题目: 炉渣碱度(R)表示方法:R=(SiO2)/(CaO)。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/1108/25e01c678ff39a7a3c940249443387b5.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 Jason has lost his job and is now _________ a very difficult time.A.going throughB.going overC.giving inD.giving up 查看答案