什么是近井点?
参考答案:
在布设矿区控制网时,应在每个井口附近至少设立一个控制点,以便将地面的坐标系统传递到井下去,这个点叫近井点。
根据所给汉语提示,写出空缺处单词正确形式。
1. We made Li Lei as ______ (队长) of our football team.
2. All of Zhang Yimou's films are ______ (极好的).
3. I have looked for my pen _____ (任何地方), but I can't find it.
4. Most of the foreigners think Chinese food is ______ (美味的).
5. The ______ (音乐家) plays the piano very well.
险性事故发生后,主要责任单位于事故发生后()日内向分局(局)提出事故处理报告。
A、3
B、5
C、7
D、9