初始地籍调查技术总结概述的内容不包括( )。
A.调查区概况 B.经验教训的总结C.宗地密度 D.地籍测量队伍情况
参考答案:B
0.5L 1 mol?L-1 FeCl3溶液中Cl-的物质的量是
A.1 mol?L-1
B.0.5mol
C.3 mol?L-1
D.1.5mol
Many students would be _____ next moming if they gota lot of homework to do. [ ]
A. sleep
B. asleep
C. sleepy
D. to sleep