基本轨垂直磨耗超过（）毫米时应及时修理。A.4 B.6 C.8 D.10

读下图，回答问题。(12分)

（1）图中所画的甲、乙两支流，不能发展成河流的是     ，理由是                。

（2）图中河流干流的流向是__________。

（3）如果AB的图上距离为2.5厘米，实际距离为500千米，则该图的比例尺为_______，A点与B点的相对高度为       米。

（4）若该地夏季盛行东南风，从地形考虑，则C、D两地降水量较大的是___________ 。

根据现行《企业会计准则》，不应列入流动负债的有（）。

A.应交税金

B.应收账款

C.应付款项

D.短期投资

E.应付债券

在一张变电工作票中，工作票签发人、工作负责人和工作许可人三者不得互相兼任。

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.

6（）

A.passive

B.rational

C.negative

D.positive

调合喷嘴仰角的计算公式为（）。