When ______ properly, a reward system can help to increase students’ effort, attention and improve their behavior.

试卷相关题目

• 1He said to me with an _________ look on his face.

  A.excite

  B.exciting

  C.excitement

  D.excited

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• 2He is always full of _______ as if he never knows tiredness.

  A.energy

  B.force

  C.spirit

  D.strength

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• 3Last month I traveled across the Sahara Desert by ______ camel with some locals. What _____ amazing experience!

  A.the; an

  B.a; /

  C./; the

  D./; an

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• 4________ he is into the video game, it’s hard for him to think of anything else — all his attention is on winning the game.

  A.Unless

  B.Whether

  C.Once

  D.Where

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• 5——I don’t know how to deal with my son. He always refuses ________ advice I give him.——He just wants to show he has grown up, maybe.

  A.no matter what

  B.whatever

  C.no matter which

  D.whichever

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• 6The manager promised to keep me ________ of how our business was going on before I made up my mind to take a few days off.

  A.to be informed

  B.inform

  C.informed

  D.informing

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• 7Shangrila, a place of mystery and beauty, is indeed a heavenly world ________ people live in perfect harmony with nature.

  A.that

  B.which

  C.when

  D.where

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• 8—— Have you finished all your homework、—— Of course. I ________ it before I went out to play football.

  A.had finished

  B.have finished

  C.finished

  D.was finishing

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