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问题 单项选择题

患儿，2个月。出生以来，口腔内反复见白屑样物，拭之不去，形体瘦弱，面白颧红，舌质嫩红。治疗首选

A．百合固金汤

B．归脾汤

C．养胃增液汤

D．金匮肾气丸

E．六味地黄汤

答案

参考答案：E

单项选择题

在进口到单业务交易处理中，以下对“信用证到单付款“操作描述不正确的是（）

A.当需要对外付款时，应进入进口信用证收到单付款业务口进行付款操作

B.付款只能采取逐笔支付的方式付清代收款

C.客户可通过关联的保证金账户付款，付款后系统自动恢复客户的相应金额的授信额度

D.付款交易成功后，系统自动在申报模块里生成一笔对外付款/承兑记录
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单项选择题

For each blank, choose the best answer from the four choices and write down on the answer sheet.

(21) is a six bytes OSI layer 2 address which is burned into every networking device that provides its unique identity for point to point communication.

(22) is a professional organization of individuals in multiple professions which focuses on effort on lower-layer protocols.

(23) functions with two layers of protocols. It can connect networks of different speeds and can be adapted to an environment as it expands.

(24) is the popular LAN developed under the direction of the IEEE802.5.

(25) is the popular backbone technology for transmitting information at high speed with a high level of fault tolerance which is developed under the direction of ANSI.

（23）是（）

A. The hub

B. The bridge

C. The router

D. The proxy
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