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【单选题】
统计总体与总体单位之间的关系表现为( )。A.
二者是固定不变的
B.
总体是总体单位数量标志的总和
C.
总体只是由存在数量标志的总体单位构成的
D.
总体与通体单位在一定条件下是可以变换的
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【简答题】心肌收缩力减弱可引起哪一项增大:
【单选题】下列关于设计文件编制阶段的说法中哪一种是正确的?()
A.
在可行性研究阶段需编制投资估算
B.
在方案设计阶段需编制预算
C.
在初步设计阶段需编制工程量清单
D.
在施工图设计阶段需编制设计概算
【单选题】在Word2010中，关于艺术字说法错误的是（）。
A.
可以为艺术字设置阴影效果
B.
可以为艺术字设置棱台效果
C.
可以为艺术字设置三维旋转效果
D.
不能对艺术字设置垂直方向
【单选题】A steady decline in annual movie-ticket sales is about to begin. More than half of the tickets sold last year were sold to the age group under twenty-five years of age, representing twenty-seven perce...
A.
Medical advances have lowered the mortality rates for those who are forty to sixty years of age.
B.
Many people gradually lose interest in going to the movies after they reach twenty-five years of age.
C.
The number of movie theaters has been increasing, and this trend is expected to continue during the next ten years.
D.
Movie-ticket sales tend to increase as the size of the work force increases, and the size of the work force will increase annually during the next decade.
E.
Experts agree that people under twenty-five years of age will continue to account for more than half of the total number of tickets sold in each of the next ten years.
【单选题】There is only one ticket for Lucy and Susan. So ______ of them will go to the movie.
A.
either
B.
neither
C.
both
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