单项选择题 Company A exported 5 metric tons of tea. The tea suffered heavy storm in transit. The sea water in the ship's hold led to the deterioration in the quality of part of the tea exported. This kind of loss is (    ).

多项选择题 项目决策必须遵循的原则是（ ）。

单项选择题 徐长卿的气味特征为 A、气香，味微辛凉 B、气淡，味微苦辛 C、气香，味苦 D、气香，味微辛 E、气淡，味苦