【多选题】2017年4月21日,世界最大的学术出版机构之一,施普林格出版社发表撤稿声明,宣布撤回107篇发表于2012至2015年的论文,原因是同行评议造假。论文作者大部分来自国内各大医院,涉及524名医生。正常程序是作者在投稿时需要提供同行评审人的联系方式供期刊编辑联络,但有些医生不了解国外期刊的投稿程序或担心英文翻译的不标准,向第三方公司寻求帮助。而第三方公司在利益驱动下在关键的审稿人一项提供虚拟专家,...
【简答题】Passage Two Installing solar panels on the roof of your home is a big project—but it pays off in more ways than one. There's the obvious environmental benefits, but for many homeowners , the joy comes...
【单选题】Liberty Box Company calculated an indirect-cost rate of $12.50 per labor hour for fringe benefits for use in their normal costing system. At the end of the year, the actual cost of fringe benefits was...
【单选题】The figure shows the market for milk in Cowland. A subsidy paid to producers of $1 per gallon of milk is introduced. If there are no external costs and no external benefits, the marginal cost of the l...
【简答题】某公司发生如下经济业务: 1、银行存款购买材料; 2、用银行存款支付前欠A单位的货款; 3、用资本公积转增资本; 4、向银行借款,款项暂存银行; 5、收到投资者投入的机器; 6、用银行存款归还借款; 7、企业以固定资产向外单位投资; 8、经批准,同意某投资人退还投资,以抵偿B单位欠款; 9、经批准,同意将欠某公司的款项转为投入资本; 10、向投资者分配利润,款项暂未付; 11、同意某投资人抽走资本...
【判断题】植物体内乙烯生物合成的前体物质是蛋氨酸。( )
【简答题】签订合同书面文本时,修改内容()盖章确认 A不能确定 B不应该 C不需要 D应该
【单选题】The Occupational Safety and Health Administration (OSHA) has determined that 100 workers are exposed to a hazardous chemical used in the production of diet soft drinks. The cost of imposing a regulati...