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问题 单项选择题

属于糖尿病微血管病变的是（）

A.冠心病

B.脑血管病

C.糖尿病胃轻瘫

D.糖尿病眼病

E.下肢坏疽

答案

参考答案：D

解析：糖尿病眼病为眼底微血管病变引起视网膜病变，是糖尿病慢性并发症中微血管病变。

单项选择题

（）是C类物资管理策略。

A.每件商品皆做编号

B.与供应商协调，尽可能缩短前置时间

C.货品放至易出入库位置

D.安全库存量适当，避免库存短缺
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单项选择题

TCP/IP (1) layer protocols provide services to the application (2) running on a computer. The application layer does not define the application itself, but rather it defines (3) that applications need — like the ability to transfer a file in the case of HTTE In short, the application layer provides an (4) between software running on a computer and the network itself. The TCP/IP application layer includes a relatively large number of protocols, with HTTP being only one of those. The TCP/IP (5) layer consists of two main protocol options — the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).

3（）

A.services 

B.processes 

C.applications 

D.address
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