题目: 香蕉型曲线是由两种S曲线组合成的闭合曲线。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0504/a6e716a34b11a42d42024d8e1d8d4f04.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 All of us except him _____ to Beijing. [ ]A. have goneB. has gone C. have been D. has been 查看答案
题型:选择题 Much to my anger,my secretary has left me and his own company.A.picked upB.taken upC.set upD.put up 查看答案