问题解决的特征为( )。A．认知性操作 B．操作复杂性 C．目标指向性 D．问题空间 发布时间：2023-09-13 18:52 │ 来源：www.tikuol.com 题型：多项选择题 问题： 问题解决的特征为( )。A．认知性操作B．操作复杂性C．目标指向性D．问题空间性E．操作系列性
题型：多项选择题 口语应用。从方框中选出最佳选项补全对话。A. I want to buy a hat for myself. B. How much is it ? C. What color do you want? D. What about this one? E. OK. Here you are A: What can I do for you? B: 1____________ A: For yourself? These are all for young people. 2____________ B: I like the blue one. A: 3____________ B: Thank you. 4____________ A: One hundred yuan. B: Oh, it costs too much. A: 5____________ It is cheaper. It is only fifty yuan. B: OK. I'll take it. Thank you 查看答案