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l. I must be off now，（)my sister is expecting me.A.orB.soC. forD. and..
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Why is the present education system criticized acc.....
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以企业为中心确定经营方向才能满足顾客需要（)..
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治疗郁证痰气郁结证，应首选A、柴胡疏肝散B、丹栀逍遥散C、半.....
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He said ________ as not within his power to answer the question. A. that B. this C. su..
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信号发射器的输出功率不能超过额定值，严禁将输出端短路。（)..
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