Which of the following can be thought as positive reinforcements?
A: providing a sticker to students once they’ve completed an assignment
B: giving a candy to a student once he gives right answers
C: allowing the student to leave circle time for a five-minute break after he uses a break card
D: asking the student to do more homework as a punishment for his misbehabior
A: providing a sticker to students once they’ve completed an assignment
B: giving a candy to a student once he gives right answers
C: allowing the student to leave circle time for a five-minute break after he uses a break card
D: asking the student to do more homework as a punishment for his misbehabior
举一反三
- W: Can we leave the lab now, teacherM. No, you must tidy the lab before you leave. When can the student leave(). A: The student can’t leave unless he has put everything back in the cupboard. B: The student can leave after he turns off the electricity. C: The student can leave after he has tidied the lab.
- He is ______ a history student at Harvard University. A: in time B: at present C: at a time D: at once
- What can students do with the student card?
- When the author was a medical student, he ______. ( ) A: had some trouble with his heart B: was a very good student C: wanted to be a writer after graduation D: was satisfied with what he was doing at the time
- Rewrite the sentences by using “no longer “and “not...any more”He was a good student and he was the best in the class.He is still a good student but ( ).He is still a good student but ( ).