【简答题】请将下列左右两侧的句子翻译匹配正确。A. A one-or-two-cent fluctuation in exchange rate is not serious, but if it fluctuates more we`ll be in trouble.B. Comparing with other goods of similar quality, I`m sure you`ll find...
【单选题】完全混合活性污泥法处理系统中,污水在曝气池内分布均匀,微生物群体的组成和数量几近一致,各部位有机污染物降解工况相同,因此,有可能对( )进行调整,将整个曝气池的工况控制在最佳状态。