新概念英语青少版 2b Unit 24(课堂PPT)
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新概念英语青少版 2b Unit 24
形容词和副词的比较级和最高级 词变形
重读闭音节，且只有一个辅音字母结尾时，双写最后一辅音字母加-er, -est hot hotter hottest big thin red wet
fat
sad
形容词和副词的比较级和最高级 词变形
多音节在词前直接加more/most
exciting
interesting friendly excited
Lesson 47
obviously
obvious adj.
e.g.Obviously, she needs help. It isn't obvious,is it?
Lesson 47
answer n.
eg. Do you know the answer to this question?
Do you answer the question?
Lesson 47
than
e.g. Tom is taller than Tim.
Lesson 47
continent
e.g.Australia is a large continent. There are seven continents in the world.
Lesson 47
low
e.g. I find a low-fat yoghurt. low income a low voice
Lesson 47
population density 人口密度 eg. The density of population in this city is very high. Which continent population density? has low
新概念青少版1b ppt课堂演示 Unit 24 A light dinner精品PPT课件
22.01.2020
13
Read aloud and influently(2)
2. Do you want any sweets? No, thank you, but I want some chocolates. Do you want any fish? No, thank you, but I want some meat. Do you want any wine? No, thank you, but I like some beer.
pick
[pik]
strawberry ['strɔ:bəri]
dessert [di'zə:t]
healthy ['helθi]
meal
[mi:l]
worry
['wʌri]
cream
[kri:m]
first
[fə:st]
22.01.2020
6
Learn to speak good words! 学夸奖！
That’s fantastic! This is great！ Wonderful!
22.01.2020
7
Lesson 48
Pronunciation (pp70)
New words and expressions (pp70)
Pronunciation ( Lesson 48)
And do you want any beer?
N22.o01.,202t0hank you, I don’t like beer very much.
15
Key to Written Exercise (1)
(lesson 48 ,pp72 )
青少新概念2B+Unit+24---教师版
Unit 24A quizGrammar【名称】形容词比较等级之规则变化篇【含义及用法】在英语里，当事物特点属性进行比较时，形容词需要进行变形来体现差异的存在。
我们把形容词变形后的形式称之为形容词比较等级。
它有两种形式，分别为形容词比较级和形容词最高级。
【构成】1. 直接加-er,-est E.g. small- smaller- smallest tall-taller-tallest,2. 以e结尾的直接加-r,-st E.g. brave-braver-bravest,3. 以辅音字母+y结尾的,先把y改为i再加上-er,-est E.g. pretty-prettier-pretties4. 以重读闭音节结尾的,要双写最后一个辅音字母,后加-er,-est E.g. hot-hotter-hottest 【关键词】than, the ,in ,of, one ofE.g. Shanghai is the largest city in China，上海是中国最在大的城市。
Yao Ming is taller than Liu Xiang. 姚明比刘翔高。
The Nile is the longest river in the world.尼罗河是全世界最长的河。
PracticeMultiple choice.( ) 1. It takes more time to go there by ship than by bus. It’s ________ by train of the three.A. fasterB. the fastestC. fastD. much fast (2008广东中考)答案：本题考查形容词比较等级。
由题干of the three 可知为三者比较，故选最高级形式的a选项。
( ) 2．---Which is ________ river in China?---The Changjiang River. (2005武汉中考)A. longerB. the longestC. longestD. the longer答案：本题考查形容词比较等级。
Unit24Alightdinner(课件)新概念英语青少版1B
Karen: Well, here’s a bowl. You and Paul can pick some strawberries from the garden.Then we can have some fruit fordessert.
从，介词
然后
表示目的的介词，for dinner, for birthday
['letɪs]
cucumber
['kjuːkʌmbə]
pick
strawberry
['strɔːb(ə)rɪ]
strawberries
dessert
[dɪ'zɜːt]
甜点
fantastic
[fæn'tæstɪk]
极好的
healthy
['helθɪ]
健康的
meal /mi:l/
worry
4) 以f或fe结尾的名词，多数变f为v加es: wives, knives.但有些词只加s: roofs, proofs, chiefs. 5) 以o结尾的名词，有些加es: Negroes, heroes, tomatoes, potatoes.其它加s: radios, zoos, pianos, photos.
