八年级英语下册Unit7What'sthehighestmountainintheworld语法专题_GrammarFocus习题课件新版人教新目标版.ppt

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1、Unit7　What'sthehighestmountainintheworld?八年级下册英语（人教版）单元语法专题—GrammarFocus百位数的基数词，百位和十位(若无十位，则和个位)之间一般需用and连接。英语中千位数以上的阿拉伯数字，一般从个位向十位、百位等高位数，每三位数加一个逗号。第一个逗号前的数字后加thousand，第二个逗号前的数字后加million，第三个逗号前的数字后加billion。如：15，628fifteenthousand，sixhundredandtwentyeight16，312，493，678sixteenbillion，threehundred

2、andtwelvemillion,fourhundredandninetythreethousand，sixhundredandseventyeight【温馨提示】当hundred,thousand,million,billion前有具体数词修饰时，这些词后既不能带s，也不能带of；当hundred,thousand,million,billion等词与介词of连用时，用复数形式，表示不确定数目，其前不可与数词连用。如：fivemillion五百万hundredsof数以百计的thousandsof数以千计的millionsof数以百万计的◆原级前可以用very，quite，rathe

3、r，too，so，pretty等修饰，表示程度。如：Thestoryisveryinteresting.◆比较级前可以用much，alittle，abit，even等修饰。Theshoesarealittlebiggerforme.◆比较级的特殊句型1．“The＋比较级，the＋比较级”意为“越……越……”。如：Thebusierweare，thehappierwewillbe.2．“比较级＋and＋比较级”意为“越来越……”。如：Ourcountryisgettingstrongerandstronger.◆最高级的特殊句型1．疑问词＋be＋the＋最高级。如：Whichistheb

4、iggest，thesun，themoonortheearth?2．“the＋序数词＋最高级”意为“第几……”。如：TheYellowRiveristhesecondlongestriverinChina.3．“oneofthe＋最高级＋复数名词”意为“最……之一”。如：Shanghaiisoneofthebiggestcitiesintheworld.一、用括号内所给单词的适当形式填空。1．Annis_______________(careful)thananyotherstudentinherclass.2．Theearthisgetting_______________and__

5、____________(warm)．3．The__________(hard)youstudy，the________(much)youwilllearn.4．Whois________________(tall)ofthetwogirls?5．Thetigerweighsmanytimes_____________(much)thanthecat.morecarefulwarmerwarmerhardermorethetallermore二、单项选择。6．Thenumber4，123isread____．A．fourthousandonehundredandtwentythreeB

6、．fourthousandandonehundredtwentythreeC．fourthousandandahundredandtwentythreeD．fourthousandsahundredandtwentythreeA7．Thebridgeisover____meterslong.A．eighthundredandsixtythreeB．eighthundredsandsixtythreeC．eighthundred，sixtythreeD．eighthundred，sixtyandthreeA8．(德阳中考)Mymotherishardworking.____shedoes

7、formyfamily,________shefeels.A．More；happierB．Themuch；thehappyC．Themore；thehappierD．Themost；thehappiestC9．(眉山中考)—DoyouknowthatChinaisoneof____countriesintheworld?—Yes,Ido.It's________olderthanAmerica.A．theoldest；veryB．old；ver