【单选题】有以下语句: int a[5]={0,1,2,3,4,5},i; int *p=a; 设0≤i<5,对a数组元素不正确的引用是( )。
【简答题】阅读短文, 按要求完成短文后的各项任务。 Today more and more young people in China would like to spend their school holiday working for others. And they don’t do it for money. Here are some of the kind young men’s stori...
【单选题】( ) 主要去除污水中呈胶体和溶解状态的有机污染物质 ( 即 BOD 、 COD 物质 ) ,去除率可达 90% 以上,使有机污染物达到排放标准。
【判断题】废水二级处理主要去除污水中呈胶体和溶解状态的有机污染物质(BOD,COD物质),一般去除率仅达60%。
【单选题】在反馈控制系统的传递方框图中,其中z(t)是
【简答题】当输入信号(上升沿)个数累加到设定值时,计数器动作,其 触点闭合, 触点断开。此后,若输入信号再接通,计数器的当前值 ,若需要令计数器复位,需执行 指令。
【简答题】Questions 16 to 18 are based on the following passage. Talking about differences between old and new generation, it will be helpful to identify two distinct sources of difference. These are the differ...
【判断题】They are helpful and generous.他们小气吝啬,不爱说话.