据某些工程实例统计，高层建筑地面以上部分的总费用中，垂直运输机械费用约占( )。
A. 1%～6%
B. 10%～15%
C. 6%～10%
D. 15%～20%
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What is the author's purpose in writing this passage
A. To change the behavior or the thinking of its readers towards body-image
B. To convince people that it is harmful to reduce weight
C. To inform people that there are two different categories of body-image problems
D. To analyze why, people pay so much attention to physical appearance
A man' s first job ______.
A. is never the right job for him
B. should not be changed or people will become suspicious of his ability to doany job
C. can be an opportunity to find out what job he is most suitable for
D. should be one in one's specialized field.
施工成本一般以( )为成本核算对象。
A. 单位工程
B. 分部工程
C. 分项工程
D. 分项工程和结构构件
Which of the following is true according to the passage
A good specialist can never be a good generalist
B. A good generalist is seldom a good specialist
C. Every organization needs an equal number of specialists and generalists
D. Generalists are more capable than specialists
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