2.You can have some cream with your ______ . A. rice B. hamburger C. chicken D. strawberries
3. I've ___ lots of potatoes in the kitchen! A. go B. got C. like D. want
Karen: There’s some lettuce and some cucumber. Is that OK?Claire: That’s fantastic, Karen!It’s my favourite kind of food!
从，介词
然后
表示目的的介词，for dinner, for birthday
['letɪs]
cucumber
['kjuːkʌmbə]
pick
strawberry
['strɔːb(ə)rɪ]
strawberries
dessert
[dɪ'zɜːt]
甜点
fantastic
[fæn'tæstɪk]
极好的
healthy
['helθɪ]
健康的
meal /mi:l/
worry
4) 以f或fe结尾的名词，多数变f为v加es: wives, knives.但有些词只加s: roofs, proofs, chiefs. 5) 以o结尾的名词，有些加es: Negroes, heroes, tomatoes, potatoes.其它加s: radios, zoos, pianos, photos.
2.You can have some cream with your ______ . A. rice B. hamburger C. chicken D. strawberries
3. I've ___ lots of potatoes in the kitchen! A. go B. got C. like D. want
Karen: There’s some lettuce and some cucumber. Is that OK?Claire: That’s fantastic, Karen!It’s my favourite kind of food!
Unit24 A quiz Lesson48(课件)-新概念英语青少版 2B
Review
North America
Europe
South America
Antarctica
Asia
Africa
Australia
Part 2 New Words
New Words
in fact
/ɪn ‘fæ kt/
adv.实际上
competition
/,kɒmpə‘tɪʃən/
n.比赛
brave
The Nile is longer____t_h_a__nthe Amazon.
Review
LUCY: Is it? ROBERT: Yes. They’re______b_o_ltohng rivers.
It isn’t____o_b__v_i_o_u_s_, is it? LUCY: No. It’s a____g_o__o_d__question.
A:AW:Bhoob's'sthaetatallllbeosty.boy in our class? B:BD:aYnesis, .bDuatnJ'oshthn'es ttaalllleesrtt.han Bob.
A:Bob, John and Dan are all tall. A:BJo:Yhens',sbtuatlleDratnh'santhBeotba.llest of the three.
Pattern Practice
Jane – brave girl Mary – braver
Ann – the bravest in the class
AA::WJanheo’'ss athberabvreavgeisrtl. girl in the class? B: Yes, but Mary’s braver than Jane. B:Ann is. Ann's the bravest. A:Jane,Mary and Ann are all brave. BA:YMeas,ryb’us tbAranvne'sr thaenbJranves. t of the three.
新概念英语青少版 2b Unit 24(课堂PPT)
low e.g. I find a low-fat yoghurt. low income a low voice
7
Lesson 47
population density 人口密度 eg. The density of population in this city is very high. Which continent has low population density?
11
Lesson 47
obviously obvious adj. e.g.Obviously, she needs help. It isn't obvious,is it?
12
Lesson 47
answer n. eg. Do you know the answer to this question? Do you answer the question?
直接加-er, -est. tall taller tallest strong long 以e结尾加-r, -st brave braver bravest nice large
辅音字母+y结尾，y→i加-er, -est pretty prettier prettiest untidy dirty happy
No, it’s a good question. 否定形式的陈述句+肯定形式的反意疑问句，期望得到肯定的回 答。
18
Lesson 47
7.Australia’s a continent, and it has only six people to the square mile.
不定冠词a表示类别 表示比例的介词全部用to e.g. 1:2---one to two the square mile---定冠词强调整体中具代表性的一部分.
7
Lesson 47
population density 人口密度 eg. The density of population in this city is very high. Which continent has low population density?
11
Lesson 47
obviously obvious adj. e.g.Obviously, she needs help. It isn't obvious,is it?
12
Lesson 47
answer n. eg. Do you know the answer to this question? Do you answer the question?
直接加-er, -est. tall taller tallest strong long 以e结尾加-r, -st brave braver bravest nice large
辅音字母+y结尾，y→i加-er, -est pretty prettier prettiest untidy dirty happy
No, it’s a good question. 否定形式的陈述句+肯定形式的反意疑问句，期望得到肯定的回 答。
18
Lesson 47
7.Australia’s a continent, and it has only six people to the square mile.
不定冠词a表示类别 表示比例的介词全部用to e.g. 1:2---one to two the square mile---定冠词强调整体中具代表性的一部分.
