Questions 46-55 are based on the following passage.

　　Beauty and Body Image in theMedia

　　A. Images of female bodies are everywhere. Women—and their bodyparts--sell everything from food to cars.Popular film and television actressesare becoming younger, taller and thinner. Some have even been known tofaint onthe set from lack of food. Women's magazines are full &articles urging thatif they can just lose thoselast twentypounds, they'll have it all—the perfect marriage, loving children, great sex,and a rewarding career

　　B. Why arc standards of beauty being imposed on women, the majorityofwhom are naturally larger and moremature than any of the models? The roots,some analysts say, are economic. By presenting an ideal difficult toachieve andmaintain, the cosmetic and diet product industries arc assured of growth andprofits. And it's noaccident that youth is increasingly promoted, along withthinness, as an essential criterion of beauty. If not allwomen need to loseweight, for sure they're all aging, says the Quebec Action Network for Women'sHealth inits 2001 report. And, according to the industry, age is a disasterthat needs to be dealt with.

　　C. The stakes are huge. On the one hand, women who are insecure about their bodies arc more likely tobuybeauty products, new clothes, and diet aids. It is estimated that the dietindustry alone is worth anywherebetween 40 to 100 billion (U.S.. a year selling temporary weight loss (90% to 95% of dieters regainthe lostweight.. On the other hand, research indicatesthat exposure to images of thin, young, air-brushed femalebodies is linked todepression, loss of self-esteem and the development of unhealthy eating habitsin womenand girls.

　　D. The American research group Anorexia Nervosa & Related EatingDisorders, Inc. says that one out of everyfour college-aged women usesunhealthy methods of weight control--including fasting, skippingmeals,excessive exercise, laxative (泻药. abuse, andself-induced vomiting. The pressure to be thin is also affectingyoung girls:the Canadian Women's Health Network warns that weight control measures are nowbeing takenby girls as young as 5 and 6. American statistics are similar.Several studies, such as one conducted by MarikaTiggemann and Levina Clark in2006 titled "Appearance Culture in 9- to 12-Year-Old Girls: Media andPeerInfluences on Body Dissatisfaction," indicate that nearly half of allpreadolescent girls wish to be thinner, andas a result have engaged in a dietor are aware of the concept of dieting. In 2003, Teen magazine reported that35percent of girls 6 to 12 years old have been on at least one diet, and that 50to 70 percent of normal weightgirls believe they are overweight. Overallresearch indicates that 90% of women are dissatisfied with theirappearance insome way. Media activist Jean Kilbourne concludes that, "Women are sold tothe diet industryby the magazines we read and the television programs we watch,almost all of which make us feel anxiousabout our weight."

　　E. Perhaps the most disturbing is the fact that media images of femalebeauty are unattainable for all but a verysmall number of women. Researchersgenerating a computer model of a woman with Barbie-doll proportions,forexample, found that her back would be too weak to support the weight of herupper body, and her bodywould be too narrow to contain more than halfa liverand a few centimeters of bowel. A real woman built thatway would suffer fromchronic diarrhea ( 慢性腹泻. and eventually die frommalnutrition. Jill Barad,President of Mattel (which manufactures Barbie., estimated that 99% of girls aged 3 to 10 years old own atleast oneBarbie doll. Still, the number of real life women and girls who seek asimilarly underweight body isepidemic, and they can suffer equally devastatinghealth consequences. In 2006 it was estimated that up to450,000 Canadian womenwere affected by an eating disorder.

　　F. Researchers report thatwomen's magazines have ten and one-half times more ads and articlespromotingweight loss than men's magazines do, and over three-quarters of thecovers of women's magazines include atleast one message about how to change awoman's bodily appearance--by diet, exercise or cosmetic surgery.Television andmovies reinforce the importance of a thin body as a measure of a woman's worth.Canadianresearcher Gregory Fouts reports that over three-quarters of the femalecharacters in TV situation comedies areunderweight, and only one in twenty areabove average in size. Heavier actresses tend to receive negativecomments frommale characters about their bodies ("How about wearing a sack?" ., and 80 percent of thesenegative comments are followed by cannedaudience laughter.