胆囊动脉多源于() ["A.肝左动脉","B.肝固有动脉","C.胃十二指肠动脉","D.肝右动脉","E.胃右动脉"]
震后被埋压时求生的对策是() ["不停地呼吸","不顾一切的行为","精神崩溃,惊慌失措","保存体力,寻找脱险捷径"]
五好老干部党支部具体指哪五个好?
有权领取本期股利的股东资格登记截止日期,称为() ["宣布日","除息日","股利发放日","股权登记日"]
圆曲线详细测设桩位的基本方法有切线支距法和()。 ["切基线法","偏角法","极坐标法","整桩号法"]
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