产品相对可以做的粗糙,实现规模效益针对的消费群体是:
A新客户
B老客户
C价值取向型客户
D价格取向型客户
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It is usually a mistake to plan a conversation into a lesson.()
Our aim in practicing oral English is to develop students ’ ability to communicate freely and spontaneously in English.()
Classroom conversation is obviously an activity concentrating on accuracy.()
参考答案:错误