坚持有责必问、问责必究,把()、目标考核、责任追究有机结合起来,形成法规制度执行强大推动力。
A、廉洁教育
B、监督检查
C、群众举报
参考答案:B
---- Why does the river smell terrible?
---- Because large quantities of water______.
A.have been polluted
B.has polluted
C.has been polluted
D.have polluted
简述氮在钢中的不良影响。