为防止肠道传染病发生,蔬菜、瓜果可选用的最佳消毒剂是
A. 84消毒液
B. 过氧乙酸
C. 碘酒
D. 乙醇
E. 新洁而灭
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ABC会计师事务所接受委托对W公司(化工企业)的2007年度财务报表审计,项目负责人为张敏,在了解被审计单位及其环境中遇到下列若干问题,请代张敏做出判断。 注册会计师对不同行业状况、法律环境与监管环境以及其他外部因素了解的范围和程度会因为被审计单位所处行业、规模以及其他因素的不同而不同。对于W公司而言,张敏最可能将了解的重点放在( )方面。
A. 宏观经济走势
B. 货币、财政方面的政策调整
C. 市场和竞争
D. 相关环保法规
某单位新引进的仪器测得值偏高,用标准仪器校正,对10个样本测得值如下:新仪器 11.2 12 3 15.6 14 8 16.8 16.7 10.5 13.6 15.4 12.5标准仪器10.9 11.2 13.5 14 2 16.5 15.6 10.4 12.5 15.2 12.0 用何种统计方法分析两种仪器的测量值有无关系
A. t检验
B. 秩和检验
C. 卡方检验
D. 标准化法
E. 回归与相关
The disease, which attacks the brain and is always fatal, entered the food chain when cattle were fed the ground-up brains and spinal cords of slaughtered sheep and other animals contaminated with the disease. Fast food’’s bad effect doesn’’t end with fears of beef contamination. Critics in the U.S. also tag all those sacks of burgers and flies with helping to 【1】 another serious health problem: obesity. Currently about 44 million American adults are obese; another 6 million are 【2】 "super-obese"—more than 100 pounds overweight. The CDC found that in 1991, only 4 states had obesity 【3】 higher than 15 percent, but by last year the number had 【4】 to 31 states. In every state, obesity was increasing in all age 【5】 . And today’’s teens, the agency says, are three times more likely to be overweight than teens in the 19【10】s. Though no study has yet established a 【6】 link between fast food and obesity rates, the expansion of fast-food chains 【7】 to be accompanied by rising waves of fat. In China, the number of overweight teens 【8】 . At the same time, similar weight 【9】 occurred in Japan and Great Britain 【10】 fast-food chains expanded in those countries.
A. considered
B. thought
C. regarded
D. seen
注册会计师在对某客户审计过程中,收集到下列四组审计证据:(1)销售发票与购货发票;(2)审计助理人员监盘存货的记录与客户自编的存货盘点表;(3)审计人员收回的应收账款函证回函与询问客户应收账款负责人形成的记录;(4)银行存款余额调节表与银行存款函证的回函。要求:请分别说明每组审计证据中的哪项审计证据更为可靠为什么