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【单选题】
You are employed as a system administrator at Certkiller.com. You are curretly creating aMicrosoft ASP.NET application using Microsoft .NET Framework v3.5. The code fragment below is written to the application： 1 2 3 The Web page contains a MultiView control named CKView. CKView consists of three child Viewcontrols. Management wants you to make sure that a DropDownList control named TestList canbe used to select the View controls. What should you do？（）A.
A
B.
B
C.
C
D.
D
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举一反三
【单选题】We wondered __________ this afternoon.
A.
whether we would have a meeting
B.
where would we have a meeting
C.
whether we will have a meeting
D.
that we would have a meeting
【简答题】完成反应方程式: (1) Na 2 O 2 + Fe 2 O 3 熔融 (2) Na 2 O 2 + Cr 2 O 3 熔融 (3) Na 2 O 2 + MnO 4 - + H + —— (4) KO 2 + H 2 O —— (5) Na 2 O 2 + CO 2 ——
【单选题】下列离子方程式正确的是
A.
FeCl 3 溶液中滴加过量Na 2 S溶液：2Fe 3+ +S 2— ═2Fe 2+ +S↓
B.
将Na 2 O 2 固体投入H 2 18 O中：2Na 2 O 2 ＋2H 2 18 O＝4Na + ＋4OH － ＋ 18 O 2 ↑
C.
向NH 4 Al(SO 4 ) 2 溶液中滴入Ba(OH) 2 溶液，恰好使SO 4 2— 完全沉淀： NH 4 + ＋Al 3+ ＋2SO 4 2— ＋2Ba 2+ ＋4OH — ＝ Al(OH) 3 ↓＋NH 3 ·H 2 O＋2BaSO 4 ↓
D.
少量CO 2 通入苯酚钠溶液中：2C 6 H 5 O — +CO 2 +H 2 O = 2C 6 H 5 OH+CO 3 2—
【简答题】下列一组有水参与的反应： ①2Na+2H 2 O=2NaOH+H 2 ↑ ②2Na 2 O 2 +2H 2 O=4NaOH+O 2 ↑ ③Na 2 O+H 2 O=2NaOH ④3Fe+4H 2 O 高温 . Fe 3 O 4 +4H 2 ⑤2H 2 O 电解 . 2H 2 ↑+O 2 ↑ ⑥2F 2 +2H 2 O=4HF+O 2 （1）其中不属于氧化还原反应的是______（填编号）． （2）...
【单选题】Thanks for your kind help! We would have ________ lost the game!
A.
or
B.
otherwise
C.
then
D.
Therefore
【单选题】【C14】
A.
as we would now say
B.
as we will now say
C.
as we would now tell
D.
as we will tell
【单选题】用高铁酸钠（Na 2 FeO 4 ）对湖水消毒，是城市饮水处理的新技术。已知反应Fe 2 O 3 + 3Na 2 O 2 ='=2' Na 2 FeO 4 + Na 2 O .下列说法正确的是
A.
Na 2 O 2 既是氧化剂又是还原剂
B.
Na 2 FeO 4 既是氧化产物又是还原产物
C.
3摩尔Na 2 O 2 发生反应，有12摩尔电子转移
D.
在Na 2 FeO 4 中Fe为+4价，只有强氧化性，能消毒杀菌
【简答题】完成反应方程式: (1)Na 2 O 2 + Fe 2 O 3 熔融 (2)Na 2 O 2 + Cr 2 O 3 熔融 (3)
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