选择题:How do you plan on paying for your travelling cost 题目分类:兰州工业学院-大学英语 题目类型:选择题 查看权限:VIP 题目内容: How do you plan on paying for your travelling costs ?A、Here are the receipts.B、I have a housing contract with the university.C、My father has already paid for that in advance. D、I.ll be here for about a year. 参考答案:
填空题,20分] 设 是圆柱面x2+y2=4 介于 , z=3之间部分的外侧,则 . 填空题,20分] 设 是圆柱面x2+y2=4 介于 , z=3之间部分的外侧,则 . 分类:兰州工业学院-大学英语 题型:选择题 查看答案
[单选题,50分] 函数y=sin2x的导数为:A.cos2xB.-cos2xC.2cos2xD.- [单选题,50分] 函数y=sin2x的导数为:A.cos2xB.-cos2xC.2cos2xD.-2cos2x 分类:兰州工业学院-大学英语 题型:选择题 查看答案