题目内容
（请给出正确答案）
A.劳动力商品的使用价值是价值的源泉
B.随着劳动力商品使用价值的消失，价值也消失
C.劳动力价值的构成包含着一个历史的和道德的因素
D.劳动力成为商品是货币转化为资本的前提
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更多“劳动力商品在使用价值上的重要的特点是A.劳动力商品的使用价值是价值的源泉B.随着劳动力商品使”相关的问题
B.劳动力商品的价值会转移到新产品中
C.只会创造出新的大于劳动力价值的价值
D.不仅能创造出本身的价值，而且能创造出比它自身价值更大的价值
A．它是价值的物质承担者
B．它是价值存在的前提
C．体现人与物的关系
D．它是价值的源泉，并且是大于其自身价值的价值的源泉
"There are fundamental public health problems, like dirty hands instead of a soap habit, that remain killers only because we can't figure out how to change people's habit," said Dr. Curtis, the director the Hygiene Center at the London School of Hygiene & Tropical Medicine. " We wanted to learn from private industry how to create new behaviors that happen automatically. "
The companies that Dr. Curtis turned to-Procter & Gamble, Colgate-Palmolive and Unilever-had invested hundreds of millions of dollars finding the subtle cues in consumers' lives that corporations could use to introduce new routines.
If you look hard enough, you'll find that many of the products we use every day-chewing gums, skin moisturizers, disinfecting wipes, air fresheners, water purifiers, health snacks, teeth whiteners, fabric softeners, vitamins are results of manufactured habits. A century ago, few people regularly brushed their teeth multiple times a day. Today, because of shrewd advertising and public health campaigns, many Americans habitually give their pearly whites a cavity- preventing scrub twice a day, often with Colgate, Crest or one of the other brands.
A few decades ago, many people didn't drink water outside of a meal. Then beverage companies started bottling the production of far-off springs, and now office workers unthinkingly sip bottled water all day long. Chewing gum, once bought primarily by adolescent boys, is now featured in commercials as a breath freshener and teeth cleanser for use after a meal. Skin moisturizers are advertised as part of morning beauty rituals, slipped in between hair brushing and putting on makeup.
"Our products succeed when they become part of daily or weekly patterns", said Carol Berning, a consumer psychologist who recently retired from Procter & Gamble, the company that sold $76 billion of Tide, Crest and other products last year. "Creating positive habit is a huge part of improving our consumers' lives, and it's essential to making new products commercially viable. "
Through experiments and observation, social scientists like Dr. Berning have learned that there is power in tying certain behaviors to habitual cues through ruthless advertising. As this new science of habit has emerged, controversies have erupted when the tactics have been used to sell questionable beauty creams or unhealthy foods.
According to Dr. Curtis, habits like hand washing with soap______.
A．should be further cultivated
B．should be changed gradually
C．are deeply rooted in history
D．arc basically private concern
A．15小时
B．13.8小时
C．13小时
D．12.8小时
E．12小时
A．各科教学活动
B．共青团、少先队组织的活动
C．班主任工作
D．校会、班会、周会、晨会、时事政策学习
A．经济实现了充分就业
B．总需求大于总供给
C．政府支出等于政府税收
D．经济中存在闲置资源
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