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【简答题】
函数 y= x 2 +5 x 2 +4 的最小值为多少?
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【单选题】The young black people used their ______to dance at that time.
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【单选题】h ar mful A.doll ar B.d ar k C.gramm ar D.w ar m
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doll ar
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d ar k
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gramm ar
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w ar m
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【多选题】患者女,66岁,上腹部疼痛、呕吐,呕吐物为胃内容物,发热、呼吸困难10h急诊入院,发病前曾进食油腻食物。入院查T38.6℃,P130次/min,R32次/min,Bp12/7kPa(90.0/52.5mmHg)。此时下列处置不恰当的是()(提示:上述胰腺炎经过25d治疗恢复出院,3个月来体重下降15kg,但第3个月进食少许油腻食物和饮少许白酒后又出现上腹部疼痛,无发热,血白细胞正常,血淀粉酶轻度升...
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【单选题】We can play with the yo-yo. It's ________. [ ]
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【单选题】The young black people used their ______to dance at that time.
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