机动设备管理部门对设备检维修过程的作业安全负责。

迄今为止，最早掌握磨制和钻孔技术的原始人类是[ ]

A、元谋人

B、北京人

C、山顶洞人

D、河姆渡居民

一次函数y=2x-3与x轴的交点坐标是（    ）。

根据短文内容及首字母提示，填上所缺单词，使句意完整

Every mother is great, so is my mother. My mother is a common worker. But I love h___小题1:very much. My mother likes t_小题2:stories. She also likes helping others. So she is popular. She is hard-working like many other mothers. Whenever she is at home or at work, she is always busy. On weekens, she often c__小题3:our house, s_小题4: our house is clean and tidy. And she likes planting f___小题5: ,too. She often says, “Flowers are beautiful. Planting flowers is fun and exciting. Flowers can make the air fresh and keep the house beautiful.”She often gives flowers t_小题6:her friends,too.

She is strict in my study.She oftens to me, “Study is the most important thing to a student. You must study h__小题7: Then you can do more and better for others and yourself.” And she is also kind to me. Every day she takes g___小题8: care of me. She often helps me. When I have trouble, I’d like to ask her for help.

This is my mother. She is the greatest and beautiful mother in my eyes.

在窗体上画一个名称为Text1的文本框和一个名称为Command1的命令按钮，然后编写
如下事件过程：
Private Sub Command1_Click()
Dim array1(10,10)As Integer
Dim i As Integer ,j As Integer
For i=1 To 3
For j=2 To 4
array1(i,j)=i+j
Next j
Next i
Text1.Text=array1(2，3)+array1(3，4)
End Sub
程序运行后，单击命令按钮，在文本框中显示的值是 ______。

A．15

B．14

C．13

D．12

急性肾衰少尿期常见的临床表现应除外（）

A.高钾血症

B.高钙血症

C.高镁血症

D.高血压

E.低钠血症