Unit 5 First aidI. 单元教学目标 技能目标Goals Talk about first aid and medicinePractice expressing giving instructionsLearn about EllipsisPractice instructional writing: first aid instructions for particular injuriesII. 目标语言 功能句式Expressing instructionsGive others your positive suggestions or orders.We/you should/ ought to Please doMake sureYou must/have to/ought toYou must neverYou ought never toGive others your negative suggestions or orders.