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【单选题】
使用( )方法不可以进入代码窗口编写代码。A.
执行“文件”菜单中的打开命令
B.
在窗体上鼠标右键，在弹出的快捷菜单中选择“查看代码”命令
C.
双击窗体设计器的任何地方
D.
执行“视图”菜单中的“代码窗口”命令"
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【单选题】You probably know about the Titanic, but it was actually just one of three state-of-the-art (先进的) ocean ships back in the day. The Olympic class ships were built by the Harland & Wolff ship makers in ...
A.
They performed marvellously on the sea .
B.
They could all break the ice in their way .
C.
They all experienced terrible misfortunes .
D.
They were models of modern engineering .
【单选题】Northern Ireland is the smallest of the four nations, but is quite well known in the world for __________?
A.
I t most famous landmark, the Giant Causeway
B.
I ts rich cultural life
C.
I ts low living standard
D.
I ts endless political problems
【简答题】（6分）现有HCl、NaCl、NaOH、Na 2 CO 3 等溶液。若进行下列实验，请判断可能的溶液组合。 （1）两两组合进行实验： ① 组合后无明显现象，但发生反应的组合是____________； 写出该反应的化学方程式为______________________。 ② 组合后有明显现象，该现象是__________________。 反应的化学方程式为___________________...
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