Unit2SectionB2a-2e課件人教版八年級英語上冊

Howoftendoyouexercise?SectionB2a-2eIthinkTinahashealthyhabits.Becausesheeveryday.Shetwoorthree

timesandneverReadandreportaweekSheeveryday.Sheninehourseverynight.Sosheisveryhealthy.Howcanwekeephealthy?Trytoeatmorehealthyfoodandlessjunkfood.Trytoexerciseeveryday.Everyonemustsleep8or9hourseverynight.GroupworkRanktheseactivitiesaccordingtohowoftenyouthinkyourclassmatesdothem(1=mostoften,6=leastoften).2awatchTV gotothemoviesplaycomputergames exerciseorplaysportsusetheInternetgocampinginthecountryLet’sdoasurvey.Whatdoyoudoinyourfreetime?Doingexercise,useoftheInternetorwatchingTV?Whatactivitiesdoyouthinkishealthyforthemindandthebody?Lastmonthweaskedourstudentsabouttheirfreetimeactivities.A.Freetimeactivities.B.School

activities.可以通過文章標題或第一段來預測文章的主要內容。WhatdoNo.5HighSchoolstudentsdointheirfreetime?What’sthepassageabout?Skimming:2b

Para.1Para.4Para.5Para.2Para.3Conclusion（結論.）Topic（主題）WatchingTV.UseoftheInternet.Exercise.方法指導：文章中心句一般可在文章開頭或末尾找到。Scanning:1.What’seachPara.about?2.Whatarethey?ReadPara.1carefully:1.HowmanykindsoffreetimeactivitiesarethereinPara.1?Three.Exercise,useoftheInternetandwatchingTV.A:Whatpercentofthestudentsexercisefourtosixtimesaweek?15202045B:Forty-fivepercentexercisefourtosixtimesaweek.

方法指導：跳讀缺失信息能讓你完成的更快Result1234109021385WhatdomoststudentsdotousetheInternet?2.Whatprogramdomoststudentsliketowatch?Moststudentsuseitforfunandnotforhomework.Moststudentsliketowatchgameshows.12123Doasurveyontelevision:85902131015202045DoyouthinkthestudentsatNo.5HighSchoolarehealthy?Whyorwhynot?everyday

Ioftenexercise.everydayIsometimesexercise.

Ialwaysexercise.everydayIusuallyexercise.Canyoufindouttheirfriends?Iexercise

everyday.Iexercise4-6timesaweek.Iexercise3-4timesaweek.Iexercise1-3timesaweek.2cReadthearticleagainandanswerthequestions.1.Howmanystudentsdonotexerciseatall?2.HowmanystudentsusetheInterneteveryday?3.HowoftendomoststudentswatchTV?Whatdo

theyusuallywatch?20%

studentsdonotexerciseatall.

90%

studentsusetheInterneteveryday.MoststudentswatchTVeveryday.Theyusuallywatchgameshows.4.Whatdoesthewriterthinkisthebestwaytorelax?Why?5.DoyouthinkthestudentsatNo.5arehealthy?Whyorwhynot?Exercise,becauseitishealthyforthemindandthebody.No,Idon’tthinkso.BecausetheywatchTVmoreandexerciseless.2d Writesentenceswithpercentagesusingalways,usually

orsometimes.1.90%:________________________________

2.85%:________________________________

3.45%:______________________________

4.10%:________________________________

5.13%:________________________________

6.2%:________________________________

Ninetypercent

studentsalwaysusetheInternet.Eighty-fivepercentofstudentsalwayswatchTV.Forty-fivepercentofthemusuallyexercise.TenpercentofthemsometimesusetheInternet.ThirteenpercentofthemsometimeswatchTV.TwopercentofthemsometimeswatchTV.1．Herearetheresults.這就是調查結果。here，there置于句首且主語是名詞時，句子要用倒裝結構。here，there后的謂語單復數(shù)與后面的主語一致。【注意】當主語是代詞時，句子不用倒裝。resultn.可數(shù)名詞結果效果asaresult結果asa(或the)resultof由于,相當于becauseofe.g.1).Herearethe

(result).2).Hewaslate

thesnow.由于大雪他遲到了。3.Hegotuplate,_____,hegottoschoollatethismorning.

1.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.

percent名詞，意為“百分之……”

e.g.Eightypercentofthestudentsinourclassexerciseeveryday.

我們班里80%的學生每天都鍛煉。percent百分數(shù)基數(shù)詞+percent沒有復數(shù)以它所修飾的名詞來判斷謂語的單復數(shù)percent做主語時，謂語動詞的數(shù)要根據(jù)其后面的名詞來確定。e.g.Fiftypercentoftheapplesare

bad.50%的蘋果都壞了。

Twentypercentofthemeatisinthefridge.20%的肉都在冰箱。Twentypercentoftheworkers_____(be)women.

Thirtypercentoftime_______(go)by.arewent另外，在口語中單獨說notatall,可用來回答感謝或道歉。如：

A：Thankyouverymuch.多謝你了。B：Notatall.不客氣。A：I’msorrytokeepyouwaiting.對不起，讓你久等了。B：Oh,notatall.噢，沒關系。一、根據(jù)句意及漢語提示完成下列句子，每空一詞。1．Iwatchedthefootballgameon

______________(電視機)．2．Hehasalarge_________(身體)butthinlegs.3．Hedecidedtobuythebook______________(在線)becauseitwascheap.4．Timwassmartandhegottheanswerquicklyinhis________(頭腦)．5．Theoldman__________(死)onasnowynight.onlinebodyTV/televisionminddiedTranslateandwritethemdown.1.—你多久喝一次牛奶？—我每天都喝。2.我媽媽想讓我喝牛奶。她說它對我的健康有益?！猒___________doyoudrinkmilk?—Idrinkmilkeveryday.My