Unit7Lesson3课件冀教版（2024）七年级英语下册

Lesson3GoodsleepforgoodhealthUnit7WaystobehealthyTomastersomenewwordsandphrases.Tounderstandtheimportanceofgettingenoughsleepforgoodhealththroughreading.Tomastertheusageofimperatives.学习目标Leadin1Readthequestionsandgiveyouranswers.AHowmanyhoursdoyousleepeverynightBDoyousleepwell新课讲授Freetalk2Readthepassageandwritetrue(T)orfalse(F).Gettingenoughsleepisimportantforyourhealth.Sleepgivesyoutimetorestandhelpsyoufeelrefreshedinthemorning.Whenyoudon'tsleepwell,youmayfeelsleepyallday.Youcan'tthinkorworkwell.Sometimes,youmayhavetroublegettingalongwithothers.WhatcanyoudotosleepwellDon’tstayuplate.Gotobedatthesametimeeverynight.Don'tspendtoomuchtimeonyourphonebeforegoingtobed.Yourbrainneedstocalmdown.Thelightfromthescreencankeepyouawake.Putyourphoneaway30minutesormorebeforebedtime.Keepyourroomdarkandquiet.Thiswillhelpyousleepwellallnight.Rememberthesaying:earlytobedandearlytorisemakesushealthy,wealthyandwise.ReadingAWhenyousleepwell,youthinkandworkwell.（）BIt’sagoodhabittogotobedatthesametimeeverynight.（）CAbrightandquietroomwillhelpyousleepwellallnight.（）TTF3Readthesentencesandticktheimperatives.Gotobedatthesametimeeverynight.Putyourphoneaway30minutesormorebeforebedtime.Don'tstayuplate.Don'tspendtoomuchtimeonyourphonebeforegoingtobed.Theimperativemostmonlyfunctionsasmands,instructionsororders.Wedonotusuallyincludethesubjectinanimperativeclause.AComeon!BSheishealthy.CDon’ttakephotos!DGoahead!EThestudentwentforhelp.F

Don’tfeedtheanimals!GHegotangry.

HListen

toyourself.√√√√√祈使句一般用来表示请求、命令、劝说、号召、警告等。在祈使句中，通常省略主语you，其肯定形式常以动词原形开头，否定形式是在动词原形前加don’t。祈使句句尾用句号或感叹号，读时用降调。为表示礼貌，可以在句首或句末加上please。句末用please时，前面通常加逗号。祈使句GrammarFocus1.祈使句的构成①Do型祈使句

肯定句:动词原形(+宾语)(+其他).

否定句:Don’t+动词原形(+宾语)(+其他).e.g.Weartheschooluniformonschooldays,please.上学日请穿校服。Don’twatchTVbeforedinner.晚饭前不要看电视。2.Be型祈使句

肯定句:Be+表语(+其他).

否定句:Don’t+be+表语(+其他).e.g.Becarefulnexttime.

下次要小心。Don’tbelateforschool!

上学不要迟到!3.Let型祈使句

肯定句：Let+宾语+动词原形(+其他).

否定句：Don’t+let+宾语+动词原形(+其他).

或Let+宾语+not+动词原形(+其他).e.g.Let’shavearest.咱们休息一下吧。Don’tlethimgoswimmingintheriver.=Lethimnotgoswimmingintheriver.不要让他去河里游泳。4.其他类型的否定祈使句(1)No+v.ing!/No+名词!e.g.Nosmoking!禁止吸烟!Nofishing!禁止钓鱼!Noentry!禁止入内!Nophotos!禁止拍照!(2)never代替don’t来加强语气。e.g.Nevergiveup!决不放弃!2.祈使句的应答回答祈使句的肯定形式一般用will，回答祈使句的否定形式一般用won’t。e.g.—Pleaseremembertobringyourhomeworktomorrow.

