第24题:[单选题]14.An increase in tastes for the import commodity in both nations: A.A.reduces the volume of trade B.B.increases the volume of trade C.C.leaves the volume of trade unchanged D.D.any of the above 参考答案:B
第25题: [单项选择]测量设备的绝缘电阻应用() A. 万用表高阻档 B. 兆欧表 C. 接地电阻测量仪 参考答案:B