溶剂挥发型涂料会由于下列哪一种原因老化而变脆（）
A.使用了错误的固化剂
B.涂膜失去增塑剂
C.加入溶剂
D.上述所有各项
E.非上述任何项
参考答案：B
化湿药的主治证是（）。
A.水湿内停证
B.淋证
C.湿热黄疸
D.湿滞中焦证
E.带下
The engines of the ship were out of order and the bad weather____ the helplessness of the crew at sea.
A．resulted from
B．turned out
C．made up
D．added to
