单选题：Accordingtothepassage,socialdistancerefersto__________.

题目内容：

Accordingtothepassage,socialdistancerefersto__________. A．physicaldistance
B．psychologicaldistance
C．physiolo.gicaldistance
D．philosophicaldistance

参考答案：

答案解析：

Paragraph6__________

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Ifchargedhighenough,somedriversmay___________toentercertainpartsoftown. A．reduc

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