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[主观题]
Pre______ investigation shows that the tank is not leaking, but this has to be confirmed by detailed
tests.
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更多“Pre______ investigation shows …”相关的问题
Which of the following statements is NOT true？
A．The relationship between market investigation and sales promotion is just like that of the lips and teeth.
B．It is impossible to succeed in selling a product without market investigation.
C．There are various ways of making market investigation.
D．Production goes before market investigation.
