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【简答题】
如果将抛物线y=2x 2 +bx+c沿直角坐标平面先向左平移3个单位，再向下平移2个单位，得到了抛物线y=2x 2 -4x+3。 （1）试确定b，c的值； （2）求出抛物线y=2x 2 +bx+c的对称轴和顶点坐标。
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参考答案：
举一反三
【判断题】The following is academic writing.Marley was dead, to begin with. There is no doubt whatever about that. The register of his burial was signed by the clergyman, the clerk, the undertaker, and the chie...
A.
正确
B.
错误
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【多选题】网络广告设计中存在下列哪些问题对网络广告效果产生一定影响( )
A.
网络广告设计主题不明确
B.
网络广告设计缺乏吸引力
C.
网络广告字节数过大
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【单选题】在中国网络广告投放市场中，份额最大的广告方式是哪种?
A.
Email广告
B.
视频广告
C.
关键词广告
D.
品牌图文广告
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【多选题】网络广告设计中存在下列哪些问题对网络广告效果产生一定影响（）
A.
网络广告设计主题不明确
B.
网络广告设计缺乏吸引力
C.
网络广告字节数过大
D.
网络广告片面追求点击率指标
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【判断题】Once the Assignment was assigned, there was no way to change it but accept.
A.
正确
B.
错误
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【单选题】On 1 January 2010, a business purchased office equipment worth $35,500 which had an estimated useful life of seven years and estimated residual value of $4,000. The business uses straight-line depreci...
A.
$3,667
B.
$3,000
C.
$2,444
D.
$2,000
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【判断题】The politician said there was no need to change 'sell-by' dates on food.
A.
正确
B.
错误
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【简答题】论述幼儿园全面发展教育的意义。
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【单选题】The following information of P Co is available for the year ended 31 October 20X2: Property Cost as at 1 November 20X1 $102,000 Accumulated depreciation as at 1 N...
A.
Depreciation charge $3,750 Revaluation surplus $68,400
B.
Depreciation charge $3,750 Revaluation surplus $48,000
C.
Depreciation charge $3,000 Revaluation surplus $68,400
D.
Depreciation charge $3,000 Revaluation surplus $48,000
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【单选题】The following scenario relates to questions 19-23. Aphrodite Co has a year end of 31 December and operates a factory which makes computer chips for mobile phones. It purchased a machine on 1 July 20X3...
A.
$9,000
B.
$8,000
C.
$8,263
D.
$8,500
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相关题目：
【判断题】The following is academic writing.Marley was dead, to begin with. There is no doubt whatever about that. The register of his burial was signed by the clergyman, the clerk, the undertaker, and the chie...
A.
正确
B.
错误
查看完整题目与答案
【多选题】网络广告设计中存在下列哪些问题对网络广告效果产生一定影响( )
A.
网络广告设计主题不明确
B.
网络广告设计缺乏吸引力
C.
网络广告字节数过大
查看完整题目与答案
【单选题】在中国网络广告投放市场中，份额最大的广告方式是哪种?
A.
Email广告
B.
视频广告
C.
关键词广告
D.
品牌图文广告
查看完整题目与答案
【多选题】网络广告设计中存在下列哪些问题对网络广告效果产生一定影响（）
A.
网络广告设计主题不明确
B.
网络广告设计缺乏吸引力
C.
网络广告字节数过大
D.
网络广告片面追求点击率指标
查看完整题目与答案
【判断题】Once the Assignment was assigned, there was no way to change it but accept.
A.
正确
B.
错误
查看完整题目与答案
【单选题】On 1 January 2010, a business purchased office equipment worth $35,500 which had an estimated useful life of seven years and estimated residual value of $4,000. The business uses straight-line depreci...
A.
$3,667
B.
$3,000
C.
$2,444
D.
$2,000
查看完整题目与答案
【判断题】The politician said there was no need to change 'sell-by' dates on food.
A.
正确
B.
错误
查看完整题目与答案
【简答题】论述幼儿园全面发展教育的意义。
查看完整题目与答案
【单选题】The following information of P Co is available for the year ended 31 October 20X2: Property Cost as at 1 November 20X1 $102,000 Accumulated depreciation as at 1 N...
A.
Depreciation charge $3,750 Revaluation surplus $68,400
B.
Depreciation charge $3,750 Revaluation surplus $48,000
C.
Depreciation charge $3,000 Revaluation surplus $68,400
D.
Depreciation charge $3,000 Revaluation surplus $48,000
查看完整题目与答案
【单选题】The following scenario relates to questions 19-23. Aphrodite Co has a year end of 31 December and operates a factory which makes computer chips for mobile phones. It purchased a machine on 1 July 20X3...
A.
$9,000
B.
$8,000
C.
$8,263
D.
$8,500
查看完整题目与答案
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