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为了解在校生对学校广播节目的评价,某高校学生会从1200名学生合住的200间宿舍中随机抽取15间,对学生进行问卷调查。这样的抽样方法是( )。

A. 简单随机抽样
B. 系统随机抽样
C. 分层随机抽样
D. 整群随机抽样

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Styles of Dress as Reflections of Social Conditions Something that becomes very apparent when we study the topic of fashion is that clothes and style are related to so much more than merely an individual’s appearance. For thousands of years, fashion and style have been primary indicators about a person’s social status, sexuality, wealth, individuality, and overall personality attributes. In the 20th century alone, each decade has been marked by distinctly different manners for dres "hippie." With deeper consideration, however, these differing fashion styles can be viewed as representative of the related social conditions occurring at the time. As stated by Pasacoe, "The fashion of the 1920’s reflected the Jazz Age perfectly. It was made for fast automobiles and Charleston dance. For the first time in western fashion the knee was socially acceptable." Although there are many theories regarding what causes fashion to change, the fact that social climate is reflected in styles of dress has a great deal of support. Perhaps the reason why so much change occurred in women’s dress in the early decades of the century is that so many changes occurred regarding women’s roles and fights within that same time frame. Another decade in which fashion was strongly indicative of the underlying social conditions is the turbulent 1960’s. One of the most noted developments accredited to this decade is the introduction of the miniskirt. Many social historians relate the introduction of the miniskirt to the introduction of the birth control pill. Women became sexually liberated and the "free love" era began. These miniskirts came to symbolize the new liberation for women and the social climate of the decade. As stated in Vogue at the end of the decade, "The length of your skirt is how you feel this moment." Towards the end of the 1960’s, younger generations were rejecting the establishment and rejecting the idea of high fashion along with it. Students wore long hair, faded denim jeans, and flamboyant patterns. Many wore combat jackets and surplus shirts to anti-war rallies. As Hoeymaker stated, "By the end of the decade, cheap, flamboyant clothes became expensive designer labels. The hippie style became high fashion; in fact ’anti-fashion’ became the biggest fashion of all." In this case, clothes became a form of protest. Overall, there are countless examples of how fashion is influenced by the social climate of the times. Over the past thousands of years, the socially "appropriate" styles of dress for men and women have varied tremendously. Regardless of what exactly constituted "stylish" fashion during any given time period, one thing that remains constant is that fashion has always been a significant aspect of one’s life and the time in which they lived. Sentence Outline

Some people enjoy playing sports individually while others love to play in groups. Which do you prefer Write a 300-word expository essay stating your reasons.

会计从业资格管理机构自受理之日起______日内作出是否颁发会计从业资格证书的决定;______日内不能作出决定的,经会计从业资格管理机构负责人批准,可以延长______日,并应当将延长期限的理由告知申请人。

A. 10,10,5
B. 20,20,10
C. 20,20,5
D. 10,10,10

治疗小儿腹泻气阴两伤证,应首选的方剂是

A. 知柏地黄丸
B. 附子理中汤
C. 生脉散
D. 六味地黄丸
E. 人参乌梅汤

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