外研七年級(jí)英語(yǔ)上冊(cè)Unit 2 More than fun《Starting out-Understanding ideas》教學(xué)課件

Startingout&UnderstandingideasUnit2MorethanfunStartingout1Matchthesepeopletotheirhobbies.Youmayneedtosearchonline.aLaoShe plantingflowersbAlbertEinstein ridingabikecMadamCurie playingtheviolin2Lookatthepictureandanswerthequestions.教材原圖Whatisyourhobby?1Whathobbiesdoyouknow?2Whatdoyouthinkofthem?a—erhub—rockmusicUnderstandingideas1Lookatthetwopicturesontheright.Whatdoeseachpictureshow?Usethewordsandexpressiontohelpyou.rockmusic enjoy funerhu

instrument play2Lookatthetitleandthepictures.Whatisthepassageabout?Nowreadthepassageandcheckyouranswer.①Rockmusicmeetstheerhu1Rockmusiciscomingoutofmycomputer.Asarockmusiclover,Iplaytheelectric/?'lektr?k/guitar/ɡ?'tɑ?/intheschoolband/b?nd/.②

SometimesIwritesongsandsharethemonline.③

Thereissomuchfun/f?n/inmusic.④搖滾樂(lè)electricadj.用電的；電動(dòng)的electronicadj.電子(器件)的溫馨提示：此符號(hào)表示“考點(diǎn)精講點(diǎn)撥”鏈接。2

Rightatthismoment,thesound/sa?nd/ofGrandpa'serhucutsin.⑤

Yes,musicisalsomygrandpa'shobby.Butit'sadifferent/'d?f?r?nt/kindofmusic.⑥

Helikesplayingtheerhuintheparkwithhisfriends.TheysingBeijingoperatogether.Therearemanyfansofthem.3Anideasuddenly/'s?dnli/hits/h?ts/me:“Whydon'tweputourmusictogether?Icanwriteasongforus."⑦4

“Grandpa!”Irush/r??/intohisroom...⑧5

Thereisanartfestival/'fest?v?l/everyautumninmyschool.⑨

IdecidetotakepartinitwithGrandpathisyear.Afteraweek'spractice/'pr?kt?s/,weareonthestage/ste?d?/.⑩Inod/n?d/toGrandpaandwefireupourinstruments/'?nstr?m?nts/.Everybody/?evrib?di/moveswithourmusic.?6

Grandpagivesmeabigsmile,andIsmileback.Itfeelsgreattoenjoyourhobbytogether.Thepassageisaboutrockmusicandtheerhu.①舞臺(tái)②時(shí)期；階段nodtosb.向某人點(diǎn)頭3Choosethebestmainideaofthepassage.aGrandpaandIhavedifferenthobbies.blwriteanewsongfortheschoolartfestival.cGrandpaandlputourmusictogetherandhavegreatfun.cfun4Completethechartwiththewordsandexpressionsfromthepassage.Thereissomuch1

__________inmusic.Asa(n)2__________

lover,Iplaytheelectricguitarintheschoolband.SometimesI3__________songsandsharethemonline.Grandpalikes

4

__________theerhuintheparkwithhisfriends.They5

__________Beijingoperatogether.Wefireupour6

______________intheschoolartfestival.Itfeelsgreatto7

__________ourhobbytogether.rockmusicwriteplayingsinginstrumentsenjoyThinkandshare1Whatdoes“Anideasuddenlyhitsme”mean?2“Everybodymoveswithourmusic.”Howdoyouthinkthelistenersfeel?Learningtothinkforquestion2Sometimes,thewriterdoesnotwriteaboutthefeelingdirectly.?Theydescribeactionstoshowthefeeling.?5Readthesentencesfromthereadingpassageandsummarisethegrammarrules.(a)Thereissomuchfuninmusic.(b)Therearemanyfansofthem.Nowfindonemoresentencewiththisstructureinthereadingpassage.存現(xiàn)句句型6Describethetableusingtherebe.HobbygroupsMembersLastyearThisyearReadinggroup1518Skating/'ske?t??/group97Volleyball/'v?lib??l/group1110Photography/f?'t?ɡr?fi/group1010group是集合名詞，強(qiáng)調(diào)整體時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)形式；強(qiáng)調(diào)成員時(shí)，謂語(yǔ)動(dòng)詞用復(fù)數(shù)形式。由“volley（n.截?fù)艨罩星颍?ball（n.球）”構(gòu)成。Thereare45studentsinmyclass.Lastyear,therewere15studentsinthereadinggroup…Thisyear,thereare7studentsintheskatinggroup.（答案不唯一）7Completetheblogusingthecorrectformoftherebe.?Backtotradition/tr?'d???n/Foralongtime,youngpeopledidn'thavemuchinterestintraditionalarts.?

