【简答题】PLC输出接口分为 、 、 三种,其中 只能带交流负载, 可带交直流负载。
【单选题】063 10111 : 以下程序的输出结果是( )。 int main() { int a[4][4]={{1,3,5},{2,4,6},{3,5,7}}; printf("%d%d%d%d",a[0][3],a[1][2],a[2][1],a[3][0]); return 0; }
【简答题】听音,选择你所听到的句子。 ( ) 1. A. My aunt likes to read books. B. My uncle likes to work on the computer. ( ) 2. A. How does she go to work? B. What does she do? ( ) 3. A. My aunt is younger than my...
【简答题】听一听,选择正确的选项。 ( ) 1. My grandfather likes to ( ) 2. My father likes to ( ) 3. My uncle likes to ( ) 4. My aunt likes to A. work on the computer. B. play checkers. C. go for a walk. D. r...
【简答题】My uncle is a farmer. He has ninety trees on his farm. My uncle and my aunt pick(采摘) all the apples in fall(秋天), they ask my parents and me to go to them every year. It’s Sunday. My parents don’t go t...