青少新概念1B Unit 25

1、青少新概念1B Unit 25Lets review!青少新概念1B Unit 25 love 爱，喜爱爱，喜爱 pick 摘摘 salmon 鲑鱼鲑鱼 strawberry 草莓草莓 piece 一片，一块一片，一块 dessert 甜点甜点 tonight 今晚今晚 healthy 健康的健康的 potato 土豆土豆 meal 膳食膳食 lettuce 生菜生菜 worry 担心担心 cucumber 黄瓜黄瓜 cream 奶油奶油 fantastic 极好的极好的 first 首先首先青少新概念1B Unit 25名词可分为可数名词和不可数名词。名词可分为可数名词和不可数名词。可数名词

2、有单复数之分，前面可加可数名词有单复数之分，前面可加数词数词(one、two、three-)或或冠词冠词（a、an、the）。）。an apple 一个苹果一个苹果 four apples 四个苹果四个苹果a book 一本书一本书 three books 三本书三本书青少新概念1B Unit 25可数名词包括：可数名词包括： (1) (1) 普通名词：普通名词：boyboy男孩男孩 girlgirl女孩女孩 apple apple苹果苹果 book book书书 (2) (2) 集体名词：集体名词：people people 人们人们 人民人民 (3) (3) 少数专有名词少数专有名词: C

3、hina : China 中国中国 青少新概念1B Unit 25不可数名词不可数名词不可数名词主要包括两大类：物质名词与抽象名不可数名词主要包括两大类：物质名词与抽象名词。词。物质名词无法表示为个体的实物，物质名词无法表示为个体的实物，如如：ricerice大米大米、 foodfood食物食物、coffee coffee 咖啡、咖啡、 meatmeat肉肉、 breadbread面包面包、 waterwater水、水、teatea茶茶. .青少新概念1B Unit 25 抽象名词为动作、状态、品质等无抽象名词为动作、状态、品质等无法计数的抽象概念，法计数的抽象概念， 如：如：happyhap

4、py开心开心、sadsad伤心伤心、lovelove爱爱. .名词的单复数变化：名词的单复数变化：规则：规则：1.1.一般情况加一般情况加 - -s s 如：如：mapsbagscars2. .以以s s, , shsh, , chch, , x x等结尾的词加等结尾的词加 - -es如：buses watches3. 3. 以不发音的以不发音的e e结尾的单词，直接加结尾的单词，直接加- -s s如： oranges4. 4. 以辅音字母加以辅音字母加y y结尾的词，变结尾的词，变y y为为i i 加加eses如：baby-babies5. 5. 以以o o结尾的单词：结尾的单词：1.1.加

5、加- -eses的词：的词： 英雄在土豆地里吃西红柿。英雄在土豆地里吃西红柿。heroheroeses potato potatoeses tomato tomatoeses2. 2. 加加- -s s的词：除了上面的词：除了上面3 3个单词，其他以个单词，其他以o结尾的结尾的词都加词都加- -s spianopianos s radio radios s 6. 6. 以以f f或或fefe 结尾的名词变复数时，变结尾的名词变复数时，变f/fef/fe为为v v加加-es-esknifeknife-knivesknivesleafleaf-leavesleaveswolfwolf-wolves

6、 wolves wifewife-wiveswiveslifelife-liveslivesthiefthief-thievesthieves； 名词变复数的不规则变化名词变复数的不规则变化：1. 1. 变单词中的元音部分。变单词中的元音部分。footfoot-feetfeettoothtooth-t teeeeth th mousemouse-mic cemanman-menmen womanwoman-womwome en n 2. 2. 加加-ren-renchildchild-childchildrenren青少新概念1B Unit 25dumplingdumplings青少新概念1B

7、 Unit 25soup soups青少新概念1B Unit 25/fi/fishes/fiiz/fishfishfishes种类种类鱼肉鱼肉青少新概念1B Unit 25ricerices青少新概念1B Unit 25orange juiceorange juices青少新概念1B Unit 25porridgeporridges青少新概念1B Unit 25oniononions青少新概念1B Unit 25vegetables fruitA: Do you like ? B: No, I dont.A: Do you like.? B: Yes, I do.A: Do you want

8、any? B: No, thank you.A: What do you want? B: I want some.potatoes applessweets chocolatestea coffeeCommunication青少新概念1B Unit 25Lets do some exercises!青少新概念1B Unit 25青少新概念1B Unit 25青少新概念1B Unit 25New Words and Expressionsweekend 周末周末 loaf 一块，一条一块，一条shopping 购物购物 Sunday lunch 星期日午餐星期日午餐 supermarket超市

9、超市 Sunday 星期日星期日make 攥写攥写 boring 令人厌烦的令人厌烦的shopping list购物清单购物清单 ice cream冰激凌冰激凌need 需要需要 nasty 难吃的难吃的青少新概念1B Unit 25vDo you often go to the supermarket?vWhat do you buy?vIf you want to buy a lot of things, what should you do first?青少新概念1B Unit 25What “nice things” do they want for the weekend?青少新概念

10、1B Unit 25Lucy: Mum, there isnt any sugar in the house.Karen: I know. I must go to the supermarket. Lets make a shopping list.I must go不可回避的义务。不可回避的义务。 There isnt表示表示“没有，不存在没有，不存在”。sugar不可数，所以用单数不可数，所以用单数isnt。青少新概念1B Unit 25Lucy: Ok. How much sugar do we need?Karen: Two bags. Lucy: Two bags of sugar