Butthesedays,1__________lotsofyoungtraditionalartlovers.LiBowonfirstprizeinaBeijingoperacompetition.“Ididn'tknowmuchaboutBeijingoperauntil2

__________aTVprogrammeaboutBeijingoperaforchildren.Fromthenon,Istartedtosing.”therearethereisWangWeidoespaper-cutting.“3

__________onlyafewyoungpaper-cuttersbefore.?

Now,4

__________hundredsofus!Withsocialmedia,5

_________morechancestosharethefunonline,?"shesaid.社交媒體；社會(huì)化媒體Therearetherearethereare8Workinpairs.Writeaboutyourhobbyandafunmomentwithit.UsethewordsandexpressionfromthereadingpassageandtheUsefulexpressionstohelpyou.Thentalkwithyourpartnerandtakenotes.?Example?（答案均不唯一）Myhobby:__________________________Afunmoment:________________________________________________________________________________________________Mypartner'sname:__________________________His/Herhobby:__________________________Afunmoment:_______________________________________________________________________________________________Readingbooks.OnceIwasreadingbooksatthebusstation.

IwassofocusedonreadingthatImissedthebus.Daniel.Listeningtomusic.Hewassoexcitedtolistentorockmusicthathesangitoutinaveryquietroom,andeveryonelookedathim.Usefulexpressions·What'syourhobby?·Therearemany…·llike…·Itfeelsgreatto…·Thereissomuchfunin…1Nowreadthepassageandcheckyouranswer.check/t?ek/v.檢查，核查Checkthefactsbeforeyouwritethearticle.在你寫文章之前檢查事實(shí)。Imadeaphonecalltocheckouthisaddress.我打了個(gè)電話核實(shí)他的地址。We’vecheckedinatthehotel.我們已經(jīng)在旅館登記入住。IamgoingtocheckonhimtoseeifheisOK.我要查一下他是否一切正常。check的固定搭配:①checkout（經(jīng)檢查）得到證實(shí)；獲得證明②checkin登記；報(bào)到③checkon檢查，核實(shí)諺語(yǔ)IhearandIforget.IseeandIremember.IdoandIunderstand.聞之不若見之，見之不若知之，知之不若行之。1:Iwasbusythismorninganddidn’thavetimeto_________

(檢查)myemail.check2:——請(qǐng)查看這些兒童捐款?！玫模屛铱纯础！狿lease______________thesedonationsforkids.—OK,letmesee.checkout返回溫馨提示：可返回原文2Asarockmusiclover,Iplaytheelectricguitarintheschoolband.(1)as