新概念青少版 1B unit 24课件
• Robert: Mum!Sam’s__!He___.Whay about dinner? • Karen: That’s OK.___food.Sam can have dinner___.He’s
very___. • Robert: Thanks,Mum. • Karen: But you___first.Please do that now this
1
Ask each other questions.
• 1.Do you like fish? • 2.Do you like meat? • 3.What kind of vegetables do you like? Do you
like potatoes? lettuce? cucumber? • 4.What kind of fruit do you like? Do you like
• hate 憎恨，讨厌 • sweet 糖果，甜食 • wine 葡萄酒
PPT学习交流
19
Pattern Practice Ask and answer questions
• 1 A: Do you like vegetables? • B: Yes,I do. • A: Do you like fruit? • B: No,I don’t.
PPT学习交流
6
Does Claire really like salmon?
Yes, she does.
Has Karen got a piece of salmon for breakfast?
No, she hasn’t.
PPT学习交流
7
Does Claire like vegetables?
PPT学习交流
very___. • Robert: Thanks,Mum. • Karen: But you___first.Please do that now this
1
Ask each other questions.
• 1.Do you like fish? • 2.Do you like meat? • 3.What kind of vegetables do you like? Do you
like potatoes? lettuce? cucumber? • 4.What kind of fruit do you like? Do you like
• hate 憎恨，讨厌 • sweet 糖果，甜食 • wine 葡萄酒
PPT学习交流
19
Pattern Practice Ask and answer questions
• 1 A: Do you like vegetables? • B: Yes,I do. • A: Do you like fruit? • B: No,I don’t.
PPT学习交流
6
Does Claire really like salmon?
Yes, she does.
Has Karen got a piece of salmon for breakfast?
No, she hasn’t.
PPT学习交流
7
Does Claire like vegetables?
PPT学习交流
青少版新概念英语24
6/10/2014
KAREN: KAREN:
like
. .
?
really like !
CLAIRE: love I’ve got
for dinner tonight.
.
KAREN: CLAIRS: KAREN:
like like I’ve got , too. and
?
KAREN: There
cucumber.
Is that OK?
CLAIRE: That’s fantastic, Karen!
It’s my favourite kind of food!
KAREN: Well, here’s a bowl. You and Paul can pick some strawberries from the garden.
6/10/2014
• 2.some 的用法 • some 既可接可数名词也可接不可数名词 • eg. some potatoes, some vegetables, some strawberries • some salmon, some lettuce, some cucumber, some dessert, some cream. • 在there be 句型中，当some 接不可数名词 时，我们就应该用there is. • There is some lettuce and some cucumber in the fridge. • There is some ice-cream and some fish on the table.
1 A
B 5
6/10/2014
A 5
B 6
6/10/2014
1. Does Claire like salmon? 2. Does Claire like vegetables? 3. Is Paul very thirsty or hungry?
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17
Lesson 47
4. I looked it up yesterday. look up---查阅/找
5.They’re both long rivers. both= not only one, but also the other(不止这一个，而且另一个)，分配词，修饰
（双）主语。“两者都.....” 放在be和助动词后面，主要动词前面 6.It isn’t obvious, is it?
3
Lesson 47
try out (on) e.g.We can try it out on this mouse.
try on 试穿(衣服等)；试戴；试用 try n. have a try
v. try to do sth. try doing sth. try one’s best to do sth.
直接加-er, -est. tall taller tallest strong long 以e结尾加-r, -st brave braver bravest nice large
辅音字母+y结尾，y→i加-er, -est pretty prettier prettiest untidy dirty happy
9
Lesson 47
trick question
trick These children loved playing tricks on their teacher. He played some clever magic tricks.
10
Lesson 47
square mile e.g.The area of China is 9,600,000 square miles.
4
Lesson 47
than e.g. Tom is taller than Tim.
5
Lesson 47
continent e.g.Australia is a large continent. There are seven continents in the world.
6
Lesson 47
( )3. It is said that it is ___ today than yesterday. Shall we go swim ming this afternoon? A. the hottest B. hot C. hottest D. hotter
26
Pattern practice
1. A: Bob’s a tall boy. B: Yes, but John’s taller than Bob.
27
Pattern practice
2.A: Bob, John and Dan are all tall. B: Yes, but Dan’s the tallest of the three.
