t 9 Sea water and rain water_学案1.doc

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1、Unit9Seawaterandrainwater【学习目标】1．能正确理解和运用本课出现的重要单词和短语。2．读懂课文，能掌握主要信息和细节信息，并能介绍相关内容。【学习重难点】1．正确理解和运用本课出现的重要单词和短语。2．掌握主要信息和细节信息，并能介绍相关内容。【学习过程】一、分数的表达方式。3/4:______________________.1/4:______________________.1/2:______________________.二、单项选择1．About_______ofteachersarewomeninourschool

2、.A．two-three.B．two-third.C．two-thirds.D．second-threes.2．Almost________oftheEarthiswater.A．Aquarter.B．threequarters.C．one-fourths.D．first-fourth.3．Threequartersofthecake____enoughforthebaby.A．are.B．were.C．is.D．will.3/34．Aquarteroftheseapples____toomuchforme,butthreequartersofthewat

3、er____nottoomuch.A．is,is.B．are,is.C．is,are.D．are,are.三、WhalesarethelargestanimalsontheEarth.large-larger(比较级)-thelargest（最高级）形容词的最高级用于三者或以上人或物之间的比较，表示“最……”含义。（一）形容词最高级的构成：（单音节或双音节形容词）a)一般在词尾加-est:high---thehighest;tall---_________.b)以字母e结尾的形容词，在词尾加-st:fine---thefinest;nice---_____

4、____.c)以重读闭音节结尾，则双写结尾字母再加-est:big---thebiggest;fat---___________;thin---__________.d)以辅音字母+y结尾，把y变成i，再加-est:easy---theeasiest;early---_________;heavy---_________.（多音节形容词）多音节形容词的最高级在前面加most:beautiful---themostbeautiful;dangerous---_______________;intelligent---______________;import

5、ant---_______________.3/3不规则形容词：good---thebest;many/much---themost；little---theleast.（二）句中出现由介词of,in,on组成的短语，暗示是三者以上的比较时，用最高级。e.g.WhalesarethelargestanimalsontheEarth.Sheisthebeststudentsinourclass.Johnisthetallestofthethreeboys.对应练习：5．BeijingismorebeautifulthananyothercityinNorth

6、China.(同义句)Beijingis_____________________cityinNorthChina.6．WhalesarelargerthananyotheranimalsontheEarth.(同义句)Whalesare______________animalsontheEarth.7．Icecream,purewateroricedblacktea,whichdoyoulike_____duringthehotsummerdays?A．good.B．well.C．better.D．best.8．ShanghaiWorldFinancia

7、lCenteristhe___________(tall)buildinginChina.9．Theredappleisthe____________(big)ofthethree.（三）oneof+the+最高级+名词的复数形式表示：最……的之一。10．Eddieisoneof_______inourclass.A．themostintelligentstudent.B．themoreintelligentstudent.C．mostintelligentstudents.D．themostintelligentstudents.11．Shanghaii

8、soneofthebiggest_______intheocean