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【单选题】
招标投标的( )原则是指招标投标活动主体应当遵纪守法、诚实善意、恪守信用,严禁弄虚作假、言而无信。A.
公平
B.
公正
C.
公开
D.
诚实信用
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【简答题】如图，已知抛物线y=ax 2 + bx +3(a≠0)与x轴交于点A(1，0)和点B( -3，0)，与y轴交于点C． (1)求抛物线的解析式； (2)设抛物线的对称轴与x轴交于点M，问在对称轴上是否存在点P，使△CMP为等腰三角形？若存在，请直接写出所有符合条件的点P坐标；若不存在，请说明理由． (3)若点E为第二象限抛物线上一动点，连接BE、CE，求四边形BOCE面积的最大值，并求此时E点的坐标...
【单选题】A ______is helpful in looking for a job,but it doesn't mean a job
A.
certificate
B.
grade
C.
record
D.
dteb
【单选题】A __ is helpful in looking for a job, but it doesn't mean a job.
A.
certificate
B.
work
C.
record
D.
debt
【单选题】But it doesn't mean they can do it any better than ____ us.
A.
the all of
B.
the rest of
C.
the some of
D.
the many of
【单选题】A is helpful in looking for a job, but it doesn't mean a job.
A.
certificate
B.
grade
C.
record
D.
debt
【单选题】A___ is helpful in looking for a good job, but it doesn't mean a job.
A.
certificate
B.
grade
C.
record
D.
debt
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