本病最常见的并发症是
A. 肺水肿
B. 脑水肿
C. 感染
D. 酸中毒
E. 低血钾
在Excel中，对工作表内容进行编辑时，首先应当（）。
A. 单击“格式”菜单中的“单元格”
B. 单击“编辑”菜单中的“填充”命令
C. 单击“插入”菜单中的“单元格”命令
D. 单击某一单元格为活动单元格或选定某一单元格区域
What does Carl think about taking part in the Olympic Games？
A. He has decided that it is time for him to leave.
B. He has lost interest in the Games.
C. He thinks he is too old for the Games.
D. He will take part in one more Olympic Games.
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