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【简答题】
求经过直线3x+2y+6=0和2x+5y-7=0的交点,且在两坐标轴上的截距相等的直线方程.
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A.
adjust
B.
deficit
C.
exposure
D.
condense
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【多选题】设备间环境要求正确的是()。
A.
湿度为10oC~30oC
B.
照明度不应低于200Ik
C.
照明度不应低于100IK
D.
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A.
主动脉
B.
肺动脉
C.
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A.
企业已收款入账,银行尚未收款入账
B.
企业已付款入账,银行尚未付款入账
C.
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D.
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【单选题】冠状动脉由()发出
A.
升主动脉
B.
主动脉弓
C.
锁骨下动脉
D.
头臂干
【单选题】下列不宜用于幼儿园的门是( )
A.
双扇平开门
B.
推拉门
C.
弹簧门
D.
折叠门
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