青少新概念1B Unit 25课件

Let'sreview!青少新概念1BUnit25

love

爱，喜爱

pick

摘

salmon

鲑鱼

strawberry

草莓

piece

一片，一块

dessert

甜点

tonight

今晚

healthy

健康的

potato

土豆

meal

膳食

lettuce

生菜

worry

担心

cucumber

黄瓜

cream

奶油

fantastic

极好的

first

首先青少新概念1BUnit25名词可分为可数名词和不可数名词。可数名词有单复数之分，前面可加数词(one、two、three--)或冠词（a、an、the）。anapple一个苹果

fourapples

四个苹果abook一本书threebooks

三本书青少新概念1BUnit25可数名词包括：(1)普通名词：boy男孩

girl女孩apple苹果book书(2)集体名词：people人们人民(3)少数专有名词:China中国

青少新概念1BUnit25不可数名词不可数名词主要包括两大类：物质名词与抽象名词。物质名词无法表示为个体的实物，如：rice大米、

food食物、coffee咖啡、

meat肉、

bread面包、

water水、tea茶.青少新概念1BUnit25

抽象名词为动作、状态、品质等无法计数的抽象概念，如：happy开心、sad伤心、love爱.青少新概念1BUnit25名词的单复数变化：规则：1.一般情况加-s如：mapsbagscars2.以s,sh,ch,x等结尾的词加-es如：buseswatches3.以不发音的e结尾的单词，直接加-s如：oranges4.以辅音字母加y结尾的词，变y为i

加es如：baby---babies青少新概念1BUnit255.以o结尾的单词：1.加-es的词：英雄在土豆地里吃西红柿。heroespotatoestomatoes2.加-s的词：除了上面3个单词，其他以o结尾的词都加-spianosradios

6.以f或fe

结尾的名词变复数时，变f/fe为v加-esknife---knives

leaf---leaves

wolf---wolves

wife---wives

life---lives

thief---thieves；青少新概念1BUnit25名词变复数的不规则变化：1.变单词中的元音部分。foot---feet

tooth---teeth

mouse---miceman---men

woman---women

2.加-renchild---children

青少新概念1BUnit25dumplingdumpling√s青少新概念1BUnit25soupsoup×s青少新概念1BUnit25/fiſ/fishes/fiſiz/fish√fishfishes×种类鱼肉青少新概念1BUnit25ricerices×青少新概念1BUnit25orangejuiceorangejuices×青少新概念1BUnit25porridgeporridges×青少新概念1BUnit25oniononions√青少新概念1BUnit25vegetables

fruitA:Doyoulike……?B:No,Idon’t.A:Doyoulike…...?

B:Yes,Ido.A:Doyouwantany……?B:No,thankyou.A:Whatdoyouwant?

B:Iwantsome…….potatoesapplessweetschocolatesteacoffeeCommunication青少新概念1BUnit25Let'sdosomeexercises!青少新概念1BUnit25Unit25Theweekendshopping青少新概念1BUnit25IfyoufeelhotinSummer,whatdoyouwant?青少新概念1BUnit25NewWordsandExpressionsweekend

周末loaf一块，一条shopping

购物

Sundaylunch星期日午餐

supermarket超市Sunday

星期日make

攥写

boring

令人厌烦的shoppinglist购物清单

ice

cream冰激凌need

需要

nasty难吃的青少新概念1BUnit25Doyouoftengotothesupermarket?Whatdoyoubuy?Ifyouwanttobuyalotofthings,whatshouldyoudofirst?Questions:青少新概念1BUnit25What“nicethings”dotheywantfortheweekend?ListenandUnderstanding:青少新概念1BUnit25Lucy:Mum,thereisn'tanysugarinthehouse.Karen:Iknow.

Imustgotothesupermarket.Let'smakeashoppinglist.Imustgo…不可回避的义务。Thereisn’t表示“没有，不存在”。sugar不可数，所以用单数isn’t。青少新概念1BUnit25Lucy:

Ok.

Howmuchsugar

doweneed?Karen:Twobags.Lucy:Twobagsof

sugar…twobagsof…数字+可数度量单位+of+不可数名词,表示不可数名词量的多少青少新概念1BUnit25Lucy:Weneedsome

tea,

too,

Mum.

Thereisn’t

much

tea

inthetin.Karen:Let’sgetfour

packets.Lucy:Fourpackets

oftea...much+不可数名词用于否定句和疑问句。在肯定句中，我们说alotofteainthetin。青少新概念1BUnit25Lucy:Whatabout

foodforthe

weekend,Mum?

Karen:Weneeda

loafofbread,some

meatfor

Sunday

lunch,and

some

vegetables,too.

