精选优质文档-倾情为你奉上Book 1 Unit 1 FriendshipPart 1 课文知识点归纳专心-专注-专业1. add up 把加起来2. be upset about / at sth. 对而感到不安3. be ignorant 不知道, 没意识到4. calm down (使)平静, (使)镇定5. have got to 不得不, 必须 = have to / must6. be concerned about 关心,挂念7. go through 经历, 经受8. set down 记下, 放下, 登记9. a series of 一连串, 一系列, 一套10. on purpose 故意11. in order to 为了12. at dusk 在黄昏时刻13. face to face 面对面14. no longer / notany longer 不再15. tie up 绑, 包扎16. take no notice of 不注意17. su
