SectionB-2(2a-Selfcheck)Reading:Read2baccordingtoElisteningthencorrectthepronunciation.Speaking:Retelltheimportantsentencesin2b.Writing:3bReadthisletterfromafriendandwriteareplyforLiLing.Exercises:一、漢譯英1得到足夠的睡眠很重要。2顯然我們睡的越少，在日常生活中表現(xiàn)得就越差。3研究人員發(fā)現(xiàn)一天睡兩次覺(jué)可能更健康。4得不到足夠的睡眠對(duì)我們大腦的工作能力有嚴(yán)重的影響。5我們需要的睡眠的數(shù)量因人而已。二、閱讀理解Thisisnotadiet.It'sasimplewaytoloseweight.Andyoudon'tevenhavetogiveupthefoodyouloveorjoinagym.Youjustfollowsomehabitsthatthinpeoplehave.Keepthem,andyou'llbecomethin.Wake-upWhenyouwakeupinthemorning,situpslowlywithoutusingyourhands.Withlegsstraightout,bend(彎曲)forwarduntilyoufeelsoreinyourback.Itwillburnabout10calories(熱量單位：卡路里).StartwithsoupWhenyouhaveameal,orderaclearsoup,andhaveitbeforehavingthemainfood.Inthisway,you'llfeelfuller,soyoulleatlesswhenthemainfoodcomes.Anapple(ormore)adayApplesarefulloffiber(纖維)andwater,soyourstomachwillwantless.Thestudyshowsthatpeoplewhoeatatleastthreeapplesadayloseweight.StandupandwalkaroundEverytimeyouusethemobilephone,standupandwalkaround.Heavypeoplesitonaverage(平均)twoandahalfhoursmoreeachdaythanthinpeople.Thisskillisveryimportantasstandingupandwalkingaroundwillburn50ormorecalories.Usetheseskills,andyouwillhaveabigweightloss.根據(jù)短文內(nèi)容，選擇最正確答案。)1.Whatshouldwehavefirstifwewanttoeatlessmainfood?A.IcecreamB.Soup.C.Salad.D.Cheese.)2.Whydoeseatingapplesmakeone'sstomachwantlessfood?Becauseapplesarefulloffiberandwater.Becauseapplesaresour.Becauseapplesaredelicious.Becauseonlyapplesarefilledwithcalories.)3.Whichofthefollowingmaytheauthordisagree?Sittingupslowlywithoutusingyourhandshelpsburncalories.Eatingappleseverydayisgoodforpeople'shealth.Youhavetojoinagymifyouwanttoloseweight.It'sgoodtowalkaroundwhiletalkingonthemobilephone.()4.What'sthepurposeofthepassage?Togivesomeadviceonhowtoloseweight.Toadvicepeopletoeatappleseveryday.Totellpeoplehowtoenjoyabetterlife.Toadvicepeopletogiveupbadhabits.()5.Inwhichpartofanewspaperwouldyoumostprobablyreadthepassage?A.Shopping.B.Teaching.C.Family.D.Health.Answer：一、1It'simportanttogetenoughsleep.Ifsclearthelesswesleep,theworseweperformineverydaylife.Researchershavefoundthatitmaybehealthiertosleeptwiceaday.Notgettingen