/?z/prep.像，如同①as作介詞,意為“作為”,其后常接表示職業(yè)或用途的名詞。Sheworkedasawaitressintherestaurant.她曾在這家飯店里當(dāng)服務(wù)員。Asaplayer,youshouldhaveastrongbody.作為一名運(yùn)動(dòng)員,你應(yīng)該擁有強(qiáng)健的身體。“As+名詞”位于句首時(shí),其后要用逗號(hào)與句子的主體部分隔開。②as作介詞，還可意為“如同”。Theywerealldressedasclowns.他們都打扮成小丑。3:OnMother’sDay,mysisterboughtmymumajacket_______apresent.A.inB.atC.asD.forC(2)band/b?nd/n.樂(lè)隊(duì)，樂(lè)團(tuán)Whichisyourfavouriteband?哪一個(gè)是你最喜歡的樂(lè)隊(duì)？Shealwaystiesherhairbackinaband.她總是用一條帶子把頭發(fā)扎在后面。圖解助記4:[嘉興平湖林埭中學(xué)期中]Thegirlwantstobethesingerofafamousrock________（樂(lè)隊(duì)）whenshegrowsup.band返回3SometimesIwritesongsandsharethemonline.online/'?nla?n/adv.在網(wǎng)上Doyoulikeshoppingonline?你喜歡網(wǎng)上購(gòu)物嗎？Onlineshoppingisbothcheapandconvenient.網(wǎng)上購(gòu)物既便宜又方便。online還可作形容詞，意為“在線的；聯(lián)網(wǎng)的”。5:Morestudentschoosetostudy__________（網(wǎng)上）becausethereareallkindsofinterestinglessons.online返回4Thereissomuchfuninmusic.fun/f?n/n.樂(lè)趣①作名詞，意為“樂(lè)趣；快樂(lè)”，是不可數(shù)名詞。You’llbesuretohavefunatthepartytonight.在今晚的聚會(huì)上你一定會(huì)玩得開心。Childrenalwayshavegreatfun(in)visitingDisneyland.孩子們參觀迪士尼樂(lè)園時(shí)總是很開心。②fun還可作形容詞，意為“有趣的；使人快樂(lè)的”。在句中作定語(yǔ)或表語(yǔ)。Thecatisfun.那只貓很好玩。拓展：funny由“fun(n.享樂(lè)；樂(lè)趣)+-ny”構(gòu)成，在句中既可作表語(yǔ)，也可作定語(yǔ)。Thestoryisveryfunny.這個(gè)故事非常好笑。Thisisafunnystory.Manychildrenlikeit.這是一個(gè)有趣的故事。許多孩子喜歡它。fun的常見用法：①havefun(=haveagreat/goodtime或enjoyoneself)過(guò)得愉快；玩得開心②have(much/great/alotof)fun(in)doingsth.意為“做某事很愉快”。一語(yǔ)辨異:Watchingcartoonsisalwaysfun,especiallywhenthecharactersdosomethingfunny!看動(dòng)畫片總是很有趣的，尤其是當(dāng)角色們做出一些滑稽的事情時(shí)！6:在周末水上公園是一個(gè)玩得開心的好地方。Awaterparkisagreatplaceto________________attheweekend.havefun7:Healwaystells________(fun)jokesthatmakeeveryonelaugh.funny返回5Rightatthismoment，thesoundofGrandpa’serhucutsin.(1)moment/'m??m?nt/n.

某一時(shí)刻Waitamoment,please.請(qǐng)等一下。I’msorry.Ican’thelpyouatthemoment.I’mreallybusy.抱歉，我現(xiàn)在不能幫你。我真的很忙。atthemoment意為“此刻；現(xiàn)在”，通常作時(shí)間狀語(yǔ)，表示正在進(jìn)行或發(fā)生的動(dòng)作。8:此刻，我感到有點(diǎn)累，想休息一下。________________________,I’mfeelingabittiredandwouldliketorest.Atthemoment(2)sound/sa?nd/n.聲音辨析：sound,voice與noisesound作名詞，指人們能聽到的各種“聲音”的總稱voice側(cè)重指人的聲音（說(shuō)話、唱歌），有時(shí)也指鳥鳴聲。表示不同種類的聲音時(shí)為可數(shù)名詞noise指“不和諧、不悅耳”的噪音Sheheardthesoundoffootstepsoutside.她聽見外面有腳步聲。Wecouldhearthechildren’svoicesinthegarden.我們能聽到花園里孩子們的說(shuō)話聲。Therewasalotofnoiseoutside.外面很吵鬧。拓展：sound還可作系動(dòng)詞，意為“聽起來(lái)”，后面常跟形容詞作表語(yǔ)。常用短語(yǔ)：soundlike聽起來(lái)像……Thatsoundslikeagoodidea!那聽起來(lái)像是個(gè)好主意！圖解助記一語(yǔ)辨異:Theteacher'svoicewasloudandclear,butthenoisefromoutsidetheclassroommadeitdifficultforustohearthesoundofherwords.老師的聲音洪亮清晰，但是教室外面的噪音使我們很難聽清她說(shuō)話的聲音。9:光傳播得比聲音快。Lighttravelsfasterthan_________.sound返回6Butit’sadifferentkindofmusic.different/'d?f?r?nt/adj.不同的，不一樣的different后一般接名詞復(fù)數(shù)。固定搭配：bedifferentfrom...意為“與……不同”，反義詞組是bethesameas...，意為“與……相同”。Ourschoolisdifferentfromyours.我們的學(xué)校與你們的不同。Mynewjobismuchthesameastheoldone.我的新工作和舊工作差不多。諺語(yǔ)記單詞Differenttradesareseparatedasbymountains.隔行如隔山。拓展：different的相關(guān)詞形：differencen.差別，不同；differentlyadv.不同地，相異地。Ithinkbooksmakeabigdifferencetoouryoungpeople.我認(rèn)為書籍對(duì)我們年輕人有很大的影響。Boysandgirlsmaybehavedifferently.男孩兒和女孩兒的表現(xiàn)可能不同。makeadifference“有影響；起作用”一語(yǔ)辨異:HeandIareindifferentschools.Therearemanydifferencesbetweenourschools.Andwealwaysseethingsdifferently.我和他在不同的學(xué)校。我們的學(xué)校之間有很多不同。并且我們總是以不同的方式看待事物。10:如今，學(xué)生的作業(yè)與以往有所不同。Today,students’homework________________________thatinthepast.isdifferentfrom返回7Anideasuddenlyhitsme...(1)

