青少新概念1B Unit 25課件

Let'sreview!青少新概念1BUnit25

love

愛，喜愛

pick

摘

salmon

鮭魚

strawberry

草莓

piece

一片，一塊

dessert

甜點(diǎn)

tonight

今晚

healthy

健康的

potato

土豆

meal

膳食

lettuce

生菜

worry

擔(dān)心

cucumber

黃瓜

cream

奶油

fantastic

極好的

first

首先青少新概念1BUnit25名詞可分為可數(shù)名詞和不可數(shù)名詞?？蓴?shù)名詞有單復(fù)數(shù)之分，前面可加數(shù)詞(one、two、three--)或冠詞（a、an、the）。anapple一個(gè)蘋果

fourapples

四個(gè)蘋果abook一本書threebooks

三本書青少新概念1BUnit25可數(shù)名詞包括：(1)普通名詞：boy男孩

girl女孩apple蘋果book書(2)集體名詞：people人們?nèi)嗣?3)少數(shù)專有名詞:China中國

青少新概念1BUnit25不可數(shù)名詞不可數(shù)名詞主要包括兩大類：物質(zhì)名詞與抽象名詞。物質(zhì)名詞無法表示為個(gè)體的實(shí)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

抽象名詞為動(dòng)作、狀態(tài)、品質(zhì)等無法計(jì)數(shù)的抽象概念，如：happy開心、sad傷心、love愛.青少新概念1BUnit25名詞的單復(fù)數(shù)變化：規(guī)則：1.一般情況加-s如：mapsbagscars2.以s,sh,ch,x等結(jié)尾的詞加-es如：buseswatches3.以不發(fā)音的e結(jié)尾的單詞，直接加-s如：oranges4.以輔音字母加y結(jié)尾的詞，變y為i

加es如：baby---babies青少新概念1BUnit255.以o結(jié)尾的單詞：1.加-es的詞：英雄在土豆地里吃西紅柿。heroespotatoestomatoes2.加-s的詞：除了上面3個(gè)單詞，其他以o結(jié)尾的詞都加-spianosradios

6.以f或fe

結(jié)尾的名詞變復(fù)數(shù)時(shí)，變f/fe為v加-esknife---knives

leaf---leaves

wolf---wolves

wife---wives

life---lives

thief---thieves；青少新概念1BUnit25名詞變復(fù)數(shù)的不規(guī)則變化：1.變單詞中的元音部分。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/fi?/fishes/fi?iz/fish√fishfishes×種類魚肉青少新概念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一塊，一條shopping

購物

Sundaylunch星期日午餐

supermarket超市Sunday

星期日make

攥寫

boring

令人厭煩的shoppinglist購物清單

ice

cream冰激凌need

需要

nasty難吃的青少新概念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…不可回避的義務(wù)。Thereisn’t表示“沒有，不存在”。sugar不可數(shù)，所以用單數(shù)isn’t。青少新概念1BUnit25Lucy:

Ok.

Howmuchsugar

doweneed?Karen:Twobags.Lucy:Twobagsof

sugar…twobagsof…數(shù)字+可數(shù)度量單位+of+不可數(shù)名詞,表示不可數(shù)名詞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+不可數(shù)名詞用于否定句和疑問句。在肯定句中，我們說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不可數(shù)，為了表示“多少”，要說aloafofbread,不是a/onebread。loaf復(fù)數(shù)為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,沒用any，實(shí)際上表示提議，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

條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(一對(duì))

abasketof(一籃)aglassof(一玻璃杯)abottleof(一瓶)

abagof(一袋)

aboxof(一盒)acupof(一茶杯)

abowlof(一碗)

英語中的量詞青少新概念1BUnit25abagof(一袋)apacketof(一包)

aloafof(一個(gè)；一條；一塊)apieceof(一片)

abottleof(一瓶)aboxof(一盒)

abarof(一塊)課文中出現(xiàn)的青少新概念1BUnit252bagsof4packetsof3loavesof

5piecesof6bottlesof

7boxesof8barsof對(duì)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

兩包糖twobagsofsugar

三包糖threebagsofsugar

四包糖fourbagsofsugar青少新概念1BUnit25abottleof一瓶酒a(one)bottleofwine兩瓶酒twobottlesofwine三瓶酒threebottlesofwine四瓶酒fourbottlesofwine青少新概念1BUnit25apacketof一袋茶葉a(one)packetoftea兩袋茶葉twopacketsoftea三袋茶葉threepacketsoftea四袋茶葉fourpacketsoftea青少新概念1BUnit25Howmany---？

Howmany+piecesof+不可數(shù)名詞+doweneed?我們需要某樣不可數(shù)東西的包數(shù)/片數(shù)---我們需要多少張紙呢？Howmanypiecesofpaperdoweneed?我們需要三張紙。Weneedthreepiecesofpaper.青少新概念1BUnit25Howmuch---？Howmuch+不可數(shù)名詞+doweneed?我們需要某樣不可數(shù)東西的量。我們需要多少紙呀？Howmuchpaperdoweneed?我們需要很多紙。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填入所缺的單詞。1Mum,thereisn't

sugar

thehouse.

2

sugar

weneed?3Thereisn'