处于前运算阶段的儿童具有的思维特征是（ ）。

Which one is wrong when you are in a lunch interview? (...

单项选择题Which one is wrong when you are in a lunch interview? ()
A、Never take your leftovers home in a doggy bag.
B、You will be interviewed by a panel of interviewers
C、You don’t need to offer to pay.
D、You want to have your best table manners and be as neat as possible. PartII Case Learning

皮亚杰关于儿童认知发展阶段论指出，儿童的认知发展经历的阶段包括（ ）。A. 感觉运动阶段B. 前运算阶段C....

多项选择题皮亚杰关于儿童认知发展阶段论指出，儿童的认知发展经历的阶段包括（ ）。

Cu金属和NaCl食盐晶体都表现为面心立方结构。A．正确 B．错误

不定项选择Cu金属和NaCl食盐晶体都表现为面心立方结构。