16
Lesson 47
3.the Nile/the Amazon---河流、大海、大洋的专有名词前用定冠词，这些专 有名词中的river, sea和ocean可以省略
如：the (River) Thames, the Mediterranean (Sea), the Pacific (Ocean)
15
Lesson 47
2. Which is the highest mountain in the British Isles? 当把某人或某物与同类别的一个以上的人或物相比较时，我们使用最高级the highest mountain (the uniquely high mountain 唯一的高的山) in+单数可数名词/不可数名词（表全部的范围） British Isles---地理名词，包括不列颠、爱尔兰和马恩岛在内的政治实体
answer
n. 回答，答复
2
Lesson 47
quiz e.g.We will have a quiz tomorrow
morning.
examination正式的“考试”，如期末考 试、入学考试等。 exam 是examination的缩写，常用于口 语，多为学生使用。 test为“小考 ” quiz 为“测验”,特指事先无准备，随时 进行的测验，也可指（广播节目中的） 一般知识测验、问答比赛、猜谜等
No, it’s a good question. 否定形式的陈述句+肯定形式的反意疑问句，期望得到肯定的回 答。
18
Lesson 47
7.Australia’s a continent, and it has only six people to the square mile.
不定冠词a表示类别 表示比例的介词全部用to e.g. 1:2---one to two the square mile---定冠词强调整体中具代表性的一部分.
19
Lesson 48
New words and expressions In fact adv.(viewpoint)(focus)实际上 competition n.比赛 brave adj.勇敢的 uncle n. 叔叔，伯父 untidy adj. 不整洁的 person n.人
20
Grammar----形容词和副词变形
重读闭音节，且只有一个辅音字母结尾时，双写最后一辅音字母加-er, -est hot hotter hottest big thin red wet fat sad
22
形容词和副词的比较级和最高级 词变形
多音节在词前直接加more/most exciting more exciting most exciting interesting friendly excited
8
Lesson 47
population The world population is increasing faster and faster. About seventy percent of the population in China are farmers. India has a large population. Singapore has a small population. What is the population of Canada?
Uint 24
A quiz
1
Lesson 47
New words and expressions:
quiz n. 问答比赛，小测试
try out (on) v.+adv.
particle
(transitive) (+prep. + object)试一试
than conj. (comparison)比
Tom is the taller of the two.
句中常带有表示比较范围的介词 in…或of…
e.g. Yao Ming is the tallest of the players.
注：形容词最高级前必须加the
e.g. Tom is the tallest in his class.
25
练习
11
Lesson 47
obviously obvious adj. e.g.Obviously, she needs help. It isn't obvious,is it?
12
Lesson 47
answer n. eg. Do you know the answer to this question? Do you answer the question?
31
Lesson 48
32
Homework
测试卷
33
low e.g. I find a low-fat yoghurt. low income a low voice
7
Lesson 47
population density 人口密度 eg. The density of population in this city is very high. Which continent has low population density?
continent n. 大陆，洲
low adj. 低的
population density compound n. 人 口密度
trick question compound n. 陷阱问 题(看似容易其实困难的问题) square mile compound n. 平方英 里
obviously adv. (viewpoint) (manner) 明显的
29
Pattern practice
4. (Not with pictures R and S) A: Who’s the tallest boy in our class? B: Dan is. Dan’s the tallest.
30
Pattern practice
5. A: John’s taller than Bob. B: You’re right. But Dan’s taller than John. In fact, Dan’s the tallest boy in our class.
24
形容词和副词的比较级和最高级
比较级：用于两者之间进行比较
最高级：表示三者或三者以上的比较，意为 “最…”
......动词+比较级+than....... (...比...更...) ......the+比较级+of the two (两者中，
比较...的那个)
e.g. Tom is taller than Jim.
28
Pattern practice
3.A: Who’s taller---Bob or John? /Which is hotter---June or July?
Lesson 47
4. I looked it up yesterday. look up---查阅/找
5.They’re both long rivers. both= not only one, but also the other(不止这一个，而且另一个)，分配词，修饰
（双）主语。“两者都.....” 放在be和助动词后面，主要动词前面 6.It isn’t obvious, is it?
3
Lesson 47
try out (on) e.g.We can try it out on this mouse.
try on 试穿(衣服等)；试戴；试用 try n. have a try
v. try to do sth. try doing sth. try one’s best to do sth.
直接加-er, -est. tall taller tallest strong long 以e结尾加-r, -st brave braver bravest nice large
辅音字母+y结尾，y→i加-er, -est pretty prettier prettiest untidy dirty happy
9
Lesson 47
trick question
trick These children loved playing tricks on their teacher. He played some clever magic tricks.
