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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Naturally the young are more inclined to novelty than their elders and it is in their speech, as it always was, that most of the vocabulary changes originate. But listening critically to their talk I ...
A.
lack linguistic originality
B.
have always been interested in magic
C.
are becoming more superstitious
D.
are interested in magic when young
【多选题】青春卡的资费规则：（）
A.
套卡激活后首月免月租，下月起正常扣取。
B.
套卡未涉及的其它资费如语音等。
C.
短/彩信等其他资费按现行标准资费执行。
D.
套餐外的语音及流量按现行资费执行（即语音按0.19元/分钟计费；流量按0.29元/MB计费，开通50元安心计划）