单项选择题
Which built-in do you use to determine which timer in form module has expired?（）
A.FIND_TIMER B.GET_TIMER_PROPERTY C.GET_APPLICATION_PROPERTY D.GET_CUSTOM_ITEM_EVENT_PROPERTY
单项选择题 Whichbuilt-inreturnsaBOOLEANvaluethatindicatedwhetheranobjectsinternalIDisavailable?（）
多项选择题 Whichtwobuilt-inswouldyouusetoremovetheHOUR_ALARMtimerusingthetimer_idparameter?（）
单项选择题 WhichtechniqueretrievestheerrornumberwhenexplicitDMLfails?（）
