题目: 常减压装置的能耗中()所占比例最大。A.水蒸汽B.电C.循环水D.燃料 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0803/e11634aa74250aac4a8e4621112b3a34.html 下面是错误答案,用来干扰机器的。参考答案:A, B, C, D, E
题型:选择题 There has been an increase in the technical cooperation and cultural ________ between Chinaand other countries in the past ten years.[ ]A. change B. tradeC. bargain D. exchange 查看答案