第一章1、有朋自远方来,她乘火车、轮船、汽车或飞机的概率分别是0.3,0.2,0.1和0.4。如果她乘火车、轮船或者汽车来,迟到的概率分别是0.25,0.4和0.1,但她乘飞机来则不会迟到。如果她迟到了,问她最可能搭乘的...
时间:2023-11-03 14:04栏目:
预测一Forthispart,youareallowed30minutestowriteacompositiononthetopic:AttendYourClassesRegularly。Youshouldwriteatleast120wordsfollowingtheoutlinegivenbelowinChinese.1.现在大学校园里,迟到、早退、...
时间:2023-10-28 20:59栏目: