（）是指生产经营性项目投产后，用于购买原材料、燃料、支付工资及其他经营费用等所需的周转资金。
A. 设备及工器具购置费
B. 流动资金
C. 工程建设其他费
D. 基本预备费
王涛的爷爷比奶奶大2岁，爸爸比妈妈大2岁，全家五口人共200岁。已知爷爷年龄是王涛的5倍，爸爸年龄在四年前是王涛的4倍，则王涛今年是多少岁( )
A. 12
B. 13
C. 14
D. 15
From the passage we can conclude that the US has come to realize ______ .
A. the weakening of the US dollar can result in trade deficits
B. the lower the retail prices, the greater in profits
C. tourism can make great, contributions to its economy
D. visitors to the US are wealthier than US tourists abroad
“气盛则身以前皆热”的经脉是
A. 手少阴心经
B. 任脉
C. 冲脉
D. 足阳明胃经
E. 足太阴脾经
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