suddenly/'s?dnli/adv.突然，突如其來(lái)地IsuddenlyrealizedwhatIhadtodo.我突然明白我該怎么做了。Anearthquakehappenedallofasudden.一場(chǎng)地震突然發(fā)生了。sudden作形容詞，意為“突然的，意外的”；allofasudden意為“突然，冷不防”。11:[遂寧]Whenthestorm_________（sudden）came,myfriendsandIwerewalkinghomefromschool.suddenly(2)hit/h?t/v.使（某人）突然意識(shí)到IthitmethatIhadachoice.我突然意識(shí)到我有選擇的余地。Shehithimontheheadwiththeumbrella.她用雨傘打他的頭。Thebushitthebridge.公共汽車撞到了橋上。Aterriblestormhitthisarea.一場(chǎng)可怕的暴風(fēng)雨襲擊了這個(gè)地區(qū)。Ithitssb+that從句，“某人突然想到某事”hit作動(dòng)詞時(shí)的一詞多義：①（用手或器具）擊，打②碰撞；撞擊（造成損傷）③攻擊；進(jìn)攻；襲擊拓展：hit還可作名詞，意為“打擊，擊中；很受歡迎的人（或事物）”。Giveitagoodhit.用力打它一下。Hernewseriesisahit.她的新系列節(jié)目很受歡迎。12:[武漢武昌區(qū)七校聯(lián)考]—Whyareyouinsuchahurry?—It________methatIhaveaviolinclassthisafternoon,soIhavetogonow.A．hurtsB．happensC．hitsD．holdsC返回8“Grandpa!”Irushintohisroom...rush/r??/

