口语 第2题. University should accept only some students or anyone who really wants to get in? . 第4题. Operant conditioning 学生 always interrupts the professor’s lecture, by asking questions without raising hand.. The professor punished him by taking his play time out, so in order to avoid the punishment, he changed his behavior. Professor praised him whenever he did things right way, by doing this to help him behave better. 第6题. General(?) Market: if company wants sell products which can be used by general public, they use TV or magazine to AD and let everybody can see the AD. Industrial Market: if company wants sell special products only for business or service, such as office furniture, they can use small scale marketing, like sales person.
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