11、two bags of数字数字+可数度量单位可数度量单位+of+不可数名词不可数名词,表示不可数名词量表示不可数名词量的多少的多少青少新概念1B Unit 25Lucy: We need some tea, too, Mum. There isnt much tea in the tin. Karen: Lets get four packets. Lucy: Four packets of tea.much+不可数名词用于否不可数名词用于否定句和疑问句。在肯定句定句和疑问句。在肯定句中，我们说中，我们说a lot of tea in the tin。青少新概念1B Unit 25Lucy:

12、What about food for the weekend,Mum? Karen: We need a loaf of bread, some meat for Sunday lunch, and some vegetables, too. What vegetables do we want, Lucy?bread不可数，为了表示不可数，为了表示“多少多少”，要说，要说a loaf of bread ,不是不是a/one bread。loaf复数为复数为loaves, 和和 knife/knives同。同。青少新概念1B Unit 25Lucy: One loaf of bread, a

13、 piece of meat, some vegetablesMum, these things are all really boring. What about some nice things for the weekend? Karen: What kind of things? Lucy: Well, chocolate,and icecream, perhapsWhat about 后面用后面用some,没用没用 any，实际上表示提议，希望得到实际上表示提议，希望得到“yes”回答回答青少新概念1B Unit 25Karen: Youre right.Lets get a box

14、 ofchocolates. Someice cream for youand the boys, and abottle of wine for meand your father!青少新概念1B Unit 25青少新概念1B Unit 25Pronunciationtwenty happy heavy familyeasy busy Lucy strawberry beautiful music new nephewstudent stupid usual useless 青少新概念1B Unit 25New Words and Expressions anything 任何事，任何物任何

15、事，任何物 soap 肥皂肥皂 else 另外，其他另外，其他 large 大的大的 bar 条条 match 火柴火柴 girlfriend 女朋友女朋友青少新概念1B Unit 25青少新概念1B Unit 25青少新概念1B Unit 25a pair of(一对一对) a basket of (一篮一篮) a glass of (一玻璃杯一玻璃杯) a bottle of (一瓶一瓶) a bag of (一袋一袋) a box of(一盒一盒)a cup of (一茶杯一茶杯) a bowl of (一碗一碗) 青少新概念1B Unit 25la bag of(一袋一袋) la pa

16、cket of (一包一包) la loaf of(一个一个 ；一条；一条 ；一块；一块)la piece of (一片一片) la bottle of (一瓶一瓶)la box of(一盒一盒) la bar of(一块一块 )青少新概念1B Unit 252 bags of 4 packets of 3 loaves of 5 pieces of 6 bottles of 7 boxes of 8 bars of青少新概念1B Unit 25青少新概念1B Unit 25青少新概念1B Unit 25青少新概念1B Unit 25青少新概念1B Unit 25青少新概念1B Unit 25

17、a bag ofv 一包糖一包糖 a（one） bag of sugarv 两包糖两包糖 two bags of sugarv 三包糖三包糖 three bags of sugarv 四包糖四包糖 four bags of sugar青少新概念1B Unit 25a bottle ofv一瓶酒一瓶酒 a (one) bottle of winev两瓶酒两瓶酒 two bottles of winev三瓶酒三瓶酒 three bottles of winev四瓶酒四瓶酒 four bottles of wine青少新概念1B Unit 25a packet of一袋茶叶一袋茶叶 a (one)

18、packet of tea两袋茶叶两袋茶叶 two packets of tea三袋茶叶三袋茶叶 three packets of tea四袋茶叶四袋茶叶 four packets of tea青少新概念1B Unit 25How many-？ How many+ pieces of+不可数名词不可数名词+ do we need?我们需要某样不可数东西的包数我们需要某样不可数东西的包数/片数片数-我们需要多少张纸呢？我们需要多少张纸呢？How many pieces of paper do we need?我们需要三张纸。我们需要三张纸。We need three pieces of pape

19、r.青少新概念1B Unit 25How much-？How much+不可数名词不可数名词+ do we need?我们需要某样不可数东西的量。我们需要某样不可数东西的量。我们需要多少纸呀？我们需要多少纸呀？How much paper do we need?我们需要很多纸。我们需要很多纸。We need lots of paper.青少新概念1B Unit 25ltwo bags of sugarlfour packets of teala loaf of breadla piece of meatla box of chocolatesla bottle of winelsome veg

20、etableslsome ice cream青少新概念1B Unit 251 1lA: Whats that?/ What are those?lB: Its . / Theyre .sugarchocolates青少新概念1B Unit 25lA: Do you want any ?lB: Yes, , please.sugarone bag2 2青少新概念1B Unit 25lA: I want of , please.lB: Of course. Here you are. of .sugarsugar3 3a bagOne bag青少新概念1B Unit 254 4lA: Karen

21、needs some .lB: How much does she need?lA: She needs .sugarone bag青少新概念1B Unit 255 5lA: Does she want any ?lB: No, she doesnt want any . but she wants of .winea bagwinesugar青少新概念1B Unit 256 6lA: Can I help you?lB: Yes, I need of , please.lA: Anything else?lB: Yes. I need of , too.a baga bottlesugarw

22、ine青少新概念1B Unit 251. I need a packet of tea.2. I want a loaf of bread.3. He needs two loaves of bread.4. She needs a box of matches(火柴火柴).5. She wants three boxes of chocolates.6. He wants a bag of sweets.7. I want a glass of wine.8. He wants a bottle of beer.10. She wants two bottles of water.青少新概念1B Unit 25填入所缺的单词。填入所缺的单词。l