以下对室性心动过速诊断最有价值的是（）。 A.心室率>150次／分 B.QRS波群宽

任意两个合数都不是互质数．______．（判断对错）

下列各组指定的元素，不能形成AB₂型化合物的是（   ）

A．2s²2p²和2s²2p⁴

B．3s²3p⁴和2s²2p⁴

C．3s²和2s²2p⁵

D．3s¹和3s²3p⁵

工业销售产值不含半成品在制品期末期初差额价值，而工业总产值包括这部分的价值。

关于原发性肝癌研究描述错误的是（）

A.大肝癌规则性切除使5％～10%肝癌患者受益

B.甲胎蛋白普查使5％～10%肝癌患者受益

C.影像学进步使5％～10%肝癌患者受益

D.TACE是不能切除肝癌的首选疗法

E.PEI是不能切除小肝癌首选疗法

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.

19（）

A.amateur

B.fan

C.expert

D.enthusiast