学龄前儿童的餐次安排应为（） A.二餐制，各餐间隔6～7小时 B.三餐制，各餐间隔4

下列仪器使用方法错误的是

A．分液漏斗使用前需检查是否漏液

B．减压过滤实验结束后，应先拆下连接抽气泵和吸滤瓶的橡皮管，然后关闭水龙头

C．坩埚可直接加热，不需要垫石棉网

D．蒸馏时温度计水银球应该插入液面以下

以下不属于Corba OS-OS接口功能模块的为（）。

A.Server OS

B.Notification service

C.TMN

D.PNM

(66) is a one-way function that takes an arbitrarily long piece of plaintext and from it computes a fixed,length bit string. (67) is a protocol that most USENET machines now use it to allow news articles to propagate from one machine to another over a reliable connection. (68) is an approach preferred by cable TV providers. In this solution the fiber terminates at an opt~electrical converter and the final segment is a shared coaxial cable. (69) is a device used to connect two separate network that use different communication protocol. (70) is a digital-to-digital polar encoding method in which the signal level is always either positive or negative.

A．NNI

B．NRZ

C．NAK

D．NVT

临床路径在临床应用中的作用有哪些

对于处理寻找复杂问题的暂时性解决方案的冲突时，宜采用（）的处理方式。

A.回避或撤出

B.竞争或逼迫

C.缓和或调停

D.妥协