最新腹部经典层面解剖PPT课件课件PPT.ppt 31页

'腹部经典层面解剖PPT课件 第一次做这东东谢谢观看！ 第三篇　语法知识专题第二节　冠词 冠词是用于名词前起限定作用的虚词。冠词分为不定冠词(a/an)和定冠词(the)。(一)不定冠词a，an的区别单词用法口诀(冠词a，an两顶帽，许多名词都需要)例句an开头发音若是元，定把an帽来挑选Whatanhonestboyheis！a开头发音若是辅，一定要把a来套Let’shavearestnow.16 (二)不定冠词用法(a,an＝one)用法示例类指用法用在可数名词单数前，泛指某一类人或物Mysisterisaneditor.叙述第一次出现的人或物Heisateacher.用在形容词最高级前，表示“非常，很”Thisisamostbeautifulgarden.量指用法表示“一”，相当于everyTakethemedicinethreetimesaday.用于某些不可数名词前，意为“一次，一阵”Therewasaheavyraininourcitylastnight.用于可视为一体的两个名词前Ihaddinnerwithaknifeandfork.一些固定短语forawhile，makeadecision17 (三)定冠词(the＝this/that/these/those)用法示例用于形容词前表一类人或事物Theyoungshouldbepolitetotheold.用于姓氏复数前表一家人或夫妻TheGreensaregoingtohaveapicnictomorrow.用于与play连用的西洋乐器名称前Heplaysthepiano/theviolin/theguitarverywell.“the＋(adj.)比较级，the＋(adj.)比较级”表“越……越……”Themorecarefulyouare，thefewermistakesyouwillmake.用在序数词和形容词、副词的最高级前Thesecondgirlistheshortestbutsherunsthefastestofall.用在世界上独一无二的事物前Theearthmovesaroundthesun.特指上文已提到的人或事物Myfatherboughtmeagift.Thegiftisnice.用在双方都知道的人或事物前Passmethepenonthetable.固定搭配theGreatWall,bytheway...18 (四)零冠词(不用冠词)用法示例一日三餐前havebreakfast/lunch/supper与play连用的球类、棋类名称前playbasketball/soccer/chess不可数名词和复数名词前表泛指Mancan"tlivewithoutwater.在节日、日期、星期、月份、季节前Springcomesafterwinter.学科名词前Englishisaninterestingsubject.物质名词和抽象名词前Bloodisthickerthanwater.名词前已有指示代词、物主代词等修饰时Everystudentlikesmathinourclass.序数词前已有物主代词、名词所有格时ThisismyfirsttimetovisittheSummerPalace.19 零冠词口诀下列情况应免冠，代词限定名词前。专有名词不可数，学科球类和三餐。复数名词表泛指，四季星期月份前。颜色语种和国名，称呼习语及头衔。20 (五)冠词考点1．以u开头的单词，发字母本身音用a，其余用an。ausefulbookaEuropeancountryanunusualbookanunhappytrip2．两个常考的辅音字母开头单词honest，hour前用an修饰。e．g.anhonestgirlhalfanhour3．a/an＋序数词，表示“又一，再一”。Thesecondboyhastotakethetestasecondtime.第二个男生不得不又参加了一次考试。21 4．quiteafew相当多的Ihavequiteafewfriendshere.我在这儿有很多朋友。5．有无冠词含义差别大的八个短语。inhospital住院inthehospital在医院attable在吃饭atthetable在桌边inprison坐牢intheprison在监狱里infrontof在．.....的前面inthefrontof在．.....的前部gotoschool上学gototheschool到学校去gotocollege上大学gotothecollege到大学去leaveschool毕业leavetheschool离开学校onearth究竟ontheearth在地球上22 6.the和whole,all连用时的位置thewholestoryallthestory7．国名，城市名，一周七天前不用“the”修饰。China,Japan,Zunyi,Sunday...8．country的两点用法①作“乡村”时要加the；②作“国家”时常用复数thecountry＝thecountrysideDifferentcountrieshavedifferentcustoms.23 考点一　不定冠词1．(2016·中考改编)—Haveyouseen________pen?Ileftoneatschoolthismorning.—Isit________blackone？IthinkIsawitsomewhere.()A．the；theB．a；aC．the；a2．(2016·中考改编)WuMochouis________verypopularsinger.Shehaslotsoffans.()A．aB．anC．the3．(2016·中考改编)Asweknow，Franceis________EuropeancountryandKoreais________Asiancountry.()A．an；anB．an；aC．a；anBAC24 4．(2016·中考改编)Thoughhewas________eighty－year－oldman，hewenttocollegelastyear.()A．aB．anC．the5．(2016·中考改编)Takingphotoscanbe________excellenthobbyforkids.()A．/B．aC．anBC25 考点二　定冠词1．(2016·中考改编)—You"vedropped________“s”intheword“successful”．—Oh，________letter“s”isdoubled.()A．a；aB．a；theC．an；the2．(2016·中考改编)Britishpeoplesay“please”and“thankyou”all________time，andtheyalwayskeeptheirvoicedownin________poblic.()A．a；theB．the；/C．/；aD．/；/3．(2016·中考改编)Michaelusuallyplays________guitarat________home.()A．the；theB．a；aC．the；/D．/；theCBC26 4．(2016·中考改编)—What"s________mostusefulinventioninthe20thcentury?—________computer，Ithink.()A．the；AB．a；AC．the；The5．(2016·中考改编)Manypeoplethinkthat2012isoneof________mostsuccessfulfilms.()A．aB．anC．theCC27 考点三　零冠词1．(2016·中考改编)OnApril12,1961，________27－year－oldYuriGagarin(尤里·加加林)becamethefirsthumantogointo________space.()A．the；/B．the；theC．a；/2．(2016·中考改编)—Didyougetthereby________bike?—No，Itook________taxi.()A．a；aB．/；aC．the；the3．(2016·中考改编)Theyoungmanplays________violinverywell，butheplays________basketballbadly.()A．the；theB．a；aC．the；/CBC28 4．(2016·中考改编)IntheUnitedStates，Father"sDayfallson________thirdSundayin________June.()A．the；/B．the；aC．/；the5．(2016·中考改编)—Lilyiscomingby________planetomorrow.—Let"sgoto________airporttomeether.()A．a；aB．/；aC．/；theAC29 CthesunAAAtheB去掉theBapieceofBan30 '