用万用表检查交流发电机转子绕组两极电环之间电阻，其值应为（）
A、1.6～2.0
B、2.5～3.5
C、2.6～3.0
D、3.0～4.0
参考答案：C
I prefer to in summer.
A．swimming, boating
B．to swim, boat
C． to swimming, boating
D．swim, boat
