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【单选题】
听力原文：The subject of the conference is marketing and sales. And I was wondering if you could give us a talk, say, fifty minutes or so, on cost-effective publicity. (23)A.
What are the differences between marketing and cost-effective publicity?
B.
Could you say something on the subject of cost-effective publicity?
C.
How much will the conference on marketing and sales cost us?
D.
When will the subject of the 50-minute conference be publicized?
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【简答题】分别简述烟叶商品调拨与烟草商品运输的原则。
【单选题】如果要通过url传递多个参数下列格式正确的是( )。
A.
index.php?id=10&user=zhangsan
B.
index.php&id=10?User=zhangsan
C.
index.php=id?10=user?Zhangsan
D.
index.php:id=10:user=zhangsan