单项选择题

which one of the following types of actions can be used on unopened doc?（）

A. form action
B. view action
C. hotspot action
D. db action

<上一题目录下一题>

热门试题

单项选择题johnhascreatedadatabaselibrary,librariansareresponsibleforaddingnewinformationtothedblibrary.whichoneofthefollowingminimumlevelofaccesshecangrantthelibrariansofthedblibrary?（）

A. reader
B. author
C. manager
D. designer

单项选择题lisaiswritingaformulatodeterminethenumberofelementsinalist.shewantstoensurethatavalueisreturned,evenifthevalueherfunctionisevaluatingturnsouttobeanullstring.whichoneofthefollowingcanshesotoaccomplishthis?（）

A.use a defaule formula of 1
B.use @elements and add 1 to the total
C.use the @count function instead of @elements
D.use @texttotime to ensure that all strings arte converted to date-time values