请记得明天把你的家庭作业带过来。—Yes,Iwill.好的，我会的。—Don’tbelateforschoolagain.上学不要再迟到了。—Sorry,Iwon’t.对不起，我不会了。4Readandpletetheconversation.Mary:Hi,Jack.Youlooktiredtoday.Jack:Iamtired!Mary:WhendidyougotobedlastnightJack:_______AndIdidn'tsleepwell.Mary:WhatdidyoudoJack:________Mary:That’stoobad.Jack:WhatcanIdotosleepwellMary:________Itkeepsyouawake.A.I

playedgamesonmyphone.B.Don’tspendtoomuchtimeonyourphone.C.Istayeduplate.

CABPractice5Yourfriendfeelssleepyallthetime.Whatcanyoudotohelphim/hersleepy/ˈsliːpi/adj.困倦的；安静的feelsleepy感到困倦1.Whenyoudon’tsleepwell,youmayfeelsleepyallday.当你睡眠不好的时候，你可能会一整天都昏昏欲睡。adj.困倦的adj.安静的sleepyThewarmthfromthefiremadeherfeelsleepy.暖洋洋的炉火使她昏昏欲睡。Myhometownisasleepylittletown.我的家乡是一个宁静的小城。Languagepoints【辨析】sleepy,asleep与sleepsleepy[形容词]“困倦的;瞌睡的”，可在句中作表语、定语或宾语补足语。asleep[形容词]“睡着的”，可在句中作表语或宾语补足语。sleep[动词]&[名词]“睡;睡觉”，可在句中作主语、谓语或宾语等。e.g.Thelittleboywassosleepythathefellasleepagainstthetree.Heissleepingnow.那个小男孩太困了,以至于他靠着树睡着了。现在他正在睡觉。“havetrouble(in)doingsth.”是一个固定用法，表示“做某事有困难”。“getting”在这里是动名词形式。e.g.Ihavetroublegettingupearlyinthemorning.我早上起床有困难。Hehastroublegettingalongwithothers.他在与他人相处方面有困难。Shehastroublegettingtheanswertothisquestion.她在得到这个问题的答案方面有困难。2.

Sometimes,youmayhavetroublegetting

alongwithothers.3.Don’tstayuplate.“stayuplate”是一个动词短语，表示“熬夜；睡得很晚”。常用来描述某人在晚上不按时睡觉，而是持续保持清醒状态到很晚的时候。e.g.Istayeduplatelastnighttofinishmyhomework.我昨晚熬夜完成我的作业。Heoftenstaysuplateplayingputergames.他经常熬夜玩电脑游戏。Don'tstayuplate.It'sbadforyourhealth.不要熬夜。这对你的健康不好。“gotobed”是一个动词短语，表示“上床睡觉”的动作。强调进入床铺准备睡觉的行为。e.g.Igotobedatteno'clockeverynight.我每天晚上十点钟上床睡觉。Sheisverytiredandwantstogotobedearly.她非常累，想早点上床睡觉。Don'tstayuplate.Gotobednow.不要熬夜。现在就去睡觉。4.Gotobed

atthesametimeeverynight.spendtime/moneyonsth.在某事/物上花费时间/金钱e.g.Someteenagersspendtheirfreetimeonvoluntarywork.

一些青少年把他们的空闲时间花在志愿工作上。Bettyspends20%ofhermoneyonfood.贝蒂将20%的钱花在食物上。5.Don’tspendtoomuchtimeonyourphonebeforegoingtobed.睡前不要花太多时间在上。spendtime/money(in)doingsth.在做某事上花费时间/金钱e.g.Hespendstoomuchtimeplayingvideogames.他花太多时间玩电子游戏。

