M12 Unit 1 What should we do before help arrives?导学目标1. 掌握并正确运用下列单词和词组: broken, glass, stairs, aid, first aid, medical, imagine, bottom, at the bottom of, wrong, What’s wrong with, trouble, lift, lift up, harmful, drop, training, make sure, cover.2.掌握基本的急救措施。自...