企业、事业单位、机关工会委员会的（）的工资、奖励、补贴，由（）支付。社会保险和其他福

肝中含量最少的酶是（）。

A.天冬氨酸氨基转移酶

B.乳酸脱氢酶

C.肌酸激酶

D.丙氨酸氨基转移酶

E.γ-谷氨酰转移酶

单位换算：

（1）45g=_____kg=_____mg．

（2）80m=_____nm=_____km．

（3）100ml=_____dm³．

甲、乙签订了一份购货合同，甲向乙背书转让了5万元的汇票作为价款，后乙又将该汇票背书转让给丙。如果乙在履行合同之前，甲、乙协商解除合同。则甲的下列行为中，符合票据法律制度规定的是( )。

A．请求乙返还汇票

B．请求乙返还5万元的价款

C．请求丙返还汇票

D．请求付款人停止支付汇票上的款项

Flow control is a function that prevents network congestion by ensuring that (66) do not over-whelm (67) with data. There are three commonly used methods for handling network congestion. (68) is used by network devices to temporarily store bursts of excess data in memory until they can be processed. (69) are used by receiving devices to help prevent their buffers from overflowing. (70) is a flow-control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.

A．Buffer

B．Source-quench messages

C．window

D．Windowing

E．Buffering

按信息的( )分类，流通信息可划分为决策信息、控制信息和业务信息。

A．来源
B．稳定程度
C．作用
D．内容