招标代理机构承担民事责任的主要方式为( )。 A.责令改正B.罚款C.赔偿损失###SX

The galvanometer indicated______.A．that Henry's assistant had connected the wireB．that Henry had been able to produce a voltageC．zero constantlyD．the iron bar had been placed across the poles of the electromagnet 点击查看答案

According to what appeared in print at that time______.A．Joseph Henry discovered the principle of electromagnetic inductionB．Henry falsely tried to claim credit for the discovery of the principle of electromagnetic inductionC．Faraday discovered the principle of electromagnetic inductionD．Henry's experiment with electromagnetic induction was a failure 点击查看答案