题目内容

以下关箱状固位形的说法哪个不确切

A. 其固位力主要取决于洞的深度和形状
B. 洞深应在2mm以上
C. 洞底一定要预备成一个平面
D. 洞壁要与就位道一致
E. 洞壁可外展2°~5°

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Internet data shows that American younger adults have become the primary group mad about altering their personal appearance. Once the realm of the well-to-do female in her fifties, plastic surgery has become the attraction of the least rich【C1】______of younger Internet users. Search data【C2】______this phenomenon. One of the most popular sites visited from the search【C3】______"plastic surgery" is the【C4】______site of the American Society of Plastic Surgeons. Over 25% of visitors to the site fell【C5】______the 18- to 24-year-old demographic—that"s up from 19.6% two years【C6】______ . Looking at other health related sites visited by 18- to 24-year-olds,【C7】______just how mad this age group is about appearance.【C8】______their older counterparts who visit sites related to【C9】______and keeping healthy, younger Internet users【C10】______to sites that dwell on personal appearance, such as those【C11】______on bodybuilding, weight loss and skincare. And 【C12】______plastic surgery. But if we track the trend in searches on topics such as "breast implants" or "plastic surgery," there has been a steep【C13】______in all plastic surgery topics over the last year. What"s【C14】______this downturn It may very well be related to the failing U.S. economy and the【C15】______ income group of visitors to cosmetic surgery sites—U.S. households that【C16】______less than $30,000 per year. In fact, if we look at the search patterns around popular surgeries, over the last year the term "cost" is the most【C17】______appearing qualifier. We see more searches such as "breast implant cost" and "plastic surgery cost".【C18】______older demographics continue to search for information on procedures such as face-lifts, it"s the younger Internet users who in tough【C19】______times are focusing on improving their outer beauty, although at a(n) 【C20】______price. 【C9】

A. diseases
B. surgeries
C. artworks
D. crafts

十八届三中全会指出,全面深化改革,必须高举中国特色社会主义伟大旗帜,进一步解放思想。解放思想是发展中国特色社会主义的一大法宝,其原因是______

A. 解放思想是党的思想路线的本质要求,是实现实事求是的前提条件
B. 解放思想是不断深化改革开放的基本要求
C. 解放思想是马克思主义中国化理论成果的精髓
D. 解放思想是建设和发展中国特色社会主义的思想保证

否定马克思主义的科学性、丢掉老祖宗是错误的、有害的;教条式地对待马克思主义,也是错误的、有害的。理论创新必须要坚持正确的方向和思想方法,需要注意的是______

A. 并非任何标新立异的观点都是理论创新
B. 适合某些西方发达国家历史发展条件的理论观点可以简单照抄
C. 不能离开本国实际和时代发展来谈马克思主义,孤立地、静止地研究马克思主义
D. 需要批判地继承和吸收中国传统文化和外国文化的积极因素

毛泽东指出,近代中国社会的基本特点是______

A. 封建时代自给自足的自然经济被破坏,但是依然保持着封建剥削制度,在中国社会经济生活中仍占着显著的优势
B. 民族资本主义有了一定的发展,但它没有成为中国社会经济的主要形式
C. 封建势力是中国最反动最腐朽的势力,是帝国主义统治中国的主要工具和社会基础
D. 中国经济、政治和文化的发展表现出极端的不平衡

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