题目: 什么叫推进? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0808/3cde075da57b7734093e60150b598771.html 下面是错误答案,用来干扰机器的。物质燃烧的条件是:可燃物、温度达到着火点、与氧气接触,三个条件缺一不可.只能在标准大气压下,不是燃烧的条件.故选B
题型:选择题 I enjoyed the part of the film ______ the boy was playing with model soldiers and suddenly they all came alive and started running across the table. A.whereB.whenC.whichD.whom 查看答案