Unit5课时3GrammarandWriting（学生版）七年级英语下册讲义（人教版）

Unit5Whydoyoulikepandas?课时3GrammarandWriting（一）Grammar知识精讲知识精讲一、why引导的特殊疑问句why引导的特殊疑问句，意为＂为什么……？＂，用来询问某事的原因。结构为＂Why+助动词的适当形式+主语+动词原形+其他？/Why+be动词+主语+其他？＂。（1）一般用法：常用于询问原因。回答时常用because。eg:—Whydoeshelookworried?他为什么看起来着急？—Becausehelosthiskey.因为他把钥匙丢了。【典例】—Whydon’tyouliketigers?—they’rereallyscary.A.Because B.So C.ButD.And（2）特殊用法：Whydon’tyou+动词原形+其他？常用来提出建议或劝告，表示＂为什么不……？＂相当于＂Whynot+动词原形+其他？＂。eg:—Whydon’tyouplaybasketball?=Whynotplaybasketball?为什么不打篮球呢？—Thatsoundsgood.那听起来不错。【典例】—IfeelupsetbecauseIamtooheavy.—domoreexercisetolosesomeweight?A.Whydon’t B.Whynot C.Whynotto（3）why还可作感叹词，表示吃惊、不耐烦、轻微的抗议、反对及犹豫等不同的语气。eg：Why，don’tyouknowme?啊，难道你不认得我吗？二、形容词的用法形容词修饰名词，用以说明事物或人的性质或特征，是英语中最常用的词性之一，通常在句中作定语、表语等。（1）形容词作定语，用于修饰名词或代词one,ones等，位于名词或代词之前，但若修饰不定代词要放在不定代词之后。eg:Theseareinterestingbooks.这些是有趣的书。Iwantsomebigones.我想要些大的。Thereissomethinginterestingintoday’snewspaper.今天的报纸上有有趣的内容。【典例】Marthaisagirl.Shealwayssmilesandsayshellotoothers.A.shyB.friendly C.crazy D.healthy（2）形容词作表语，放在连系动词(be/look/feel/sound等)后，构成系表结构，即＂连系动词+表语＂，说明主语怎么样。eg:Youlookgreattoday.你今天看起来很棒。Sheissofriendly.她是如此友善。【典例】TheflowersmellsandIlikeitverymuch.A.well B.good C.badD.badly（3）一些形容词和定冠词the连用，表示一类人或事物，相当于一个名词；另外，形容词前可用very,too,alittle等表示程度的词修饰。eg:Heoftenhelpstheold.他经常帮助老人。Youaretoolazy.你太懒了。分层提分分层提分一、单项选择1．—Mom,don’tusebags________plastic.Itcancausewhitepollution.—Oh,IknowandIwon’t.A．madein B．madeinto C．madeof D．madeupof2．Themanisvery________.Hedoesn’tdoanyhouseworkathome.A．cute B．lazy C．friendly D．shy3．Theairinthemorningisfresh,soIalways__________earlytorun.A．geton B．getoff C．getup D．getdown4．—Mostofthewildanimalsare__________becauseoftheirbadlivingenvironment.—Sowemustdosomethingtosavethem.A．atschool B．onholiday C．atwork D．indanger5．Ilike________littleanimalsbutIdon'tlikethebiganimalsliketigersbecausethey're________scary.A．kindsof;akindof B．kindof;akindof C．kindsof;kindof D．kindof;kindsof6．Therearesomanymodelplanesintheschoollibrary.Thewhiteonewasmade________Tom.A．in B．by C．of D．from7．Don’tworry,Mary.Theweathermay________lateron.Wecangooutthen.A．getwell B．getfine C．getbest D．getlost8．—Whydon’tyoulikephysics?—Becauseit’stoo________forme.A．interesting B．beautiful C．relaxing D．difficult9．—________doyoulikethedog?—Becauseitlooksbeautiful.A．Where B．Why C．What D．When10．—What________doyoulikebest?—Ilikegiraffesverymuch.A．vegetables B．subjects C．animals D．sports11．—Let’sseethepandasinthezoo.—________.A．Thanks B．Either C．OK D．Neither12．—What’sthis?—Oh,myGod!It’sagiftforJames.Iforgot________itthisafternoon.A．topost B．posting C．post D．toposting13．