该图是某区域某时地面天气简略。读图回答下列小题。
图中M地的风向是（）
A.东北
B.东南
C.西北
D.西南
参考答案：C
He mentioned in the letter that he ______ join us once he ______ our invitation.
A．would come; received
B．had come; received
C．was coming; had received
D．came; received
设备质量监理的依据是( )。
A．承包合同和监理合同文件
B．设计文件
C．国家及地方政府有关部门颁布的有关质量管理方面的法律、法规性文件
D．专门技术法规性依据
E．监理质量手册
