SJ236619833CD447型PNP硅高压低频大功率三极管

副词根据所表达的不同意义可将其分为以下几种：1、时间和频度副词：now,then,often,always,early,today,already,soon,ago,yesterday等.2、地点副词：here,there,everywhere,out,in,home,upstairs,above,below,inside等.3、方式副词：politely,fast,等.中考英语专项复习形容词和副词4、程度副词：much,little,very,rather,too,so等.5、疑问副词：how,where,when,why（放在特殊疑问句前）6、关系副词：when,where,why（通常引导宾语从句）7、连接副词：how,when,where,why,whether（通常引导定语从句）中考英语专项复习形容词和副词五、副词的比较等级构成和用法1、副词的比较等级构成。有三个等级：①原级；②比较级；③最高级。单音节词和少数双音节词构成方法原级比较级最高级一般在词尾加-er或-estfasthardlongsoonfasterharderlongersoonerfastesthardestlongestsoonest以字母e结尾的副词，加-r或-stlatelaterlatest以“辅音字母+y”结尾的副词，先把y变为i，再加-er或-estearlyearlierearliest中考英语专项复习形容词和副词2）不规则变化原级比较级最高级wellbadlymuchlittlefarbetterworsemorelessfarther较远(表示距离)further较远，进一步(表示程度)bestworstmostleastfarthestfurthest中考英语专项复习形容词和副词副词的比较级和最高级的构成和形容词的比较级和最高级的构成基本相同.e.g.形容记的最高级前要用定冠词the,副词的最高级前可用可不用定冠词the.MountQomolangmaisthehighestintheworld.Jimjumped(the)highestoftheall.fast-faster-fastestslowly-moreslowly–mostslowly注意：1、副词very可以修饰形容词、副词，但不能修饰动词。例如：Thisflowerisverybeautiful.IlikeEnglishverymuch.(但不能说：IverylikeEnglish.)2、enough作副词时，用在形容词、副词之后；enough用作形容词时，放在名词前或后都可以。例如：Heisstrongenoughtolifttheheavybox.Themanhasgotenoughmoney(or:moneyenough)tobuyacar.中考英语专项复习形容词和副词注意：3、频度副词的比例表：always——100%,usually——80%,often——70%~60%,sometimes,attimes——30%~40%,seldom,hardlyever——5%,never——0%中考英语专项复习形容词和副词2、such和so的区分1）such是形容词，常修饰名词。它有如下结构：①such+a/an+形容词+n.(可数名词单数)，如：It’ssuchabeautifulflower.Youhavetoldussuchaninterestingstory.②such+形容词+n.(可数名词复数)，如：Youhavemadesuchfoolishmistakes.③such+形容词+n.(不可数名词)，如：I’mverygladthatIcangetsuchgoodadvicefromyou.中考英语专项复习形容词和副词2、such和so的区分2）so是副词，表示程度，修饰形容词或副词。它有如下结构：①so+形容词/副词，如：ThisquestionissodifficultthatIcan’tanswerit.②so+形容词+a/an+可数名词单数，如：Thisissodifficultaquestionthatallofuscannotanswerit.另外在many,much,few,little+名词的前面，只能用so,不能用such。例如：ThereissolittlemilkintherefrigeratorthatIhavetobuysome.中考英语专项复习形容词和副词【例1】—Whichis_________seasoninBeijing?—Ithinkit'sautumn.A.goodB.betterC.bestD.thebest典型例题解析【例2】Itis______todaythanyesterday.Shallwegoswimmingthisafternoon?A.thehottestB.hotC.hottestD.hotterDD【例3】Jimisrunning_______Bruce.They'reneckandneck,［A.fasterthanB.asfastasC.asfasterasD.moreslowlythanB典型例题解析【例4】Hermotherwasout.Shestayedathome______,butshedidn‘tfeel______.A.alone,lonelyB.lonelyaloneC.alone,lonelyD.lonely,alone【例5】—Isthephysicsproblem_____?—Yes,Icanworkitout_______.A.easy,easilyB.easy,easyC.easily,easyD.easily,easilyAA强化练习题：1.Thehorseisgettingoldandcannotrun____itdid.A.asfasterasB.sofastthanC.sofasterasD.asfastas2.Thestudentsare____youngpeoplebetweentheagesofsixteenandtwenty.A.mostB.almostC.mostlyD.atmost3.Thisyeartheyhaveproduced_____grain____theydidlastyear.A.asless,asB.asfew,asC.less,thanD.fewer,than4.----CanIhelpyou?----Well,I’mafraidtheboxis____heavyforyou,butthankyouallthesame.A.soB.muchC.veryD.too5.----Excuseme,isthisMrBrown’soffice?----I’msorry,butMrBrown____workshere.Heleftaboutthreeweeksago.A.notnowB.nomoreC.notstillD.nolongermoreinterestingⅢ.单项选择1.Whata______cough!Youseen___ill.A.terrible,terriblyB.terribly,terribleC.terrible,terribleD.terribly,terribly2.Thecarisrunning________.Itseemstobeflying.A.moreandfasterB.moreandfastC.fastandfastD.fasterandfaster3.Ifeeleven_________now.A.badB.wellC.worseD.worst课时训练ADC4.Shewasveryhappy.Sheran_______ofalltherunners.A.fastestB.thequickestC.slowestD.quickly5.Keepquiet,please.It's___noisyhere.A.manytooB.toomanyC.muchtooD.toomuch6.—Haveyou__spokentoaforeigner—No,_________.A.already,neverB.ever,neverC.yet,alreadyD.ever,ever7.Heistallerthan________inhisclass.A.anyboyB.anyboysC.anyotherboyD.someotherboyACBC8.I'llgoandvisityou______nextweek.A.sometimeB.sometimesC.sometimeD.sometime9.--Whatwastheweatherlikeyesterday?--Itwasverybad.Itrained_____peoplecould____goout.A.hard,hardB.hardly，hardC.hardly,hardlyD.hard，hardly10.Englishisas______asChinese.Youshouldlearnitwell.A.importantB.moreimportantC.themostimportantD.muchmoreimportantCDA11.Musicisnotsousefulasscience.It's_________usefulthanscience.A.fewerB.lessC.moreD.alot12.Helooks_________.A.goodB.wellC.happilyD.worriedly13.We'veneverheardof_________storybefore.A.suchastrangeB.suchstrangeC.soastrangeD.sostrange14.Youmustwearglasses.Theycankeepyoureyes______A.softB.safeC.safelyD.safety15.Wouldyoupleasespeak______?Istillcan'tfollowyou.A.slowB.muchslowC.muchslowlyD.moreslowly课时训练BBABD1.--Ischemistrymoredifficultthanphyscis?--No,chemistryisn’tas___asPhyscis.A.easyB.difficultC.easierD.moredifficult2.Inthispartofthecountry,wateris___oil.A.sodearasB.asdearasC.dearasD.sodear3.Thebreadis____thanthesecakes.A.verydeliciousB.muchdeliciousC.moredeliciousD.asdeliciousCBB二.单选题4.Inourcityit’s____inJuly,butitiseven_____inAugust.A.hotter;hottestB.hot;hotC.hotter;hotD.hot;hotterD10.TheYellowRiveristhesecond________(long)riverinChina.11.ZhaoLeiisoneof_______________(young)boysinhisschool.12.Whichis___________(big),thesun,theearthorthemoon?longesttheyoungestthebiggest四.用所给词的适当形式填空.13.Maryhasthreebrothers.Smithis___________(tall)ofthethree.thetallest14.MountQomolangmais__________(high)intheworld.thehighest15.J