________I’mlateforclassagain,________myteacherisveryangry.A．Because;/ B．So;/ C．Because;so D．/;but14．—________?—Koalas.A．Wherearetheanimals B．Wherearetheanimalsfrom C．Howaretheanimals D．Whatanimalsdoyoulike15．Let’s________thezoo.Iwant________thetigers.A．go;see B．goto;tosee C．togo;see D．togo;tosee二、完型填空Manypeoplelikepandasverymuch.Theyarevery____16____.MostofthemliveinSichuan,____17____.They____18____whitehair,buttheirshoulders,legs,earsandeyesare____19____.Pandasareusuallyheavy,buttheycanclimbtreeslikeother____20____.Pandas’____21____foodisbambooleaves.Butlonglongago(很久很久以前),pandaslikedtoeatmeat.It____22____pandasalotoftimetohavefoodeveryday.Whenpandasarefull(吃饱了的),theylike____23____.Theyrelaxmanyhourseveryday.However,therearenotmanypandasintheworldtoday.____24____somepeoplecutdowntoomanybambootreesandpandascan’tfindenough(足够的)food.Ithinkwemust_____25_____them.16．A．ugly B．lazy C．cute D．tall17．A．China B．SouthAfrica C．Australia D．Thailand18．A．are B．has C．like D．have19．A．black B．white C．fat D．big20．A．dogs B．animals C．tigers D．elephants21．A．boring B．relaxing C．shy D．favorite22．A．goes B．brings C．takes D．forgets23．A．swimming B．relaxing C．dancing D．running24．A．So B．Because C．And D．But25．A．save B．eat C．like D．see三、语法填空Hello.WearestudentsfromThailand,andwewant___26___(save)theelephants.TheelephantisoneofThailand's___27___(symbol).Ourfirstflaghadawhiteelephantonit.Thisisasymbolofgoodluck.___28___(elephant)aresmartanimals.Theycanplaysoccerormusic.Theycanalsodrawvery___29___(good).Peoplesaythat"anelephantnever___30___(forget)".Elephantscanwalkforalongtimeandneverget___31___(lose).Theycanalsorememberplaceswithfoodandwater.Thishelpsthem___32___(live).Butelephantsareingreatdanger.Peoplecutdownmanytreessoelephantsarelosing___33___(they)homes.Peoplealsokillelephantsfortheirivory.Todaythere___34___(be)onlyabout3,000elephants(over100,000before).Wemustsavethetreesandnotbuythings___35___(make)ofivory.RememberthatMarch13thisThaiElephantDay.四、填写适当的句子补全对话A:Hello.Tony!____36____?B:Ilikegiraffes.A:Whydoyoulikethem?B:____37____.Whataboutyou,Lucy?A:Ilikepandas.Theyareverycute.B:____38____?A:TheyarefromChina.B:____39____?A:No,Idon'tliketigers.B:____40____?A:Becausetheyarescary.五、完成句子41．不要忘了把这面旗带给我。Don’t________________________theflagtome.42．这只小狗很聪明，它从来不迷路。Thisdogis________.Henever________________.43．很多野生动物正处在危险之中。Manywildanimals________________________.44．由于人们砍伐了太多的树木，大象正在失去它们的家园。Elephantsarelosingtheirhomesbecausepeople________________toomanytrees.45．我认为人们不应该买象牙制品。Idon’tthinkpeopleshould________things________________ivory.（二）Writing知识精讲知识精讲【话题分析】能对某种动物进行简单描述，内容包含动物的基本信息、喜欢或不喜欢的理由、动物危险处境与解决方法等。