以下哪个代表着项目已经完工?()
A.EV=PV
B.EV=AC
C.EV=BAC
D.PV=BAC
参考答案:C
解析:
挣值管理
根据5幅图,完成句子,分别写出他们所遇到的问题。
1. Mille often feels s_______ in class.
2. Simon has a lot of h_______ to do every day.
3. The n_______ of TV at home almost drives Kitty mad.
4. Amy's cousin always d________ her when she is studying.
5. Sandy's parents work all day. They has no c_______ with her.
设有分歧道岔的线路所,当列车经过分歧道岔侧向运行时,色灯信号机应显示()。
A、一个绿色灯光
B、一个黄色灯光
C、两个黄色灯光
D、一个绿色灯光和一个黄色灯光