问题
单项选择题
网络图中从起点节点开始,沿箭头方向顺序通过一系列箭线与节点,最后到达终点节点的通路称为( )。
A.线路
B.关键线路
C.工序
D.次要线路
答案
参考答案:A
网络图中从起点节点开始,沿箭头方向顺序通过一系列箭线与节点,最后到达终点节点的通路称为( )。
A.线路
B.关键线路
C.工序
D.次要线路
参考答案:A
用方框内所给词的正确形式填空。(每词只用一次)
Jamie was a boy. He didn’t have a hobby. After school, he didn’t 1 ___ part in any games with his friends. He just 2 ____ at home and watched a lot of television. No hobby was not a good way for a young boy to 3___ up. So one day his grandpa knew it and came to his home. He taught him 4_________to fish. Jamie was very happy and had a lot of fun doing this. From the story we know hobby is a great joy. Boys and girls, the winter holiday is coming. By the way, what plans have you made for it? What’re your hobbies? Let’s do the things we like to do. Come on, boys and girls. I’m very sure you’ll enjoy 5________ . But remember to bring your school works to your teacher before you come to school. |