1.能用＂cute，scary，smart，interesting＂等形容词描述动物的性格特征；2.能用＂Ilike…because…/Idon’tlike…because…＂句型表达自己的喜恶。【写作方法】＂三步五要素法＂描述所喜欢的动物◆步骤一：开门见山，用概括性的语言提出自己喜欢的动物名称。◆步骤二：抓住描写动物的五要素来描写，即动物的名称、产地、年龄、喜好和性格特点。◆步骤三：抒发对此动物的感情与感受，并号召人们爱护动物。【典例】根据所给的图片与相关内容，运用本单元所学的内容介绍一下这种动物。词数：70左右。提示内容：①这是Panpan。②它来自中国。③它六岁了。④它喜欢吃竹子(bamboo)。⑤它既友好又可爱。⑥它喜欢在白天睡觉。____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________【佳作展示】Therearemanykindsofanimalsintheworld.But①pandasaremyfavoriteanimals.HereisaphotoofPanpan.ItisfromChina.Itissixyearsold.Itisblackandwhitewithtwobigeyes②.Itlooksverybeautiful,anditisfriendlyandcute.Itlikeseating③bamboo.Itlikestosleep④duringtheday.Peoplealllikeitverymuch.Pandasareourfriends.Weshouldloveandprotectthem.【名师点评】◆本文运用＂三步五要素法＂来写作，层次分明，同时全文主题鲜明，内容丰富。◆本文添彩点：①转折连词but使文章自然流畅，同时开门见山点出喜欢的动物的名称。②介词短语withtwobigeyes用于描述动物的外貌。学科/网③④中like后接动词的ing形式和动词不定式两种用法，避免了句式单一。能力提升练一、以读促写。(一)根据所给中文或首字母提示完成句子。1.ThepandaisoneofChina’s________(象征).Wesendthemtomanyothercountriesasgifts.However,people________________(砍倒)bamboo.Theycan’tgetenoughfood.Todaytherearenotmanypandasintheworld,theyarel________theirhomesandingreatd________.2.Peoplem________notbuythingsm________ofivory.Theym________stopkillingelephantsandtryto________(挽救)them.(二)根据所给中文与首字母提示，将短文补充完整。Myfavoriteanimalisa________(二岁)pandaBeibei.Itc________fromSichuan,China.Itisblackandwhite.Itlikese________lotsofbambooeveryday.Ilikeitb________itlooksreallylovely.Anditc________climbhillsandswimverywell.Butitisalittleshy,sopleasetakecareofit.Thepandasareingreatd________.Todaythereareonlyabout1,600pandasintheworld.Theydon’thavemanyb________andbabypandasoftendie.Peoplec________downbambooandtheydon’thavee________food.ThepandaisoneofChina’s________(象征).Wemusts________them.Ihopepeoplecanplantmoretreesandbamboo.二、篇章训练。（一）动物和人类共处一个世界，是人类的朋友。有的动物美丽，有的动物可爱，有的动物活泼，有的动物腼腆。你喜欢哪种动物？为什么？请写一篇60词左右的短文介绍你最喜欢的动物。题目和开头已经给出，不计入总词数。MyfavoriteanimalTherearemanyanimalsintheworld.But_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________（二）请写出一种你喜欢的动物，简单介绍一下，50词左右，题目自拟。内容包括：1.来自哪里；2.特征；3.生活习性；4.你喜欢它的原因。___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________（三）请根据下面提示写一篇英语短文，介绍一下北京动物园（BeijingZoo)。提示：1．北京动物园在北京西城区（XichengDistrict），每天7:30开馆；2．园内大约有15,000只动物，有来自南非的狮子、澳大利亚的树袋熊、中国的大熊猫等；3．每年大约有600万名游客到此参观。要求：1．语句通顺，语意连贯，无语法错误；2．60词左右。___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________（四）Sally最喜欢猴子,她列出了一些有关猴子的信息,请你根据这些信息以“Monkeys”写一篇不少于8句话的短文。1.猴子喜欢爬树;2.猴子多生活在山中;3.猴子爱吃果子;4.猴子对人没有危险;5.孩子们最喜欢的猴子是美猴王——孙悟空。写作要求:1.词数约70左右。2.可以适当补充一些内容。3.提示词:nut;nodanger;famousMonkeys_________________________________