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“亢则害，承乃制”说明了五行之间的什么关系()
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对于四行程内燃机而言，对应一个活塞行程，曲轴旋转（）。
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节点节省能量的最主要方式是（）
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《全民健身计划纲要》产生的社会文化背景是什么？
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延髓、脑桥和小脑的共同室腔为（）
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新股东以不低于净资产价格收购股权的，企业原盈余积累已全部计入股权交易价格，新股东取得盈余积累转增股本的部分，不征收（）。
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用户与装备制造企业都相对集中，创新应以用户为主导，用户在购买和供应方面具有很强的控制能力和创新引导力，发挥其创新主导作用，对于降低创新风险，提高创新效率，推动创新成果产业化至关重要。
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Today ,as in every other day of the year ,more than 3000 U.S. adlescents will smoke their first cigarette on their way to becoming regular smokers as adults. During their lifetime,it can be expected that of these 3000 about 23 will be murdered,30 will die in traffic accidents, and nearly 750 will be killed by a smoking-related disease. The number of deaths attributed to cigarette smoking outweithts all other factors, whether voluntary or involuntary, as a cause of death. Since the late 1970s, when daily smoking among high school seniors reached 30 precent , smoking rates among youth have declined . While the decline is impressive ,several important issues must be raised. First, in the past several years,smoking rates among youth have declined very little. Second,in the late 1970s ,smoking among male high school seniors exceeded that among female by nearly 10 percent . The statistic is reversing.Third ,several recent studies have indicate high school dropouts have excessively high smoking rates, as much as 75 percent . Finally, thouth significant declines in adolescent smoking have occurred in the past decade,no definite reasons for the decline exist. Within this context,the Naional Cancer Instiute (NCI) began its current effort to determine the most effecive measures to reduce smoking levesl among youth. By "dropout" the author means（）.
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处理交通事故时，事故当事人有下列哪项义务（）。
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将配合料经高温加热熔融成名于成型要求的玻璃液的过程称为（）。