Unit 3 Teenage problems 知识点归纳一、词组、短语归纳Welcome to the unit1.get enough sleep 得到足够的睡眠2.be on （灯、电视等）开着、亮着，上演3.drive sb mad = make sb mad把某人逼疯（go mad 发疯）4.close friends 亲密的朋友5.feel lonely 感到孤单（主观）live alone 独自居住（客观）6.get low marks in exams 在考试中得低分Reading7.how … deal with…=what… do with…怎样处理……8.have no choice but to do sth 除了做某事别无选择9.stay up (late) 熬夜10. stay awake 保持清醒（作表语、宾语补足语）11. imagine (sb) doing sth 想象、设想做某事12. I often doubt whether / if it is worth spending so much time on homework(doubt 在肯定句中接 if / whether 引导的从句)There is no doubt that you can solve the problem by yourself (doubt 在否认句中接 that 引导的从句)13. be (well) worth (doing) sth (很)值得做某事 The Summer Palace is worth a visit 颐和园值得一游 The picture is worth 20 dollars 这张图片至少值二十美元The book is well worth reading /It's well worth reading the book.这本书很值得一读。14. so that 以便，为了（引导目的状语从句，从句中常用情态动词）so + adj /adv + that 如此…以至于…（引导成果状语从句）15. offer sb. sth. = offer sth. to sb. 为某人提供某物16. provide sb with sth = provide sth for sb为某人提供某物17. offer sb some suggestions/ advice= offer some suggestions to me18. offer to do sth 积极提出做某事19. hear from sb.(短暂性动作) = get/receive a letter from sb.（短暂性动作）=have a letter from sb.（延续性动作）收到某人来信20. be crazy about…对…..很着迷21. my love of football 我对足球的热爱22. the cause of ……的原因23. get into trouble 陷入麻烦24. allow sb to do sth容许某人做某事25. be strict with sb 对某人规定严格 be strict in sth 对某事规定严格26. develop our hobbies 培养我们的爱好27. stay out late 呆在外面很晚28. achieve a balance 获得平衡29. valuable ...
