生物接触氧化池的污水在池内的有效接触时间不得少于______h。
A.1 B.2 C.3 D.4
参考答案:B
Having a cell phone makes us feel safer,since we can call for help an emergency. [ ]
A. in terms of
B. in eonsequence of
C. in case of
D. in place of
《刑事诉讼法》规定,严禁()和以威胁、引诱、欺骗以及其他非法方法收集证据。
A.侮辱人格
B.有罪推定
C.刑讯逼供
D.殴打谩骂