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问题 单项选择题

某顾客要转换服务提供者，就会带来心理上的而非经济上的，对已进行投资或花费无法补偿的感知，这些构成了该顾客的（）

A.关联成本

B.学习成本

C.沉没成本

D.货币成本

答案

参考答案：C

翻译题

根据句子意思，用括号中所给汉语提示或英语单词的适当形式填空。(每空一词)

小题1:Now the students have _________ from much stress from the parents and the teachers.（遭受）

小题2:He is so active that he often ________ to the teachers’ questions. (回答)

小题3:More information about the traffic is __________ on the Internet. (可获得的)                                                                                                                                                                                                                                                       

小题4:The bag is one of the __________(牙医).

小题5:________ her acting year, she acted as many heroes.（贯穿）

小题6:We _________(success) held the sports meeting on a rainy day.

小题7:The naughty boy feels much_________(sleep) in class today.

小题8:In the past some people were so __________(patient) that they often went through the lights.

小题9:Attention! I have the _________ (late) news about China Good Voice.

小题10:By _________ (offer) help to the teenagers, the youth worker got much pleasure.
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单项选择题

以下关于周围型肺癌的特点正确的是（）

A.以鳞状上皮细胞癌多见

B.生长在段支气管以上

C.位于肺门附近

D.生长在段支气管以下

E.约占肺癌的4/5
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