煤矿要努力要构建通风可靠、抽采达标、监控有效，管理到位的瓦斯综合治理工作体系。
参考答案：对
This is an interesting book that ______ me a long time to finish.[ ]
A. take
B. has taken
C. takes
D. have taken
提出“五育并举”教育主张的近代中国教育家是 ( )
A．蔡元培
B．梁启超
C．陶行知
D．康有为
