... 4ɑ (5 67& (5 68 Thursday, December 25th , 2008 1.Learn by heart all new words2.Prepare the next period of the lesson Ecotour activitiesTheir effects 9 :::::;::::::<::=+::> ... walking in the forestA lot of tourists are takingboats along a cannal( river) -Buying objects made from endangered species Buying objects made from endangered species ( ivory, coral, ... I. Pre -Listening 1. Vocabulary: !"#$%& !' () * +ɔ'&,...