生活性“三废”是指( )
A.污水、垃圾、粪便B.废气、废水、垃圾C.废水、废气、废渣D.废水、废渣、垃圾E.废水、垃圾、粪便
参考答案:A
I don't think the experiment is ________ failure. At least we have gained ________ experience.[ ]
A.a; an
B.a; /
C./; an
D./; /
根据有机物降解数学模型可知,水温升高,有机物降解速率提高。