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【单选题】
某旅游定点商店出售当地特产某玉石。该店在店堂告示中表明“售出商品,概不退换”。某旅游团在导游员带领下购买了该商品,后发现该商品有不显眼的瑕疵,依法经有关行政部]认定为不合格的商品,旅游者纷纷要求退货。此时,经营者( ) 。A.
应当负责退货
B.
可以坚持“售出商品，概不退换”
C.
可以坚持不退款，但可购买等额其他商品
D.
可以坚持不退款，但可更换同种商品
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】----Must we hand in the papers now? ----No, you ______.
A.
can’t
B.
may not
C.
mustn’t
D.
needn’t
【单选题】— Where is Mr. Wang? — He is not here. He must _______ the students’ papers in the office.
A.
correct
B.
have corrected
C.
be correcting
D.
corrects
【单选题】Someone must have______about among my papers, for my drawer is in a mess.
A.
rampaged
B.
rehearsed
C.
rummaged
D.
rescinded
【单选题】The students _________ in their papers must leave the classroom.
A.
having handed
B.
handed
C.
who have handed
D.
who was handed
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