v.沖，奔Herushedtogreether.他沖過(guò)去迎接她。Sherushedintotheroom,forgettingtoknock.她沖進(jìn)了房間，忘記敲門。Thousandsofplayersrushedoutthestartingline.成千上萬(wàn)的運(yùn)動(dòng)員沖出起跑線。rushtodosth.“匆忙地做某事”rush作動(dòng)詞時(shí)的常見搭配:①rushinto匆忙(做某事);沖進(jìn)②rushout沖出拓展：rush還可作名詞，意為“匆忙；繁忙”，常用單數(shù)形式。Don’tworry;thereisnorush.別擔(dān)心，不用急。Duringtherushhour,thesubwayisalwayscrowded.在交通高峰時(shí)段，地鐵總是很擁擠。交通高峰時(shí)間13:Don’t_________(倉(cāng)促)intoadecision.Let’shaveadiscussionabouttheplantogether.rush返回9Thereisanartfestivaleveryautumninmyschool.festival/'fest?v?l/n.(電影、戲劇、音樂(lè)等的)節(jié)，節(jié)慶，匯演Wehaveanartfestivaleveryyear.我們每年都舉辦一次藝術(shù)節(jié)。TheSpringFestivalalwaysfallsinJanuaryorFebruary.春節(jié)總是在一月或二月。festival為可數(shù)名詞，既可單獨(dú)使用，又可與其他單詞一起構(gòu)成節(jié)日名詞。表示節(jié)日的專有名詞時(shí)，首字母要大寫。常見的用festival表達(dá)的節(jié)日：①SpringFestival春節(jié)②LanternFestival元宵節(jié)③DragonBoatFestival龍舟節(jié)/端午節(jié)④Mid-AutumnFestival中秋節(jié)⑤DoubleNinthFestival重陽(yáng)節(jié)返回10Afteraweek’spractice,weareonthestage.practice/'pr?kt?s/n.練習(xí)Playingthepianowellneedsmorepractice.彈好鋼琴需要更多的練習(xí)。Sheispracticingsingingthenewsong.她正在練習(xí)唱這首新歌。作動(dòng)詞，practicedoingsth.練習(xí)做某事。諺語(yǔ)記單詞Practicemakesperfect.熟能生巧。14:Mysonenjoysbasketball_________（練習(xí)）becauseitallowshimtostayactiveandhavefunwithhisfriends.practice返回11Everybodymoveswithourmusic.everybody/'evrib?di/pron.每個(gè)人，人人Iseverybodyheretoday?今天大家都到齊了嗎？Look!Somebodyistalkingtoyourmother.看！有人正在跟你媽媽談話。Didyoumeetanybodystrangeinthevillage?你在村里遇到過(guò)不熟悉的人嗎？Nobodyisansweringthetelephone.沒(méi)有人接電話。everybody意為“每個(gè)人；人人”somebody意為“某人；有人”，多用在肯定句中anybody意為“任何人”，多用在否定句和疑問(wèn)句中nobody意為“沒(méi)有人”，是否定詞，相當(dāng)于not...anybody辨析：everybody,somebody,anybody與nobody一語(yǔ)辨異:Somebodywasknockingonthedoor.Iaskedifanybodycouldhearit,butnobodyanswered.ThenIrealizedthateverybodywasinthebackyard.有人在敲門。我問(wèn)是否有人聽到，但是沒(méi)有人回答。然后我意識(shí)到大家都在后院。15:[青島改編]Tomakeriversclean,______shouldprotectthem.A.somebodyB.anybodyC.nobodyD.everybodyD返回12Sometimes,thewriterdoesnotwriteaboutthefeelingdirectly.(1)feeling/'fi?l??/n.感覺(jué)Ihaveafeelingthatwe’regoingtowinthegame.我預(yù)感我們會(huì)贏得這場(chǎng)比賽。Redisthecolorofheatandrepresentspowerandstrongfeelings.紅色是熱烈的顏色，并且象征力量和強(qiáng)烈的感情。She’saveryfeelingperson.她是個(gè)非常多愁善感的人。feeling還可作形容詞，意為“多愁善感的，多情的”。feeling的一詞多義：①感覺(jué)；感受②感情；情感③想法；看法④態(tài)度；意見16:Thesestudentsaresharingtheir__________（feel）aboutthefilmwitheachother.feelings(2)directly/d?'rektli/adv.直接地Shelookeddirectlyatus.她直視著我們。拓展：directly的形容詞形式為direct，意為“直接的”。There’sadirecttraintoBeijing.有一班直達(dá)北京的火車。WeflewdirecttoHongKong.我們直飛香港。Themovieisdirectedbyafamousdirector.這部電影是由一位著名導(dǎo)演執(zhí)導(dǎo)的。direct的一詞多義：①adj.直接的；直達(dá)的；直率的②adv.直接地；直達(dá)地③v.導(dǎo)演；指揮；給……指路17:Ifyouaren’tfeelingwellaboutothers’requests,youcansayno_________(direct).Don’tfeelsorryforthat.directly返回13Theydescribeactionstoshowthefeeling.(1)describe/d?'skra?b/v.描述，形容，描寫Wordscan’tdescribeherbeauty.