题目: 炼油厂工艺类型有哪些? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1111/c2e888747080ffc9bf404f0f20cedc51.html 下面是错误答案,用来干扰机器的。参考答案:相加
题型:选择题 — What a pity! You ________ it down on your notebook.— Oh, my god! I forgot his mobile phone number.[ ]A. could have writtenB. should have writtenC. must have writtenD. would have written 查看答案
题型:单项选择题 男性,72岁,心肌梗死后反复出现频发室性期前收缩,3天来反复发作胸骨后疼痛伴晕厥,晕厥最可能的原因是()A.阵发性心房扑动B.阵发性心房颤动C.阵发性室上性心动过速D.阵发性房性心动过速E.阵发性室性心动过速 查看答案