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【多选题】
下列属于混合销售行为的是A.
永乐电器销售空调并负责运送安装
B.
某软件开发企业销售软件并负责软件培训升级
C.
某布厂既销售布料又提供制衣服务
D.
歌舞厅销售饮料
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举一反三
【多选题】The format of conference notices may vary, but __________ are usually included.
A.
name, date and venue of the conference
B.
sponsors and/or organizers of the conference
C.
purpose of the conference
D.
contact information
【简答题】虚级联的显著特点是健壮性（）。
【多选题】Though the format of conference notices may vary, but __________ are usually included.
A.
name, date and venue of the conference
B.
sponsors and/or organizers of the conference
【多选题】Apart from basic information of the conference such as the name of the conference, date and location, a call for papers/abstracts may focus on ________.
A.
accommodation information
B.
conference objectives
C.
contact channels
D.
topics to be discussed
【多选题】Though the format of conference notices may vary, but __________ are usually included.
A.
name, date and venue of the conference
B.
sponsors and/or organizers of the conference
C.
purpose of the conference
D.
contact information
【单选题】Some development experts feel that ______.
A.
the conference may conclude with a consensus on the problem.
B.
it will be relatively easier to solve the problem after the conference.
C.
thousands of child workers in India may die of poor work condition.
D.
the current approach to child labour problems could worsen matters.
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