下列关于队列的叙述中正确的是______。A．在队列中只能插入数据 B．在队列中只能

价格监测分析的基本形式不包括（）。

A.定期价格监测分析制度

B.典型调查或抽样调查

C.应急监测

D.预警监测

1947年3月，国民党集中25万兵力，向哪个解放区发动重点进攻  [ ]

A．陕甘宁    

B．山东  

C．晋察冀    

D．鄂豫皖

DOM is a platform- and language- （） API that allows programs and scripts to dynamically access and update the content, structure and style of WWW documents (currently, definitions for HTML and XML documents are part of the specification). The document can be further processed and the results of that processing can be incorporated back into the presented （） . DOM is a （） -based API to documents, which requires the whole document to be represented in （） while processing it. A simpler alternative to DOM is the event-based SAX, which can be used to process very large （） documents that do not fit into the memory available for processing.

The document can be further processed and the results of that processing can be incorporated back into the presented（）.

A．text

B．image

C．page

D．graphic

下列叙述中，不是关于压力容器验收标准的是（）。

A、验收时出厂资料上的有关技术参数应与压力容器购置申请书相符

B、验收时有关参加验收的人员应逐项认真验收，并对验收质量负责

C、各部门应在验收表上出具验收意见

D、当地劳动部门须参加并出具验收意见

在窗体上画一个名称为Labell的标签，然后编写如下事件过程。
Private Sub Form_Click( )
Dim arr(10, I0) As Integer
Dim i As Integer, j As Integer
For i = 2 To 4
For j =2 To 4
arr(i,j) =i*j
Next
Next
Labell. Caption = Str(arr(2,2) + arr(3,3) )
End Sub
程序运行后，单击窗体，在标签中显示的内容是

A) 12
B) 13
C) 14
D) 15