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问题 单项选择题

为了防止溴化锂吸收式机组在运行过程中溶液产生结晶，通常在发生器浓溶液出口端设有（）装置。

A、自动稀释

B、自动融晶

C、自动加热

答案

参考答案：B

选择题

已知y=(m+1)xm-2是反比例函数，则函数图象在[ ]

A.   第一、三象限　

B.   第二、四象限　

C.   第一、二象限

D.   第三、四象限

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单项选择题

TCP functions at the Open System Interconnection (OSI) (61) layer, or Layer 4. Its chief responsibility is to ensure (62) end-to-end connectivity. IP, located one layer down, at the OSI network layer, or Layer 3, communicates the addresses of each (63) sender and receiver to the routers along the way. Routers and Layer 3 switches can read IP and other Layer 3 (64) . This information, combined with routing tables and other network intelligence, is all it takes to get (65) the room or around the world via TCP/IP.

A．across

B．up

C．off

D．rid
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