Unit 15 We’re trying to save the manatees!

unit 15   we’re trying to save the manatees!i．learning objectives教学目标skillfocus▲listen and talk about animals▲show disagreement and agreement▲learn to describe animals▲review the tenses and use them freelylanguagefocus 功能句式show disagreement and agreement (p120)i think that animals should not live in zoos.i disagree with you. / i agree with you.talk about what we can do for the world (p121, p123)stop riding in carsdon’t use paper towels or napkinsrecycle books and paper—how do you feel about ... —it makes me ...—what are three things you are supposed to do?词汇1. 重点词汇pound, discover, expression, pull,  planet, society, model,  raise2. 认读词汇manatee, furry, enormous, playful, aggressive, gray, spotted, kangaroo, chimpanzee, cheetah, mangrove, swamp, habitat, aquatic, underwa