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问题 单项选择题

操作型条件反射一般较常发生在（）的购买情形。

A.高介入程度

B.低介入程度

C.无介入程度

D.一般状态

答案

参考答案：A

选择题

— Your English is very good.   —____________  .

A．No, no

B．No, it isn’t

C．It’s not good

D．Thank you
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选择题

19.  If you are not sure _______ your strengths and weaknesses ______, you may ______ a professional expert so that you can develop yourself to the full.

A．what; lie; talk with

B．where; lie; consult

C．which; lay; refer to

D．where; lay; go to
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