中国人民解放军内务条令第一百零七条规定,军人在()必须遵纪守法,坚决维护国家和军队的利益。
A、对外交往
B、官兵关系
C、军人之间的相互关系
D、请示报告
参考答案:A
用括号内所给词的适当形式填空
1. I'm __________(save) the money for my new bike.
2. If I had a 3-day holiday, I would go __________(sail). I think it would be
very __________( fascinate).
3. Would you like __________(join) a swimming club?
4. He __________(buy) an apartment to live in.
5. We __________(especial) love hiking and swimming.
为测量运动员短跑时的平均速度.在室外测出40m的路程,每隔10m作一记号.选出4位记时员分别站在10、20、30、40m处;让该运动员跑完40m路程即告实验完毕.
(1)实验中所用的主要器材是______和______;(2)实验原理是______.