三岩地区的社会形态中，执行严格的父系社会是（）。
A、帕措
B、戈巴
C、萨迦
D、克玛
参考答案：A
John was dismissed last week because of his __________ attitude towards his job. [ ]
A. informal
B. casual
C. determined
D. earnest
长度测量中，读数时视线应该与尺面 __________ ；为要读数更精确些，读数时就要做到 ___________ 的下一位．
