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【简答题】
.如图（1），直线y=-x+3与x轴、y轴分别交于点B、点C，经过B、C两点的抛物线y=x 2 +bx+c与x轴的另一个交点为A，顶点为P。 （1）求该抛物线的解析式； （2）在该抛物线的对称轴上是否存在点M，使以C、P、M为顶点的三角形为等腰三角形？若存在，请直接写出所有符合条件的点M的坐标；若不存在，请说明理由； （3）连结AC，在x轴上是否存在点Q，使以P、B、Q为顶点的三角形与△ABC相似？若存在，请求出点Q的坐标；若不存在，请说明理由； （4）当0＜x＜3时，在抛物线上求一点E，使△CBE的面积有最大值。（图（2）、图（3）供画图探究）
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参考答案：
举一反三
【单选题】Which of these would you include in a resume?
A.
expected salary
B.
skills and qualifications
C.
references
D.
formal greeting
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【单选题】Which of these would you include in a resume?
A.
expected salary
B.
skills and qualifications
C.
References
D.
formal greeting
查看完整题目与答案
【单选题】已知某批铜丝的抗拉强度X服从正态分布【图片】从中随机抽取9根，经计算得其标准差为8.069。则【图片】的置信度为0.95的置信区间为( )
A.
(30.705, 239.961)
B.
(29.705, 240.961)
C.
(29.705, 238.961)
D.
(32.705, 239.961)
查看完整题目与答案
【单选题】已知某批铜丝的抗拉强度X服从正态分布【图片】从中随机抽取9根，经计算得其标准差为8.069。则【图片】的置信度为0.95的置信区间为( )
A.
(30.705, 239.961)
B.
(29.705, 240.961)
C.
(29.705, 238.964)
D.
(32.705, 239.961)
查看完整题目与答案
【判断题】已知来自标准正态总体的简单随机样本【图片】，则统计量【图片】服从的分布为F(1,n)。
A.
正确
B.
错误
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【多选题】混凝土浇筑前应做好的隐蔽工程验收有(__)。
A.
模板和支撑系统
B.
水泥.砂.石等材料配合比
C.
钢筋骨架
D.
预埋件
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【单选题】Which of these would constitute an advocacy threat?
A.
The audit firm being sued by the client
B.
The audit firm and the client being sued by a third party
C.
The audit firm suing the client for non-Payment of fees
D.
The audit firm giving evidence in court on behalf of the client
查看完整题目与答案
【多选题】混凝土浇筑前应做好的隐蔽工程验收有 ( CDE )。
A.
模板和支撑系统
B.
水泥、砂、石等材料配合比
C.
钢筋骨架
D.
预埋件
E.
预埋线管
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【单选题】Which of these would be expected in Cushing's syndrome?
A.
loss of hair in women
B.
deposition of fat in the face, neck, and abdomen
C.
low blood glucose
D.
low blood pressure
E.
all of the above
查看完整题目与答案
【单选题】Which of these would constitute an advocacy threat?
A.
The audit firm being sued by the client
B.
The audit firm and the client being sued by a third party
C.
The audit firm suing the client for non-payment of fees
D.
The audit firm giving evidence in court on behalf of the client
查看完整题目与答案
相关题目：
【单选题】Which of these would you include in a resume?
A.
expected salary
B.
skills and qualifications
C.
references
D.
formal greeting
查看完整题目与答案
【单选题】Which of these would you include in a resume?
A.
expected salary
B.
skills and qualifications
C.
References
D.
formal greeting
查看完整题目与答案
【单选题】已知某批铜丝的抗拉强度X服从正态分布【图片】从中随机抽取9根，经计算得其标准差为8.069。则【图片】的置信度为0.95的置信区间为( )
A.
(30.705, 239.961)
B.
(29.705, 240.961)
C.
(29.705, 238.961)
D.
(32.705, 239.961)
查看完整题目与答案
【单选题】已知某批铜丝的抗拉强度X服从正态分布【图片】从中随机抽取9根，经计算得其标准差为8.069。则【图片】的置信度为0.95的置信区间为( )
A.
(30.705, 239.961)
B.
(29.705, 240.961)
C.
(29.705, 238.964)
D.
(32.705, 239.961)
查看完整题目与答案
【判断题】已知来自标准正态总体的简单随机样本【图片】，则统计量【图片】服从的分布为F(1,n)。
A.
正确
B.
错误
查看完整题目与答案
【多选题】混凝土浇筑前应做好的隐蔽工程验收有(__)。
A.
模板和支撑系统
B.
水泥.砂.石等材料配合比
C.
钢筋骨架
D.
预埋件
查看完整题目与答案
【单选题】Which of these would constitute an advocacy threat?
A.
The audit firm being sued by the client
B.
The audit firm and the client being sued by a third party
C.
The audit firm suing the client for non-Payment of fees
D.
The audit firm giving evidence in court on behalf of the client
查看完整题目与答案
【多选题】混凝土浇筑前应做好的隐蔽工程验收有 ( CDE )。
A.
模板和支撑系统
B.
水泥、砂、石等材料配合比
C.
钢筋骨架
D.
预埋件
E.
预埋线管
查看完整题目与答案
【单选题】Which of these would be expected in Cushing's syndrome?
A.
loss of hair in women
B.
deposition of fat in the face, neck, and abdomen
C.
low blood glucose
D.
low blood pressure
E.
all of the above
查看完整题目与答案
【单选题】Which of these would constitute an advocacy threat?
A.
The audit firm being sued by the client
B.
The audit firm and the client being sued by a third party
C.
The audit firm suing the client for non-payment of fees
D.
The audit firm giving evidence in court on behalf of the client
查看完整题目与答案
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