观察下列算式:21=2,22=4,23=8,24=16,25=32,26=24,

题型:选择题

问题:

观察下列算式:21=2,22=4,23=8,24=16,25=32,26=24,……根据上述算式中的规律,猜想22009的末位数字应是

A.2
B.4
C.6
D.8
考点:探索规律
题型:选择题

脓肿的主要特征不包括()。

A.形成速度较慢

B.有波动性

C.触诊无疼痛

D.穿刺液为脓性

E.与周围组织界限清晰

题型:选择题

Celebrity (名人) has become one of the most important representatives of popular culture. Fans used to be crazy about a specific film, but now the public tends to base its consumption on the interest of celebrity attached to any given product. Besides, fashion magazines have almost abandoned the practice of putting models on the cover because they don’t sell nearly as well as famous faces. As a result, celebrities have realized their unbelievably powerful market potential, moving from advertising for others’ products to developing their own.

Celebrity clothing lines aren’t a completely new phenomenon, but in the past they were typically aimed at the ordinary consumers, and limited to a few TV actresses. Today they’re started by first-class stars whose products enjoy equal fame with some world top brands. The most successful start-ups have been those by celebrities with specific personal style. As celebrities become more and more experienced at the market, they expand their production scale rapidly, covering almost all the products of daily life.

However, for every success story, there’s a related warning tale of a celebrity who overvalued his consumer appeal. No matter how famous the product’s origins is, if it fails to impress consumers with its own qualities it begins to resemble an exercise in self-promotional marketing. And once the initial (最初的)attention dies down, consumer interest might fade, loyalty returning to tried-and-true labels.

Today, celebrities face ever more severe embarrassment. The pop-cultural circle might be bigger than ever, but its rate of turnover has speeded up as well. Each misstep threatens to reduce a celebrity’s shelf life, and the same newspaper or magazine that once brought him fame has no problem picking him to pieces when the opportunity appears. Still, the ego’s (自我的)potential for expansion is limitless. Having already achieved great wealth and public recognition, many celebrities see fashion as the next frontier to be conquered. As the saying goes, success and failure always go hand in hand. Their success as designers might last only a short time, but fashion — like celebrity — has always been temporary.

小题1:Fashion magazines today ________.

A.seldom put models on the cover

B.no longer put models on the cover

C.need not worry about celebrities’ market potential

D.judge the market potential of every celebrity correctly小题2:A change in the consumer market can be found today that _______.

A.price rather than brand name is more concerned

B.producers prefer models to celebrities for achievements

C.producers prefer TV actresses to film stars for advertisements

D.quality rather than the outside of products is more concerned小题3:The underlined sentence in Paragraph 4 indicates that any wrong step will possibly ______.

A.decrease the popularity of a celebrity and the sales of his products

B.damage the image of a celebrity in the eyes of the general public

C.cut short the artistic careen of a celebrity in show business

D.influence the price of a celebrity’s products小题4:The passage is mainly about _______.

A.celebrity and personal style

B.celebrity and market potential

C.celebrity and fashion design

D.celebrity and clothing industry

题型:选择题

如图所示,甲、乙两滑轮组吊着同样重的物体,若不考虑滑轮、绳子的重力与摩擦力.则当两个滑轮组都静止不动时,F1:F2=______,若F1=500N,F2=400N时,分别使吊着的物体都升高h米,则这两个滑轮组的机械效率之比是______.

题型:选择题

世界上第一所护士学校成立于

A.1860年
B.1888年
C.1907年
D.1912年
E.1964年

题型:选择题

关于玻璃体脱出和玻璃体脱离,下列说法正确的是().

A.两者为同一种疾病

B.两者疾病性质不同

C.两者在ICD-10中被归类在同一亚目中

D.两者在ICD-9中被归类在不同的亚目中

E.两者在使用中常可互相代替

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