侦察人员应有明确分工，分别检查（）等情况，并做好记录。
A.通风
B.气体浓度
C.温度
D.顶板
参考答案：A, B, C, D
填出《辽、北宋、西夏形势图》中A 、B 、C 、D 所代表的地名。
A._________B._________C._________D._________
At last Bob became _____ the danger of smoking and ?decided? to give it up. [ ]
A.aware
B.aware of
C.aware with
D.aware that
