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问题 多项选择题

化脓性骨髓炎死骨形成后，其结果可为()

A．吞噬细胞清除

B．小死骨可被吸收或由窦道排出

C．长期留于骨腔内，致使感染不能痊愈

D．经过爬行替代作用而被新骨形成所替代

E．通过血管再生，又重新复活

答案

参考答案：A, B, C, D

选择题

I hear we will have a _____ holiday in_____.       [ ]

A. two day’s, two days’ time

B. two-day, two day’s time

C. two-day, two days’ time

D. two days, two-day time
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单项选择题

在窗体上画一个名称为CommonDialog1的通用对话框和一个名为Command1的命令按钮。要求实现这样一个功能：单击命令按钮后，打开一个通用对话框用于保存文件，其窗口标题为“保存”，默认文件名为Data，在“文件类型”栏中显示*.txt。下列程序中能实现以上功能的是______ 。

A．Private Sub Command1_ Click() CommonDialog1. FileName = "Data" CommonDialog1. Filter = "All Files｜*.｜* ｜(*.tx｜(*.do｜*.doc" CommonDialog1. Filterlndex = 2 CommonDialog1. DialogTitle = “保存” CommonDialog1. Action = 2 End Sub

B．Private Sub Command1_ Click() CommonDialog1. FileName = "Data" CommonDialog1. Filter = "All Files｜*.*｜(*.tx｜(*.do｜*.doc" CommonDialog1. FilterIndex = 2 CommonDialog1. DialogTitle =“保存” CommonDialog1. Action = 1 End Sub

C．Private Sub Command1_ Click() CommonDialog1. FileName = "Data" CommonDialog1. Filter = "All Files｜*.*｜(*.tx｜(*.do｜*.doc" CommonDialog1. FilterIndex = 1 CommonDialog1. DialogTitle = “保存” CommonDialog1. Action = 1 End Sub

D．Private Sub Command1_ Click() CommonDialog1. FileName = "Data" CommonDialog1. Filter = "All Files｜*.*｜(*.tx｜(*.do｜*.doc" CommonDialog1. FilterIndex = 1 CommonDialog1. DialogTitle = “保存” CommonDialog1. Action = 2 End Sub
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