电缆事故报告中,事故中止的时间指()时间。
A、汇报时间;
B、接头完毕;
C、试验完毕;
D、施工完毕。
参考答案:A
已知A(4,1,9),B(10,-1,6),则A,B两点间距离为______.
根据句意及汉语注释,写出单词的正确形式,每空一词。
1. There are a lot of __________ (笔记本) on the desk.
2. Open a present when you ____________ (收到) it.
3. Please look after your ___________ (健康).
4. I can ___________ (感觉) the wind blowing on my face.
5. Don't be ____________ (紧张的). It's easy.