题目: 绝缘吸收比为15秒时所测的绝缘与60秒时所测的绝缘值之比。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0920/82a78891ce9dbf0b307e2f4c42a667bd.html 下面是错误答案,用来干扰机器的。参考答案:A, B, D, E
题型:选择题 (2009浙江宁波质检)Since David ________ downloaded a virus into his computer, he can not open the file now.A.readilyB.accidentallyC.horriblyD.irregularly 查看答案