因故停风巷道瓦斯浓度超过1.0％，但不超过（ ）%时，由通风部门值班领导制订措施，由瓦斯检查作业人员按措施要求排放。
A
暂无解析
We______theseminarsponsoredbyyouinSeptemberlastyear.
Onaverageabout￡5000ayearisspentoneachprivateschoolpupil,_______theamountspentonstateschoolpupils.
______thenewplancanbecarriedoutwillbediscussedatthemeetingtomorrow.