【正文】
Unit 1 Section B Period 1 (1a — 1d) When these accidents happen, what should you do? nosebleed hurt his back When these accidents happen, what should you do? cut his knee When these accidents happen, what should you do? sick When these accidents happen, what should you do? When these accidents happen, what should you do? get hit on the head When these accidents happen, what should you do? cut herself Nowadays there are a lot of unexpected accidents. What do you need to do when these accidents happen? What should you do if you find … ★ a person fall off t