The ministry has pledged to make every effort to meet the basic living needs of those stricken by floods.
The maximum number of people gathering at public venues, including restaurants, will be raised to eight from four.
The meeting acknowledged the performance of the central leading group on disciplinary inspection in 2019 and agreed on its work plan for 2020.
The ministry also said in a statement later on Friday that China has lodged a tariff case against the US with the WTO.
The mayor had postponed reopening the schools twice because of objections from unions that the schools weren't adequately prepared to fight the virus and because of teacher shortages.
The military exercises, which mark the 200th anniversary of the historic Battle of Angostura, will continue through Friday.
江海区得了早泄到哪家医院治疗更好
The ministry is also exploring the possibility of taxing other pollutants, including carbon dioxide, and "when conditions permit, the scope of this law will be broadened", he said.
The meeting stressed giving full play to the institutional advantages of a new-type of system that pools national resources as well as the role of key academies, institutions and colleges which act as national teams. It also called for more efforts to optimize the allocation of scientific research strength and the sharing of resources.
The ministry also called for precautions against disasters such as floods, mudslides, landslides and urban waterlogging.
The ministry also reported that 28 rivers in the provinces of Heilongjiang, Jilin and Liaoning saw water exceeding warning levels.