Unit 7 Teenagers should be allowed to choose their own clothes一重点短语1. choose their own clothes选择自己的衣服2. be serious about对认真，严肃 3. care about担心4. eight hours sleep八小时的睡眠 5. drivers/driving license驾照6. instead of doing sth代替做某事 7. wear uniforms穿校服8. be good for对有益 be bad for对有害 9. a fifteen-year-old boy一个15岁的男孩10. talk back回嘴，顶嘴 11. volunteer to do sth志愿做某事12. make my own decision 做自己的决定13. old peoples home养老院14. the importance of 的重要性 15. make sure确保16. a professional runner一个专业的赛跑者17.keepaway from远离 get in the way of挡路;妨碍18. stay up 熬夜 19. a part-time job兼职20. be strict with sb. 对某人严厉 be strict in sth对某事严厉二重点句型1She is a sixteen-year-old girl.=She is sixteen years old.2. allow sb. to do sth. 允许某人做某事（主动语态）be allowed to do sth. 被允许做某事（被动语态）Mother allows me to watch TV every night. LiLy is allowed to go to America. 3. get their ears pierced 穿耳洞让/使（别人）做某事 get sth. done(过去分词) have sth. doneI get my hair cut. = I have my hair cut. 4. enough 足够形容词enough 如：beautiful enough足够漂亮 enough名词如：enough food 足够食物 enoughto 足够去做例：I have enough money to go to Beijing. 我有足够的钱去北京。 She is old enough to go to school.她够大去读书了。5. stop doing sth. 停止做某事Please stop speaking.stop to do sth. 停止下来去做某事Please stop to speak.6. 系动词用法：系动词+adj常用的系动词有：look, feel, be, become, get, turn, smell, taste, stay(保持), kept等。连系动词除be和become等少数词可接名词作表语外，一般都是接形容词。例：They are very happy. He became a doctor two years ago. She felt very tired. The grass turns green.7. get in the way of 碍事，妨碍 如： Her social life got in the way of her studies.8. also 用于句中 I also like apples. either用于否定句句末 I dont like apples, either. too 用于肯定句句末 I like apples, too.