Whatvegetablesdo

wewant,Lucy?bread不可数，为了表示“多少”，要说aloafofbread,不是a/onebread。loaf复数为loaves,和knife/knives同。青少新概念1BUnit25Lucy:

Oneloafofbread,a

pieceofmeat,some

vegetables…Mum,thesethings

areallreallyboring.

Whatabout

some

nice

thingsfortheweekend?Karen:Whatkindof

things?Lucy:Well,chocolate,and

icecream,

perhaps…Whatabout…后面用some,没用any，实际上表示提议，希望得到“yes”回答青少新概念1BUnit25Karen:You’reright.Let’sgetaboxofchocolates.Someicecreamforyouandtheboys,andabottleofwineformeandyourfather!青少新概念1BUnit25Let'smakeashoppinglist.青少新概念1BUnit25Pronunciationtwenty

happy

heavy

familyeasy

busy

Lucystrawberrybeautiful

music

new

nephewstudent

stupid

usual

useless

青少新概念1BUnit25NewWordsandExpressions

anything

任何事，任何物soap肥皂

else

另外，其他

large

大的

bar

条match

火柴

girlfriend

女朋友青少新概念1BUnit25aglassofwater青少新概念1BUnit25apieceofwatermelon青少新概念1BUnit25apairof(一对)

abasketof(一篮)aglassof(一玻璃杯)abottleof(一瓶)

abagof(一袋)

aboxof(一盒)acupof(一茶杯)

abowlof(一碗)

英语中的量词青少新概念1BUnit25abagof(一袋)apacketof(一包)

aloafof(一个；一条；一块)apieceof(一片)

abottleof(一瓶)aboxof(一盒)

abarof(一块)课文中出现的青少新概念1BUnit252bagsof4packetsof3loavesof

5piecesof6bottlesof

7boxesof8barsof对比青少新概念1BUnit25twobagsofsugar青少新概念1BUnit25fourpacketsoftea青少新概念1BUnit25oneloafofbread青少新概念1BUnit25aboxofchocolates青少新概念1BUnit25abottleofwine青少新概念1BUnit25abagof一包糖a（one）bagofsugar

两包糖twobagsofsugar

三包糖threebagsofsugar

四包糖fourbagsofsugar青少新概念1BUnit25abottleof一瓶酒a(one)bottleofwine两瓶酒twobottlesofwine三瓶酒threebottlesofwine四瓶酒fourbottlesofwine青少新概念1BUnit25apacketof一袋茶叶a(one)packetoftea两袋茶叶twopacketsoftea三袋茶叶threepacketsoftea四袋茶叶fourpacketsoftea青少新概念1BUnit25Howmany---？

Howmany+piecesof+不可数名词+doweneed?我们需要某样不可数东西的包数/片数---我们需要多少张纸呢？Howmanypiecesofpaperdoweneed?我们需要三张纸。Weneedthreepiecesofpaper.青少新概念1BUnit25Howmuch---？Howmuch+不可数名词+doweneed?我们需要某样不可数东西的量。我们需要多少纸呀？Howmuchpaperdoweneed?我们需要很多纸。Weneedlotsofpaper.青少新概念1BUnit25twobagsofsugarfourpacketsofteaaloafofbreadapieceofmeataboxofchocolatesabottleofwinesomevegetablessomeicecreamShoppingList青少新概念1BUnit251A:What'sthat?/Whatarethose?B:It's

./They're

.sugarchocolates青少新概念1BUnit25A:Doyouwantany

?B:Yes,

,please.sugaronebag2青少新概念1BUnit25A:Iwant

of

,please.B:Ofcourse.Hereyouare.

of

.sugarsugar3abagOnebag青少新概念1BUnit254A:Karenneedssome

.B:Howmuchdoessheneed?A:Sheneeds

.sugaronebag青少新概念1BUnit255A:Doesshewantany

?B:No,shedoesn'twantany

.butshewants

of

.wineabagwinesugar青少新概念1BUnit256A:CanIhelpyou?B:Yes,Ineed

of

,please.A:Anythingelse?B:Yes.Ineed

of

,too.abagabottlesugarwine青少新概念1BUnit251.Ineedapacketoftea.2.Iwantaloafofbread.3.Heneedstwoloavesofbread.4.Sheneedsaboxofmatches(火柴).5.Shewantsthreeboxesofchocolates.6.Hewantsabagofsweets.7.Iwantaglassofwine.8.Hewantsabottleofbeer.10.Shewantstwobottlesofwater.WrittenExercises:Part2青少新概念1BUnit25填入所缺的单词。1Mum,thereisn't

sugar

thehouse.

2

sugar

weneed?3Thereisn'