西餐用的白葡萄酒杯一般容量为（）ML，红葡萄酒杯卫（）ML。

关于温度、热量和内能，下列说法正确的是

A．温度高的物体内能一定大

B．物体的温度越高，所含的热量越多

C．内能少的物体也可能将能量传给内能多的物体

D．物体的内能与温度有关，只要温度不变，物体的内能就一定不变

冰醋酸中加水稀释时，溶液中的氢离子浓度随加入的水量变化的下列各曲线图中，正确的是[ ]

A.

B.

C.

D.

乙是一家水利工程承包单位，负责甲单位的水库除险加固作业，丙是此次工程的施工监理单位，丁和戊是乙的分包单位。根据《水利水电施工企业安全生产标准化评审标准（试行稿）》要求，乙应该对（）的安全管理人员、特种作业人员、岗位操作人员的持证上岗情况应进行监督检查，需持证上岗的岗位，不得安排无证人员上岗作业。

A.甲和丁

B.丙和丁

C.丁和戊

D.甲和戊

Networks can be interconnected by different devices in the physical layer networks can be connected by (71) or hubs．which just move the bits from one network to an identical network．One layer up we find bridges and switches which operate at data link layer．They can accept (72) ，examine the MAC address and forward the frames to a different network while doing minor protocol translation in the process in me network layer，we have routers that can connect two networks，If two networks have (73) network layer，the router may be able to translate betweenthe packer formats．In the transport layer we find transport gateway，which can interface between two transport connections Finally，in the application layer，application gateways translate message (74) ．As an example，gateways between Internet e-mail and X，400 e-mail must (75) thee-mail message and change various header fields．

A．syntax

B．semantics

C．language

D．format