1、Unittwo,Howoftendoyouexercise?1.not…atall一点儿也不 ;根本不;2. hardly ever 几乎从不 ;=almostnever;hardly(adv.)几乎不;位于“实前系后”,否定含义,反意疑问句附加句,用肯定形式;3. junk food 垃圾食品; healthyfood 健康食品;4. surf the Internet 上网,浏览因特网 ;=goonline;surf 冲浪;5.usetheInternet上网;useoftheInternet 网络的使用;ontheInternet在因特网上;通过互联网;6.goonl
2、ine 上网(强调动作); beonline 在上网(强调状态);7. a healthy lifestyle 健康生活方式 ; begoodformyhealth 对我的健康有好处8. bein good health 身体健康=behealthy ;bein bad health 身体不健康=be in poor health; 9. health (n.)healthy (adj.) ;反义词是unhealthy;另外healthily(adv.);反义词是unhealthily;10. keep in good health 保持健康 11. ke
3、ep healthy 保持健康= stay healthy =keepfit ;keepawayfrom远离;keepupwith跟上;keepoff使让开;keeptherecord保持记录;Keepquiet保持安静=Bequiet;12.behealthyforsth.有益于…健康;themindandthebody身心;behealthyforthemindandthebody有益于身心健康;13. pretty healthy 相当健康=smart;14. once or twice a week 每周一两次 ;onceaweek =onetimeaweek 一周一次;ato
4、nce立刻、马上;onceagain再一次;onceinawhile偶尔地;15. ten oreleven times 十到十一次;onetofourtimes一到四次;afewtimes几次;16. eating habits 饮食习惯 ;goodhabits 好习惯; badhabits 坏习惯; 17.oldhabitsdiehard旧习难改18. be goodfor 对…有益 ; bebadfor 对…有害;请区分:be goodfor ;be goodto;be goodwith(善于应付,相处融洽);be goodat;18.befree=benotbusy=havet