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【简答题】
指出下列各式中的酸、碱、共轭酸和共轭碱: (1) HNO 3 + H 2 O = H 3 O + +NO 3 - (2)CO 3 2- + H 2 O = HCO 3 - + OH - (3) NH 3 +H 2 S = NH 4 + + HS -
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【单选题】_________ by keeping down costs will Power Data
A.
9. _________ by keeping down costs will Power Data hold its advantage over other companies.  (浙江) A. Only        
B.
Just          
C.
Still              
D.
Yet
【判断题】悬臂式和扶臂式挡土墙不得有露筋和空洞现象。
A.
正确
B.
错误
【多选题】在编制施工进度计划的初始方案后,我们还要根据
A.
)等对施工进度计划进行检查。
B.
合同规定
C.
经济效益
D.
班组人数
E.
施工条件
F.
资金状况
【单选题】by keeping down costs will Power Data hold its advantages over other companies.
A.
Only
B.
Just
C.
Still
D.
Yet
【单选题】我明天上午坐飞机去上海,中午吃完饭就开会,晚上坐火车回北京。 ★我明天:
A.
上午开会
B.
晚上回北京
C.
坐火车去上海
【单选题】___ by keeping down costs will Walmart hold its advantage over other companies.
A.
Only
B.
Just
C.
Still
D.
Yet
【单选题】柏拉图《理想国》中的四种美德是( )。
A.
智慧、勇敢、博学、公正
B.
勇敢、节制、正义、公平
C.
智慧、勇敢、节制、正义
D.
博学、多才、仁爱、礼让
【单选题】by keeping down costs will Power Data hold its advantage over other companies. [     ]
A.
Only
B.
Just
C.
Still
D.
Yet
【简答题】_______ by keeping down costs will Power Data hold its advantage over other companies. A.Only B.Just C.Still D.Yet
【简答题】Only by keeping down costs will the company maintain its advantage over others.
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