单项选择题
How are custom controls made？（）
A.By assembling existing controls B.By combining multipleXPages together C.By creating a brand new widget from scratch D.By writing the code for a brand new control
单项选择题 Whichistrueofvalidations？（）
单项选择题 Whichtechnologyfacetisavailable"outofthebox"？（）
单项选择题 WhichofthefollowingcannotbetranslatedfromClassicNotestoXPages？（）
