在双代号时标网络计划中,关键线路是指( )。
A.没有虚线的线路 B.由关键节点组成的线路C.没有波形线的线路 D.持续时间最长的工作所在的线路
参考答案:C
句型练习。
1. The shirt cost me only 50 yuan. (就划线部分提问)
did the shirt cost?
2. That dictionary cost me $10 . (同义句)
I 10 for that dictionary.
3. My parents should allow me to study with friends.(改为被动句)
I should to study with friends.
4. I used to be a naughty boy. (改成一般疑问句)
you be a naughty boy?
5. The little boy cried because he was hungry.(就画线部分提问)
the little boy cry?
()是城市总体规划的核心。
A.城市环境规划
B.土地使用规划
C.城市总体规划
D.城市专项规划