在小学阶段,学校不开设化学、物理课程,这是受(  )

在小学阶段,学校不开设化学、物理课程,这是受(  )A.学生认知发展制约 B.师资力量制约 C.仪器设备制约 D.课程复杂性制约

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She ought to stop work; she has a headache because she _____

She ought to stop work; she has a headache because she ________ too long.A.has b

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A: I adore your hat.B: ________

A: I adore your hat.B: ________A.Yours is lovely, to B.I think yours is bette C.

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Doctor: What seems to be the matter?Patient: Well, my heartb

Doctor: What seems to be the matter?Patient: Well, my heartbeat is fast and I ha

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