【摘要】· Unit 3 We’re trying to save the manatees! 一 . [话题](Topic) Debate an issue. 二 .[重点词组](Key Phrases) 1.be like 2.try to do 3. used to 4. be suitable for 5.be surprised to do 6.care for 7.take care of 8.disagree with 9.ride in cars 10.in one’s spare time 11.raise money 三 .[交际用语] 1. We’re trying to save the manatees. 2. Manatees eat about 100 pounds of fo