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问题 多项选择题

下列有关人防规划的表述，正确的是( )。

A．人防工程总量以城市总人口为基数，按每人1.5m2估算

B．在成片居住区内应按总建筑面积的2%设置防空工程

C．人员掩蔽所距人员工作生活地点不宜小于200m

D．人防工程设施应避开宜遭到袭击的重要军事目标

E．人防工程作为专用工程，任何时候不得改变用途

答案

参考答案：B,D

填空题



Most taxpayers have had enough income tax collected by their employers during the year. So they do not (36) any money. In fact, most Americans get some money back. Last year, the Internal Revenue Service returned at least some money to more than (37) Americans paying individual income tax.
The United States has what is called (38) . Tax rates increase as (39) increase. This year, people earning more than (40) are taxed at the highest rate.
Earnings above that amount are taxed at (41) . Earnings below that amount are taxed at lower rates.
Individuals who earn less than (42) pay no income tax. But they do pay (43) , Medicare and other taxes.
There are many different ways for people and businesses to reduce their (44) Most homeowners, for example, can reduce their taxes a little by reporting to the I.R.S. the interest they pay (45) . This is called a (46)
In 2004, personal income taxes provided the government with most of its money: (47) of the budget. Social security and other (48) taxes provided (49) . Other forms of income include (50) , money borrowed to (51) and special taxes on (52) .
But income from taxes did not provide enough to pay for government spending. The I.R.S. says the budget deficit for 2004 was about (53) dollars.
Preparing tax documents can be complex. The I.R.S. estimates that taxpayers need an average of about 13 hours to prepare tax documents. And that is just for the basic tax form. For business, the I.R.S. estimates an (54) needs more than 50 hours. This is why a lot of Americans pay (55) to complete their tax documents for them.
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单项选择题

在窗体上画一个名为List1的列表框、一个名为Label1的标签。列表框中显示若干城市的名称。当单击列表框中的某个城市名时，在标签中显示选中城市的名称。下列能正确实现上述功能的程序是______。

A) Private Sub List1_Click()
Label1. Caption=List1. ListIndex
End Sub
B) Private Sub List1_Click()
Label1. Name=List1. ListIndex
End Sub
C) Private Sub List1_Click()
Label1. Name=List1. Text
End Sub
D) Private Sub List1_Click()
Label1. Caption=List1. Text
End Sub
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