1.函数y=根号x^2-3x+2的定义域是（）
A、[1,2] B（1,2）C、（-∞，1]∪[2，+∞）D、（-∞，1）∪（2，+∞）
2.在R上定义算式△：x△y=x（1-y），若不等式（x-a）△（x+a）<1对任意实数x恒成立，则实数a的取值范围是（）
A、-1<a<1 B、0<a<2 C、-3/2<a<1/2 D、-1/2<a<3/2
3、△ABC中,a、b、c分别是顶点A、B、C的对边,若满足a=（b+c）/（cosB+cosC），则△ABC是（）
A、等边三角形 B、等腰三角形 C、直角三角形 D、等腰或直角三角形
第1个回答 2011-04-21
Speaking of red-soled shoes the first time almost everyone will think of famous brand shoes Christian Louboutin, because Mr. Louboutin first manufactured in 1992, such a sexy red soles, and become its brand identity. Precise to say the red soles of Christian Louboutin as a "scarlet", each pair of brushes with scarlet soles of shoes so that women like to be magic and unable to stop. According to the British Reuters. "Louboutin is the first to create a red background, Mr. High heels of the person, the defendant's red-soled shoes that consumers will easily lead to other Christian Louboutin high heels, high heels and the confusion and misunderstanding. "Christian Louboutin in 2008, the red soled shoes in the United States registered the patent for the product, thus requiring the same for the YSL boutique luxury compensation of one million dollars,manolo blahnik shoes, while the red-soled shoes to stop production of all commodities, but so far has not had any response to YSL.
Now scarlet soles shoes has become synonymous with luxury, there are some who follow the trend to follow, of which both the big luxury goods such as YSL, there are a lot of cheap fast-selling fashion brands. Christian Louboutin has been to maintain the brand and lot of trouble, as early as 2007, the U.S. fashion brand Oh Deer! To have a similar red-soled shoes because the production was prosecuted. Expensive for boutique luxury Christian Louboutin shoes out of the natural price to sell the same stock, but the nature of a woman determined to pursue the beautiful women of any class will be to find a pair of shoes belonging to his dream, so there is a variety of forms imitation, Oh Deer! to less than one-fifth of the price of Christian Louboutin quickly won the pursuit, if the Oh Deer!'s meteoric rise by the low price, then today the same as the top brands like YSL and then a red background shoes, Christian Louboutin natural jump out to protect their own interests. Favorite actress is none other than Christian Louboutin shoes non-
From An Guen to Mary. Kelly,oil painting reproductions, who is a fan of Christian Louboutin heels, and many celebrities regarded as an important occasion of his shoes and jewelry, Pa Ti. Labelle signed with the company, in her concert and important to wear their shoes. Her favorite is inlaid with diamonds, shallow mouth of casual shoes, strapless, Angelina. Jolie appeared in almost all important occasions are wearing the shoes he designed. In her movie "wanted", she appeared wearing a sexy pair of shoes Luobo Ting female killer,jimmy choo shoes, these beige round toe Luobo Ting shoes are from her collection. Kelly. Minogue album in her video "soulmate" in the Christian Louboutina wearing shoes, accompanied by the piano when she was dancing, and that special shoes are obvious.
相关的主题文章：
gucci women's shoes This summer five most "hot " s
Now scarlet soles shoes has become synonymous with luxury, there are some who follow the trend to follow, of which both the big luxury goods such as YSL, there are a lot of cheap fast-selling fashion brands. Christian Louboutin has been to maintain the brand and lot of trouble, as early as 2007, the U.S. fashion brand Oh Deer! To have a similar red-soled shoes because the production was prosecuted. Expensive for boutique luxury Christian Louboutin shoes out of the natural price to sell the same stock, but the nature of a woman determined to pursue the beautiful women of any class will be to find a pair of shoes belonging to his dream, so there is a variety of forms imitation, Oh Deer! to less than one-fifth of the price of Christian Louboutin quickly won the pursuit, if the Oh Deer!'s meteoric rise by the low price, then today the same as the top brands like YSL and then a red background shoes, Christian Louboutin natural jump out to protect their own interests. Favorite actress is none other than Christian Louboutin shoes non-
From An Guen to Mary. Kelly,oil painting reproductions, who is a fan of Christian Louboutin heels, and many celebrities regarded as an important occasion of his shoes and jewelry, Pa Ti. Labelle signed with the company, in her concert and important to wear their shoes. Her favorite is inlaid with diamonds, shallow mouth of casual shoes, strapless, Angelina. Jolie appeared in almost all important occasions are wearing the shoes he designed. In her movie "wanted", she appeared wearing a sexy pair of shoes Luobo Ting female killer,jimmy choo shoes, these beige round toe Luobo Ting shoes are from her collection. Kelly. Minogue album in her video "soulmate" in the Christian Louboutina wearing shoes, accompanied by the piano when she was dancing, and that special shoes are obvious.
相关的主题文章：
gucci women's shoes This summer five most "hot " s
第2个回答 2011-04-21
C、D、C本回答被提问者采纳
第3个回答 2011-04-21
c
d
c
d
c