言語(yǔ)無(wú)法形容她的美麗。Theteacherdescribedthestorywithfunnydetails.老師用有趣的細(xì)節(jié)描述了這個(gè)故事。Myfrienddescribedthemovieasexcitingandfullofsurprises.我的朋友說(shuō)這部電影很令人興奮且充滿驚喜。Thebookdescribeshowteaplantsweregrowninthepast.這本書描述了從前茶樹是如何被種植的。describe的常見用法：①describesb./sth.(to/forsb.)(向某人)描述某人/某物②describe...with...用……描述……③describe...as...把……描述成……④describe+從句描述……18:Ourteacheraskedusto____________（描述）ourfriendsinclassyesterday.describe(2)action/'?k??n/n.行為，行動(dòng)Weneedtotakeactiontosolvethisenvironmentalproblem.我們需要采取行動(dòng)解決這個(gè)環(huán)境問(wèn)題。Shetakesanactivepartinschoolactivities.她積極參加學(xué)?；顒?dòng)。Sheactedinherfirstmoviewhenshewas13yearsold.她13歲時(shí)出演了自己的第一部電影。采取行動(dòng)takeanactivepartin意為“積極參與”。action的相關(guān)詞形：actv.行動(dòng)；扮演activeadj.積極的；活躍的actorn.（男）演員actressn.女演員activityn.活動(dòng)；活躍19:[十堰改編]我很同意你的看法。讓我們現(xiàn)在就行動(dòng)起來(lái)。Iquiteagreewithyou.Let’s__________________now.takeaction返回14Completetheblogusingthecorrectformoftherebe.(1)correct/k?'rekt/adj.正確的，無(wú)誤的Neitheransweriscorrect.兩個(gè)答案都不對(duì)。Isyournamespelledcorrectly?你的名字拼寫正確了嗎？It’swrongtocopyothers’homework.抄襲他人的家庭作業(yè)是錯(cuò)誤的。拓展：correct作形容詞時(shí)，還可意為“合適的；恰當(dāng)?shù)摹?；還可作動(dòng)詞，意為“糾正；改正；修正”。Besuretowearthecorrectshoestopreventinjuriestoyourfeet.一定要穿合適的鞋防止你的腳受傷。Youshouldcorrectthemistakesinyourhomework.你應(yīng)該改正你作業(yè)中的錯(cuò)誤。correct的相關(guān)詞：20:Beforehandinginyourpaper,checkifyournameandnumberare_______.A.tidyB.correctC.specialD.honestB(2)form/f??m/n.形式Walkingisaformofexercise.步行是一種鍛煉方式。Ifilledinaformonthewebsite.我在那個(gè)網(wǎng)站上填了一張表。Thecakeisintheformofacar.這個(gè)蛋糕是汽車形狀的。Whatisthepastformoftheword“rush”?“rush”的過(guò)去式是什么？form作名詞時(shí)的一詞多義：形式；類型表格；格式形狀；外形；形態(tài)詞形拓展：form還可作動(dòng)詞，意為“（使）形成；建立”。Aplanformedinmyhead.一個(gè)計(jì)劃在我的頭腦中形成。Thebandformedin2003.這支樂(lè)隊(duì)成立于2003年。返回15Foralongtime,youngpeopledidn'thavemuchinterestintraditionalarts.interest/'?ntr?st/n.興趣interest的常見用法：①have(a)greatinterestin...對(duì)……感興趣②show(an)interestin...表現(xiàn)出對(duì)……的興趣③takeaninterestin...對(duì)……感興趣Hehasagreatinterestinmusic.他對(duì)音樂(lè)有很大的興趣。Hebegantoshow(an)interestinmusicatanearlyage.他很小的時(shí)候就開始表現(xiàn)出了對(duì)音樂(lè)的興趣。Ithinkitnecessaryforstudentstotakeaninterestinscience.我認(rèn)為學(xué)生對(duì)科學(xué)感興趣是必要的。Thegirlisinterestedintheinterestingstorybook.這個(gè)女孩對(duì)這本有趣的故事書感興趣。interestingadj.

有趣的指事物本身是“有趣的”。作定語(yǔ)修飾物；作表語(yǔ)其主語(yǔ)是物interestedadj.

感興趣的指人對(duì)物“感興趣”,作表語(yǔ)其主語(yǔ)是人，常用于beinterested

in結(jié)構(gòu)中辨析：interesting與interested21:Linglingshowsgreati

inpaintingandshehopestobeanartist.nterest返回163________onlyafewyoungpaper-cuttersbefore.few/fju?/deter.一些，幾個(gè)Thereareafewbeansontheplate.盤子里有一些豆子。Therearefewbeansontheplate.盤子里幾乎沒(méi)有豆子。There’salittlemilkintheglass.杯子里有一點(diǎn)牛奶。There’slittlemilkintheglass.杯子里幾乎沒(méi)有牛奶。修飾可數(shù)名詞修飾不可數(shù)名詞表肯定含義afew有幾個(gè)alittle有點(diǎn)兒表否定含義few幾乎沒(méi)有l(wèi)ittle幾乎沒(méi)有辨析