When a repeating timer expires,（）. A: The When-Timer-Expired trigger resets the timer's iteration parameter.  B: The When-Custom-Item-Event trigger fires and executes the desired actions.  C: It is put in a queue of expired timers for processing on a first-in-first-out basis.  D: The When-Timer-Expired trigger fires instantly regardless of any other processing in the form module.

When a repeating timer expires,（）. A: The When-Timer-Expired trigger resets the timer's iteration parameter. B: The When-Custom-Item-Event trigger fires and executes the desired actions. C: It is put in a queue of expired timers for processing on a first-in-first-out basis. D: The When-Timer-Expired trigger fires instantly regardless of any other processing in the form module.&e

When the CPU responds to the interrupt request of timer T1, the content of program counter PC is (). A: 0003H B: 000BH C: 00013H D: 001BH

_____, your warranty expired three weeks ago.

在VB中,计时器(Timer)定期激活Timer事件,使Timer中的代码执行一次

为启动Timer控件,需要设置Timer的( )属性

My passport is expired and I have to do the new registration.

A mass on a spring vibrates in simple harmonic motion at a frequency of 4.0 Hz and an amplitude of4.0 cm. If a timer is started when its displacement is a maximum (hence x = 4 cm when t = 0), what isthe acceleration magnitude when t = 3 s? 未知类型：{'options': ['', '', '', '', ''], 'type': 102}

关于创建日期类下列说法正确的是（ ） A: var now:Date = new Date(); B: var now:timer = new Timer (); C: var now: date = new date(); D: var now:timer = new Timer ();

如果想要用timer创建1000个事件，下列哪种方法是可行的? A: 在timer事件中设置一个计数器counter，在timer事件中增加这个计数器counter，通过判断这个counter的大小停止timer。 B: 为timer事件定义一个全局变量，在timer事件外增加这个计数器counter，通过判断这个counter的大小停止timer。 C: 在程序中声明一个全局变量counter，在timer事件处理函数中声明为global，并且增加计数器counter，通过判断counter的大小停止timer。 D: 当创建timer时指定事件的数量。