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题目：
单选题
A调查性误差
B一定可靠程度下的抽样误差可能范围
C最小抽样误差
D等于抽样平均误差
答案：
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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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副溶血弧菌所致细菌性食物中毒的主要污染食品来自（）
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未经依法批准，擅自生产、经营、储存危险物品的，责令停止违法行为或者予以关闭，没收违法所得。()
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某宗房地产的收益年限为无限年，预计其未来第一年的总收益和总费用分别为30万元和8万元，此后每年的总收益和总费用会在上一年的基础上增加2%，该类房地产的报酬率为10%，则该宗房地产的收益价格为275万元。（）
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甲公司2009年12月31日从银行借入资金100万元，用于购置大型A设备。借款期限为3年，年利率为5%（实际利率与合同利率一致），每年支付一次利息（每年计提），到期还本。款项已存入银行。2010年1月1日，甲公司收到购入的A设备，并用银行存款支付设备价款84万元（不含增值税，增值税率17%）。A设备安装调试期间发生安装调试费16万元，于2010年12月31日投入使用。该设备预计使用年限为5年，预计净残值率为5%，采用双倍余额递减法计提折旧。2012年12月31日，甲公司以银行存款归还借款本金和2012年的利息。2012年12月31日，甲公司因转产，将A设备出售，收到价款45万元，存入银行。另外，甲公司用银行存款支付清理费用0.2万元。（不考虑借款存入银行产生的利息收入）要求：根据上述资料回答下列第（1）～（4）题。根据上述（6）～（9）交易或事项，下列会计处理中，正确的是（）。
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腹部闭合性损伤时，提示有内脏损伤的是（）。
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根据动词的情状，可分为()。A.静态动词B.持续动词C.终结动词D.及物动词
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混合痔的好发部位是（）
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根据1968年国际实用温标的规定，基准铂电阻温度计的纯度R100/R0应不小于（）；工业用的纯度R100/R0应不小于（）。