谁都会犯错,特别是在计算器或电子表格里处理数字时。计算自己在披萨上花了多少钱是件小事,而医院里管理药品时,一点儿的差错都可能是致命的,那么,怎么来减少误差的出现呢? Med

发表于:2019-01-02 / 阅读(76) / 评论(0) 分类 60秒科学

DUBAI, Jan. 24 (Xinhua) -- The price of the oil hit multi-week highs across the globe Thursday as encouraging China manufacturing data and U.S. labor market news mitigated the IMF chief's forecast that the eurozone would remain in recession in 2013.

发表于:2019-01-07 / 阅读(29) / 评论(0) 分类 英语新闻

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. Everyone makes mistakes, especially when it comes to entering numbers into a calculator or spreadsheet. Its not such a big deal if youre tracking how much

发表于:2019-01-08 / 阅读(42) / 评论(0) 分类 Scientific American(四)月

President Barack Obama is calling on Congress to act swiftly to pass his massive economic recovery package, warning that every day of delay means more Americans lose their jobs, their savings and their homes. On the floor of U.S. Senate Thursday, De

发表于:2019-02-07 / 阅读(55) / 评论(0) 分类 VOA标准英语2009年(二月)

UNITED NATIONS, July 5 (Xinhua) -- Promoting steady recovery of world economy and ensuring adequate resources for development is crucial to international development cooperation, Li Baodong, Chinese permanent representative to the UN, said here on Th

发表于:2019-02-08 / 阅读(36) / 评论(0) 分类 英语新闻

federal n.联邦的,联盟的,联合的 fee n.费,酬金 解析:注意常用复数 【同】cost 【辨析】fee指接受一定的服务支付的相应报酬; cost指生产成本,为某物而花费的

发表于:2019-03-11 / 阅读(95) / 评论(0) 分类 考研英语