选择题:If you choose an existing route for a parade, the 题目分类:国家开放大学管理英语3. 题目类型:选择题 查看权限:VIP 题目内容: If you choose an existing route for a parade, the amount of planning will be reduced. 回答 参考答案:
两平面x-4y+z+5=0与2x-2y-z-3=0的夹角是() 两平面x-4y+z+5=0与2x-2y-z-3=0的夹角是()A. π/6B. π/3C. π/4D. π/2 分类:国家开放大学管理英语3. 题型:选择题 查看答案
5.Please give the problem a careful _____.(3分)A. c 5.Please give the problem a careful _____.(3分)A. considerableB. considerationC. 分类:国家开放大学管理英语3. 题型:选择题 查看答案