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【简答题】
Which of the following might NOT be a characteristic of a 1950s husband-wife relationship? [A] There was a clear division of work between husband and wife. [B] The wife possibly demanded more rights in the family. [C] In the family, the wife was humble and submissive. [D] In the family, one appreciated the other's work.
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【简答题】以下可以免征进口关税，但进口环节增值税照章征收的是：
【单选题】（3周1次课）在51子系列单片机内部真正可做数据存储器的只有低128字节数据存储器空间，地址为00H~7FH,它划分为三个区域，分别为工作寄存器区、（ ）以及普通RAM区。
A.
字节寻址区
B.
位寻址区
C.
指针地址区