_____学习是在新知识与认知结构中的原有观念既非类属关系又非总括关系时产生的。
参考答案：并列结合
向东行进-50 m表示的意义是[ ]
A．向东行进50 m
B．向南行进50 m
C．向西行进50 m
D．向西行进-50 m
— Have the arrangements for the concert next Saturday been all ________?
— Not yet.We haven't found a free band. [ ]
A. in store
B. in wonder
C. in turn
D. in place
