Module 5 Great people and Great Invention_第一课时_省级一等奖
Module 5 Great people and Great Invention_第一课时_省级一等奖
Module 5 Great people and Great Invention_第三课时_省级一等奖
Module 5 Great people and Great Invention_第一课时_县级一等奖
Module 5 Great people and Great Invention_第一课时_优质课
Module 5 Great people and Great Invention_第一课时_优质课
Module 5 Great people and Great Invention_第一课时_优质课