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问题 单项选择题

成本控制可按不同的标志进行分类。下列关于成本控制分类的说法中，正确的是（）。

A.按控制的时间特征分类，可以分为前馈性控制、防护性控制、反馈性控制

B.按控制的机制分类，可以分为成本开环控制和成本闭环控制

C.按成本信息反馈的程度不同，可以分为事先控制、事中控制、事后控制

D.按控制的系统不同，可以分为简单控制和分级控制

答案

参考答案：D

判断题

施工单位在建设工程安全生产中处于核心地位，施工单位的负责人依法对本单位的安全生产工作负责。
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单项选择题

Are teens and young adults more narcissistic (自恋的) today than in the past That’s the view of a California researcher who studies (1) people.

In her new book, The Narcissism (2) : Living in the Age of Entitlement, psychologist Jean Twenge of San Diego State University and (3) W. Keith Campbell of the University of Georgia say research shows (4) young people today have "narcissistic traits" than in (5) generations. Such traits, Twenge says, include a very. (6) and inflated sense of self, which is (7) by a preoccupation with MySpace, Facebook and YouTube.

"We’ve been on this self-admiration cultural (8) for a long time," Twenge says. (9) Twenge’s take on today’s young people isn’t universal. Studies by other researchers, including Canadian (10) Dr. Kali of the University of Western Ontario, have used the same data but found (11) results. "They put a different (12) on it," Kali says.

Twenge’s studies have found more narcissistic traits and a (13) rate of increase among college students today, but Kali found that students’ narcissism was (14) greater in 2006 than in 1976. Twenge’s most recent paper studied the same data as Kali--more than 20 000 college students from 2002 to 2007. (15) researchers used the Narcissistic Personality Inventory to measure narcissistic (16) and findings by both have been (17) in peerreviewed journals.

Twenge’s book (18) just a month after The Mirror Effect : How Celebrity Narcissism Is Seducing America, a book co-written by behavioral (19) Drew Pinsky, (20) suggested that a celebrity-obsessed culture is causing more narcissism.

3（）

A.co-author

B.patient

C.leader

D.officer
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