单项选择题
等节奏流水施工工期的公式中T=（m+n-1）t+ ΣG+ΣZ - ΣC ，各字母代表的含义
T——流水施工总工期
m——施工过程数；
n——施工段数；
t——流水节拍。
ΣG——所有的组织间歇时间之和。
ΣZ——所有的工艺技术间歇时间之和。
ΣC——所有的提前插入时间之和。
A、正确
B、错误
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单项选择题
Individualistic Americans naturally see themselves as being in competition with others. Competitiveness pervades the society. It is obvious in the attention given to athletic events and star athletes, who are praised for being “real competitors.” 4) ________________________________________________. Competitiveness is less obvious when it is in the minds of people who are consistently comparing themselves with others: who is faster, smarter, richer, better looking; whose children are the most successful; whose husband is the best provider or the best cook or the best lover; who earned his first million dollars at the earliest age; and so on. People who are competing with others are essentially alone, trying to maintain their superiority and, implicitly, their separateness from others.A、By contrast, people from many other cultures regard some of the behavior Americans legitimize by the label “individual freedom” to be self-centered and lacking in consideration for others. B、The most important thing to understand about Americans is probably their devotion to individualism. C、It is also obvious in schools and extracurricular activities for children, where games and contests are assumed to be desirable and beneficial. D、This is not to say that US Americans make no distinctions among themselves as a result of such factors as gender, age, wealth, or social position. E、This behavior does not reflect a special interest in the person addressed, but rather a concern for showing that one is a “regular person.” F、Also closely associated with the value they place on individualism is the importance Americans assign to privacy. G、Americans are trained to conceive of themselves as separate individuals, and they assume everyone else in the world is too. H、Americans are also distinctive in the degree to which they believe in the ideal, as stated in their Declaration of Independence, that “all men are created equal.”