混合图Task 1Environment·PollutionThe charts below give information about different types of waste disposal in one country in 1960 and 2011.写这篇作文查看 1 篇同题作文→
混合图Task 1Water·PollutionThe diagram below shows nitrogen sources and concentration levels in the groundwater of a coastal city.写这篇作文查看 1 篇同题作文→