Don'tspendtoomuchtimewatchingTV.不要花太多时间看电视。【辨析】spend,cost,take与pay例词主语宾语常用结构spend人时间或金钱sb.spendssometime/moneyonsth.某人在某事/物上花费时间/金钱sb.spendssometime/money(in)doingsth.某人花费时间/金钱做某事cost物金钱sth.costs(sb.)somemoney某物花费（某人）多少钱take常用it作形式主语时间ittakes(sb.)sometimetodosth.做某事花费（某人）多长时间pay人金钱sb.payssomemoneyforsth.某人为某物付多少钱e.g.Ilikesports.Ioftenspendalotoftimedoingsports.Ialsospendsomemoneyonit.Iboughtabatlastweek.Itcostmefiftydollars.AndIhavetopay5dollarsforthegymtimeeveryday.Itusuallytakesmetwohourstodosportsthere.我喜欢体育运动。我经常花很多时间做运动。我也会在运动方面花一些钱。上周我买了一个球拍，它花了我50美元，并且我每天去体育馆得花5美元。我通常会花两个小时在那里做运动。calmdown冷静；(使)平静下来

通常不用于进行时。e.g.Thedoctorplayedthemusictocalmherdaughterdown.

医生播放音乐来使她女儿平静下来。

Wewaitedinsideuntileverythingcalmeddown.

我们在室内等待，直到一切恢复了平静。6.Yourbrainneedstocalmdown.你的大脑需要冷静下来。【拓展】calm[形容词]镇静的，沉着的keep/staycalm保持镇静e.g.Keepcalmandcarryon.There’sstillalongwaytogo.

保持冷静，继续前行。还有很长的路要走。“put...away把……移开；收起”，putaway属于“动词+副词”型短语，如果宾语是人称代词，人称代词只能放在put和away中间；如果宾语是名词，名词放在away前后皆可。7.Putyourphoneaway30minutesormorebeforebedtime.睡前30分钟或更久之前要把收起来。e.g.Yourschoolthingsareonthefloor.Pleaseputthemaway.

你的学习用品在地板上。请把它们收拾好。Ialwaysputthetoysaway(=putawaythetoys)afterplayingwiththem.我玩过玩具之后总是把它们收起来。“remember/rɪˈmembə(r)/v.记住；纪念”，反义词为forget“忘记”e.g.Pleaserememberthenewwords.请记住这些生词。Rememberthattherearealwayspeoplethatcareforyou.

记住，总会有人关心你。Idon’tremembermyfirstdayatschool.=Iforgetmyfirstdayatschool.

我忘记第一天上学的情景了。8.Rememberthesaying:earlytobedandearlytorisemakesushealthy,wealthy,andwise.记住这句谚语:早睡早起使我们健康、富有和聪明。【拓展】[动词]纪念，缅怀e.g.Onthisdaywerememberthedeadintheearthquake.

在这一天，我们缅怀地震中的逝者。【辨析】remembertodosth.与rememberdoingsth.remembertodosth.“记着做某事”，此事目前未做。It’sreportedthatit’llberainytoday.Remembertotakeanumbrellawithyou,Cindy.据报道今天会下雨。记得随身带把伞，辛迪。rememberdoingsth.“记得做过某事”，此事目前已做。Irememberseeingthemovieatthecinema.我记得我在电影院看过这部电影了。rise/raɪz/v.起床；上升

n.上升；增加(1)rise在此意为“起床”，相当于短语getup。e.g.Mygrandpaisusedtorising(=gettingup)early.我爷爷习惯早起。(2)[动词]上升；增加e.g.It’ssohot！Thetemperatureis37℃andstillrising.

天气真热！气温是37摄氏度，而且还在上升。Theriverhasrisenbyseveralmetresaftertheheavyrain.

大雨过后，河水上涨了好几米。(3)[动词]升起e.g.Thesunrisesintheeastandsetsinthewest.

太阳东升西落。(4)[名词]增加e.g.Profitswentupto￡24million,ariseof16%.

利润增加到2400万英镑，上升了16%。(5)[名词]上升e.g.Climatechangehascausedariseinsealevels.

气候变化导致海平面上升。wise/waɪz/adj.明智的；英明的e.g.It’snotwisetopostyourhomeoremailaddressonline.

在网上发布你的家庭住址或电子邮件地址是不明智的。Youh