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【单选题】
已知某产品产量与生产成本有线性相关关系,当产量为1000件时,其生产成本为50000元,其中不随产量变化的成本为12000元,则成本总额对产量的回归方程是( )
A.
yc=1000+5x
B.
yc=12000+38x
C.
yc=1000+38x
D.
yc=12000+5x
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参考答案：
举一反三
【单选题】The author discusses the FTA and Europe 1992 most likely in order to ______.
A.
point out the similarities between two seemingly disparate trading alliances
B.
illustrate how different economic motivations produce different types of trading blocs
C.
provide contrasting examples of a trend that is influencing the world economy
D.
identify the most important characteristics of successful economic integration
查看完整题目与答案
【单选题】Experts point out that almost 35 to 40 percent of our household waste is from _____________ .
A.
old textbooks
B.
supermarket packaging
C.
out-dated clothes
查看完整题目与答案
【单选题】你船在雾中航行，听到急敲钟后，听到一短一长一短的笛号，则他船为：
A.
失去控制的船舶
B.
操纵能力受到限制的船舶
C.
长度小于 100 米的锚泊船
D.
长度大于等于 100 米的锚泊船
查看完整题目与答案
【简答题】自动变量的存储空间是在 [填空(1)] 时分配和释放。A. 程序运行
查看完整题目与答案
【多选题】The experts point out that there are obviously numerous types of tourism or travel as follows:
A.
Singles, groups, couples, friends, colleagues, children, young people, adults, and the elderly travel;
B.
No types of tourism
C.
Short breaks, long breaks, holidays, in season and out season travel.
D.
Resorts, spas, farmhouses, hotels, B&Bs, historic sites travel.
查看完整题目与答案
【简答题】自动变量的存储空间是在 [填空(1)] 时分配和释放。A. 程序运行
查看完整题目与答案
【单选题】你船在雾中航行,听到急敲钟后,听到一短一长一短的笛号,则他船为:
A.
失去控制的船舶
B.
操作能力受到限制的船舶
C.
长度小于100米的锚泊船
D.
长度大于等于100米的锚泊船
查看完整题目与答案
【单选题】主要原料是:金银花、蒲公英、赤小豆、桑白皮、桃仁,可以申报的保健功能为( )
A.
辅助改善记忆
B.
缓解视疲劳
C.
改善营养性贫血
D.
美容
查看完整题目与答案
【简答题】工程中如何用曲率系数Cc来评价土的级配好坏?
查看完整题目与答案
【单选题】Experts point out  ____ we eat healthy food every day, we still need to do much exercise regularly to keep fit.
A.
that although
B.
that even
C.
that as
D.
whether
查看完整题目与答案
相关题目：
【单选题】The author discusses the FTA and Europe 1992 most likely in order to ______.
A.
point out the similarities between two seemingly disparate trading alliances
B.
illustrate how different economic motivations produce different types of trading blocs
C.
provide contrasting examples of a trend that is influencing the world economy
D.
identify the most important characteristics of successful economic integration
查看完整题目与答案
【单选题】Experts point out that almost 35 to 40 percent of our household waste is from _____________ .
A.
old textbooks
B.
supermarket packaging
C.
out-dated clothes
查看完整题目与答案
【单选题】你船在雾中航行，听到急敲钟后，听到一短一长一短的笛号，则他船为：
A.
失去控制的船舶
B.
操纵能力受到限制的船舶
C.
长度小于 100 米的锚泊船
D.
长度大于等于 100 米的锚泊船
查看完整题目与答案
【简答题】自动变量的存储空间是在 [填空(1)] 时分配和释放。A. 程序运行
查看完整题目与答案
【多选题】The experts point out that there are obviously numerous types of tourism or travel as follows:
A.
Singles, groups, couples, friends, colleagues, children, young people, adults, and the elderly travel;
B.
No types of tourism
C.
Short breaks, long breaks, holidays, in season and out season travel.
D.
Resorts, spas, farmhouses, hotels, B&Bs, historic sites travel.
查看完整题目与答案
【简答题】自动变量的存储空间是在 [填空(1)] 时分配和释放。A. 程序运行
查看完整题目与答案
【单选题】你船在雾中航行,听到急敲钟后,听到一短一长一短的笛号,则他船为:
A.
失去控制的船舶
B.
操作能力受到限制的船舶
C.
长度小于100米的锚泊船
D.
长度大于等于100米的锚泊船
查看完整题目与答案
【单选题】主要原料是:金银花、蒲公英、赤小豆、桑白皮、桃仁,可以申报的保健功能为( )
A.
辅助改善记忆
B.
缓解视疲劳
C.
改善营养性贫血
D.
美容
查看完整题目与答案
【简答题】工程中如何用曲率系数Cc来评价土的级配好坏?
查看完整题目与答案
【单选题】Experts point out  ____ we eat healthy food every day, we still need to do much exercise regularly to keep fit.
A.
that although
B.
that even
C.
that as
D.
whether
查看完整题目与答案
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