头皮裂伤时，在未使用抗生素的情况下，清创缝合时间不得超过( )

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问题单项选择题

A．8小时
B．12小时
C．16小时
D．20小时
E．24小时

答案

参考答案：E

解析：[解释点评] 注意“数值”为常考点，提醒大家注意。(2001年考试真题)

单项选择题 A1型题

下列不属于健康危险度评价的内容的是（）

A.危害鉴定

B.暴露评价

C.污染来源鉴定

D.危险度特征分析

E.剂量－反应关系评定

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单项选择题

The metric assigned to each network depends on the type of protocol. Some simple protocol, like RIP, treats each network as equals. The ______ of passing through each network is the same; it is one ______ count. So if a packet passes through 10 network to reach the destination, the total cost is 10 hop counts. Other protocols, such as OSPF, allow the administrator to assign a cost for passing through a network based on the type of service required.A ______ through a network can have different costs (metrics). For example, if maximum ______ is the desired type of service, a satellite link has a lower metric than a fiber-optic line. On the other hand, if minimum ______ is the desired type of service, a fiber-optic line has a lower metric than a satellite line. OSPF allow each router to have several routing table based on the required type of service.

A. costB. link-stateC. connection D. diagram

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