单选题：Makingmarketinvestigationisveryimportantbecause（　　）．

题目内容：

Makingmarketinvestigationisveryimportantbecause（　　）． A．inmarket,goodsonsalearenumerous
B．everyproducerisfacingkeencompetition
C．itcangreatlypromotesales
D．alloftheabove

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答案解析：

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（　　）thefog,weshouldhavereachedourdestination． A．Becauseof B．Inspiteof C．Incaseo

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分类：成人英语三级  题型：单选题
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