6、ns:1TheThreeGorgesDamhascausedthedisappearanceofmanytownsandvillages.Whatdoyouthinkaboutthis?2HastheThreeGorgesDamaffectedthelivesofpeopleinyourareaoranyoneyouknow?→Step3ListeningandvocabularyActivity1Listenandtickthesubjectsthatyouhear.afilmaboutadam amapofChina theYangtzeRivertheGrandCanal stu