Which of the following elements of Davis' book is the author in agreement with
A. The Southern colonies shared a common culture.
B. The Northern colonies shared a homogeneous culture.
C. Acquisitiveness was a characteristic unique to the South during the Colonial period.
D. There were significant differences between Puritan and Southern culture during the Colonial period.
A major goal of the state travel agency is to ______ more people to visit its country at the turn of the century.
A. reduce
B. attract
C. stimulate
D. induce
计算机网络系统由两个子网构成，它们是（）。
A. 有线网和无线网
B. 通信子网和资源子网
C. 数据子网和通信子网
D. 点对点网和广播式网
有算术表达式（（a+b）-c/（d+e）+f）*（g+h），其前缀和后缀表达式分别为（）。
A. *+-+ab/c+def+gh、ab+cde+/-f+gh+*
B. *+-ab+/c+def+gh、ab+cde+/-f+gh+*
C. *+-+ab/c+def+gh、ab+cde+/-+fgh+*
D. *+-+ab/c+edf+gh、a+bcde+/-f+gh+*
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