男性，50岁，溃疡病史4年，突然呕血3小时入院，查体：病人出冷汗，脉搏118次/分，呼吸30次/分，血压80/45mmHg。
病人失血量估计最低在

设我方以每公吨7800美元CFR中国口岸进口澳大利亚羊毛500包，每包300磅(一磅=0.4536公斤)按发票金额向中国人民保险公司投保一切险及战争险，合计费率0.5％，加工成羊毛毯出口8400平方米，外销每平方米95美元CIF汉堡，查该货按M13级收运费，每尺吗吨104.00美元，总体积75立方米，保险费率合计％1.1，按发票金额加一成投保，试计算外汇增值率。 点击查看答案

It can be inferred from the passage that the author most likely believes which of the following about the transportation revolution of the nineteenth century?A．There will never again be so many developments in transportation in a single century.B．Improvements in transportation had a direct impact on world economics.C．The transportation revolution was part of a worldwide political revolution.D．Technical innovations of that time led to similar inventions in the next century. 点击查看答案