直埋蒸汽管道工作管的焊口焊接方法和探伤有何要求? 发布时间:2018-05-02 01:55 │ 来源:www.tikuol.com 题型:问答题 简答题 问题: 直埋蒸汽管道工作管的焊口焊接方法和探伤有何要求?
题型:问答题 简答题 在窗体中添加命令按钮cmd,并编写如下程序: Funtion panduan(x As Integer,y As Integer) As Integer panduan=IIF(x>y,x,y) End Function Private Sub cmd_click() Dim a As Integer,b As Integer a=4 b=7 MsgBox panduan( a, b) End Sub 打开窗体单击命令按钮,消息框中输出的结果为 【10】 。 查看答案
题型:问答题 简答题 (本小题满分12分)已知抛物线y2=mx的焦点到准线距离为1,且抛物线开口向右.(Ⅰ)求m的值;(Ⅱ)P是抛物线y2=mx上的动点,点B,C在y轴上,圆(x-1)2+y2=1内切于△PBC,求△PBC面积的最小值. 查看答案
题型:问答题 简答题 用方框中所给单词的适当形式填空,每词限用一次(每空一词)。sheep, slow, listen, famous, first1. The story Snow White is exciting and children enjoy _____ to it again and again. 2. The teacher speaks _____ to the older students so they can always hear clearly. 3. In Australia, you can see lots of _____ in the fields and on the hills. 4. Strauss wrote more than 400 waltzes and his most _____ one was The Blue Danube. 5. Yang Liwei was called "China's _____ astronaut" when he returned to Earth after his journey into space. 查看答案
题型:问答题 简答题 国内首个可单独购买的恐怖袭击财产保险在广州亮相。该险种的保障范围是客户由于恐怖主义活动而遭受的直接财产损失,赔偿最高可达1亿美元。可见:A.商业保险的赔付数额都比较大B.保险公司是办理商业保险的国家机关C.商业保险分为财产保险和人身保险D.商业保险是补偿意外损失的一项措施 查看答案