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【判断题】
旅行社质量保证旅游行政管理部门期间产生的利息，属于旅行社和旅游行政管理部门所有A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】In the text the author wants his marketers to understand that.
A.
advertising to children must stop
B.
a libertarian view in advertising is unethical
C.
advertising to children must have a clear purpose
D.
children must be treated differently when advertising
【单选题】Nowadays, children under 1.4 meters _______________ be free to take buses in some cities.
A.
need
B.
must
C.
shall
D.
can
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