为了使文本框同时具有水平和垂直滚动条,应先把multilin属性设置为true,然后再把scrollbars属性设置为()
A. 0
B. 1
C. 2
D. 3
Whatisavaildmatchcriteriaforafirewallfilter?()
A. fromprotocoltcp
B. fromurl
C. fromcommunity
D. fromacl
行政立法行为属于()
A. 具体行政行为
B. 抽象行政行为
C. 羁束行政行为
D. 自由裁量行政行为
AtechnicianispreparingtoupdatetheBIOSonalaptop.Whichofthefollowingshouldthetechniciandotopreventproblemsduringtheupdate?()
A. Removeallofthememory
B. PlugintheACadapter
C. Removetheharddriveandopticaldrive
D. Clearthepartitionsontheharddrive