void T0_time() interrupt 2{....}该中断子程序对应的是什么中断？ A: 外部中断1 B: 外部中断0 C: 定时/计数器0 D: 定时/计数器1
void T0_time() interrupt 2{....}该中断子程序对应的是什么中断？ A: 外部中断1 B: 外部中断0 C: 定时/计数器0 D: 定时/计数器1
因果系统的时域充分必要条件是（ ） A: h(t)<0，t<0 B: h(t)=0，t<0 C: h(t)>0，t<0 D: h(t)=0，t>0
因果系统的时域充分必要条件是（ ） A: h(t)<0，t<0 B: h(t)=0，t<0 C: h(t)>0，t<0 D: h(t)=0，t>0
I haven't seen her for ( ) . A: such long time B: so a long time C: such a long time D: so a long time
I haven't seen her for ( ) . A: such long time B: so a long time C: such a long time D: so a long time
If you don't leave on time, ______.
If you don't leave on time, ______.
There isn't time to get ready.
There isn't time to get ready.
There wasn't enough time at that moment，
There wasn't enough time at that moment，
Peter hardly had time for concerts at that time, ________? A: wasn't he B: was he C: didn't he D: did he
Peter hardly had time for concerts at that time, ________? A: wasn't he B: was he C: didn't he D: did he
设有定义 struct st {int x；float y；} time，*t；t=&time；则对time中成员的正确引用是( ) A: w.time.x B: t.x C: (*t).x D: time->x
设有定义 struct st {int x；float y；} time，*t；t=&time；则对time中成员的正确引用是( ) A: w.time.x B: t.x C: (*t).x D: time->x
设有定义struct st { int x; float y; } time, *t; t=&time; 则对time中成员的引用正确的是( )。 A: st.x B: t.x C: (*t).x D: time->x
设有定义struct st { int x; float y; } time, *t; t=&time; 则对time中成员的引用正确的是( )。 A: st.x B: t.x C: (*t).x D: time->x
There wasn't anyone in the room at that time, ? A: isn't there B: wasn't there C: was there D: is there
There wasn't anyone in the room at that time, ? A: isn't there B: wasn't there C: was there D: is there