皮皮学，免费搜题
登录
搜题
【单选题】
有关活性污泥的中,下列不正确的是:A.
好氧活性污泥是由多种多样的好氧微生物和兼性厌氧微生物与其吸附的有机和无机固体杂质组成。
B.
活性污泥含水率在99%左右，密度为1.002-1.006，具有沉降性能，同时在曝气条件下又可均匀分布与整个。
C.
活性污泥具有生物活性，可将废水中的大分子物质水解为小分子，进而吸收到体内而被氧化分解。
D.
活性污泥絮粒的比表面积大，具有强的吸附性；呈弱酸性，当进水改变时，对进水pH的改变有一定的承受能力。
E.
以上叙述都不正确
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】In preparing a company's statement of cash flows complying with IAS 7, which, if any, of the following items could form part of the calculation of cash flow from financing activities?1. Proceeds of sa...
A.
1 only
B.
2 only
C.
3 only
D.
none of the above
【简答题】是帕金森病患者最常见的自主神经障碍
【单选题】How did the ECB’s Security Market Program acquire Greek, Irish and Portuguese government bonds in 2010-2011?
A.
By buying those bonds from those governments
B.
By buying securities backed by those government bonds and foreclosing on the bonds when the securities were not paid
C.
By buying the bonds on the secondary markets
D.
By loaning money to private companies which bought the bonds and then used the government bonds to repay the loans
【单选题】Isn't it the time that the government _____ measures to prevent the environment from getting worst? [ ]
A.
take
B.
takes
C.
took
D.
will take
相关题目：