27、All the arrangements should be completed your departure.A、prior toB、superior toC、contrary toD、parallel to
举一反三
- All the arrangements should be completed your departure.
- 3) All the arrangements should have been completed _______ to our departure.
- All the arrangements should be completed00a0 00a0 00a0 00a000a0 your departure.
- 一般情况下，生活污水的有机物综合指标BOD5、BOD20、CODcr、TOD和TOC之间的相关关系是（）。 A: CODcr＞TOD＞BOD5＞TOC＞BOD20 B: CODcr＞TOD＞BOD20＞BOD5＞TOC C: TOD＞TOC＞CODcr＞BOD20＞BOD5 D: TOD＞CODcr>BOD20＞BOD5＞TOC
- 【单选题】某种水质比较稳定的污水,BOD 5 、COD Cr 、TOC和TOD按数值大小排序为。 A. TOC＞TOD＞COD Cr ＞BOD 5 B. TOD＞COD Cr ＞BOD 5 ＞TOC C. BOD 5 ＞COD Cr ＞TOC＞ TOD D. BOD 5 ＞COD Cr ＞TOD＞TOC