八年级英语上册《Unit 3 Computers》导学案3（新版）牛津深圳版 .doc

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1、《Lesson3》【学习目标】1.学习形容词比较级的构成方式2.能运用形容词比较级简单描述事物【重难点预测】重点：学习形容词比较级的构成方式难点：运用形容词比较级简单描述事物【学习流程】1.填空，完成下面的短文。Thefirstcomputerswere_______(big)thancars,butnowtheyarebecoming_________(small)and________(good).Computerscancalculateata________(fast)speedthanwecan.Computer

2、sarenot________(clever)thanhumanbeings,buttheymaybeabletodoa_________(good)jobthanus.Inthepast,computerswere________(much)expensive,butnowtheyaremuch______(cheap).Ⅱ、自主探究完成教材P39Workouttherule部分的内容，并总结形容词比较级的构成方式比较级形式例词单音节形容词大多数单音节形容词+-erhigh—highersmall—smaller以-e结

3、尾+-rlarge—largerwide—wider一个元音+一个辅音双写辅音字母，再加-erbig—biggerhot—hotter双音节形容词以-y或-ly结尾把y改为i再加erhappy—happiersilly—sillier以非重读元音/l/或//ə(r)/结尾+-er（-r）clever—cleverersimple—simpler以-ful，-less，-ed，-ing结尾more+形容词原级careful—morecarefulboring—moreboring多音节形容词含三个或三个以上more+形容词原

4、级difficult—moredifficultbeautiful—morebeautifulⅢ、合作交流模仿所给例子，运用比较级进行对话Canada，China（country/big）e.g.S1:Whichcountryisbigger,CanadaorChina?S2:CanadaisbiggerthanChina.Ⅳ、总结反思收获策略与反思