into the original datagram．This datagram is then handed to the transport layer, which inserts it into the receiving process’ input stream． An IP datagram consists of a header part and a text part．The header has a (75) part and a variable length optional part．

空白处（74）应选择（）

A.data link 

B.transport 

C.network 

D.application
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