A．心善
B．肝善
C．脾善
D．肺善
E．肾善
重证见“声音响亮，不喘不咳，呼吸均匀，皮肤润泽”，其辨证为

According to the passage, what was a major result of railroad building in the nineteenth century?A．The majority of wealth became concentrated in a few powerful nations.B．Competition increased between private and state-owned companies.C．There was an increase in the demand for an educated workforce.D．Large parts of the world became populated and economically developed. 点击查看答案

贸易后，贸易参与国的福利水平（）。

A．均会改善
B．均会恶化
C．具有比较优势的国家会改善
D．封闭时价格较低的国家会改善

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