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【单选题】
某工厂采用电解法处理含铬废水,耐酸电解槽用铁板作阴、阳极,槽中含铬废水,原理示意图如下,下列说法不正确的是
A.
A为电源正极
B.
阳极区溶液中发生的氧化还原反应为Cr 2 O 7 2- +6Fe 2 + +14H + =2Cr 3 + +6Fe 3 + +7H 2 O
C.
阴极区附近溶液pH降低
D.
若不考虑气体的溶解,当收集到H 2 13.44 L(标准状况)时,有0.1 mol Cr 2 O 7 2- 被还原
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【单选题】Telecommunications analysts predict that ____ will be the largest market for mobile gambling soon.
A.
Europe
B.
Asia
C.
South Korea
D.
Japan
【单选题】---The 2010 World Expo (世博会) which will last 184 days will be held in Shanghai on May 1 st . --- ________ exciting news! We shall try our best to support it.
A.
How
B.
What
C.
How an
D.
What an
【单选题】In a telecommunications network architecture, a protocol is
A.
a device that handles the switching of voice and data in a local area network.
B.
a standard set of rules and procedures for control of communications in a network.
C.
a communications service for microcomputer users.
D.
the main computer in a telecommunications network.
【单选题】墨家提倡“察色修身”“以身戴行”,反映的是中华民族( )优良道德传统。
A.
追求精神境界,把道德理想的实现看成是一种高层次的需要
B.
重视道德践履,强调修养的重要性,倡导道德主体要在完善自身中发挥能动作用
C.
讲求谦敬礼让,强调克骄防矜
D.
倡导言行一致,强调恪守诚信
【简答题】We are living in the age of a telecommunications revolution. In order to keep from getting (1) , many developing countries are an intensive effort to strengthen their telecommunications infrast...
【单选题】Telecommunications is just one of the means by which people communicate and, as such, we need to look at telecommunications and any other communications technologies within the wider context of human ...
A.
By asking people to answer questions orally.
B.
By asking people to fill in various question forms.
C.
By making people use instruments of everyday communication.
D.
By watching people using information technology.
【简答题】Mobile telecommunications ________ is expected to double in Shanghai this year as a result of a contract signed between the two companies. A) capacity B) potential C) possession D) impact
【单选题】墨家提倡“察色修身”“以身戴行”, 反映的是中华民族( )优良道德传统 
A.
追求精神境界,把道德理想的实现看成是一种高层次的需要
B.
重视道德践履,强调修养的重要性,倡导道德主体要在完善自身中发挥自己的能动作用
C.
讲求谦敬礼让,强调克骄防矜
D.
倡导言行一致,强调恪守诚信
【简答题】We are living in the age of a telecommunications revolution. In order to keep from getting (1) , many developing countries are an intensive effort to strengthen their telecommunications infrast...
【简答题】A.Telecommunications. B.Soccer. C.War. D.Watching television.
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