10
Lesson 47
square mile e.g.The area of China is 9,600,000 square miles.
4
Lesson 47
than e.g. Tom is taller than Tim.
5
Lesson 47
continent e.g.Australia is a large continent. There are seven continents in the world.
6
Lesson 47
( )3. It is said that it is ___ today than yesterday. Shall we go swim ming this afternoon? A. the hottest B. hot C. hottest D. hotter
26
Pattern practice
1. A: Bob’s a tall boy. B: Yes, but John’s taller than Bob.
27
Pattern practice
2.A: Bob, John and Dan are all tall. B: Yes, but Dan’s the tallest of the three.
16
Lesson 47
3.the Nile/the Amazon---河流、大海、大洋的专有名词前用定冠词，这些专 有名词中的river, sea和ocean可以省略
如：the (River) Thames, the Mediterranean (Sea), the Pacific (Ocean)
15
Lesson 47
2. Which is the highest mountain in the British Isles? 当把某人或某物与同类别的一个以上的人或物相比较时，我们使用最高级the highest mountain (the uniquely high mountain 唯一的高的山) in+单数可数名词/不可数名词（表全部的范围） British Isles---地理名词，包括不列颠、爱尔兰和马恩岛在内的政治实体
answer
n. 回答，答复
2
Lesson 47
quiz e.g.We will have a quiz tomorrow
morning.
examination正式的“考试”，如期末考 试、入学考试等。 exam 是examination的缩写，常用于口 语，多为学生使用。 test为“小考 ” quiz 为“测验”,特指事先无准备，随时 进行的测验，也可指（广播节目中的） 一般知识测验、问答比赛、猜谜等
No, it’s a good question. 否定形式的陈述句+肯定形式的反意疑问句，期望得到肯定的回 答。
18
Lesson 47
7.Australia’s a continent, and it has only six people to the square mile.
不定冠词a表示类别 表示比例的介词全部用to e.g. 1:2---one to two the square mile---定冠词强调整体中具代表性的一部分.
19
Lesson 48
New words and expressions In fact adv.(viewpoint)(focus)实际上 competition n.比赛 brave adj.勇敢的 uncle n. 叔叔，伯父 untidy adj. 不整洁的 person n.人
20
Grammar----形容词和副词变形
重读闭音节，且只有一个辅音字母结尾时，双写最后一辅音字母加-er, -est hot hotter hottest big thin red wet fat sad
22
形容词和副词的比较级和最高级 词变形
多音节在词前直接加more/most exciting more exciting most exciting interesting friendly excited
8
Lesson 47
population The world population is increasing faster and faster. About seventy percent of the population in China are farmers. India has a large population. Singapore has a small population. What is the population of Canada?
Uint 24
A quiz
1
Lesson 47
New words and expressions:
quiz n. 问答比赛，小测试
try out (on) v.+adv.
particle
(transitive) (+prep. + object)试一试
than conj. (comparison)比
Tom is the taller of the two.
句中常带有表示比较范围的介词 in…或of…
e.g. Yao Ming is the tallest of the players.
注：形容词最高级前必须加the
e.g. Tom is the tallest in his class.
25
练习
11
Lesson 47
obviously obvious adj. e.g.Obviously, she needs help. It isn't obvious,is it?
12
Lesson 47
answer n. eg. Do you know the answer to this question? Do you answer the question?
31
Lesson 48
32
Homework
测试卷
33
low e.g. I find a low-fat yoghurt. low income a low voice
7
Lesson 47
population density 人口密度 eg. The density of population in this city is very high. Which continent has low population density?
continent n. 大陆，洲
low adj. 低的
population density compound n. 人 口密度
trick question compound n. 陷阱问 题(看似容易其实困难的问题) square mile compound n. 平方英 里
obviously adv. (viewpoint) (manner) 明显的
29
Pattern practice
4. (Not with pictures R and S) A: Who’s the tallest boy in our class? B: Dan is. Dan’s the tallest.
30
Pattern practice
5. A: John’s taller than Bob. B: You’re right. But Dan’s taller than John. In fact, Dan’s the tallest boy in our class.
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形容词和副词的比较级和最高级
比较级：用于两者之间进行比较
最高级：表示三者或三者以上的比较，意为 “最…”
......动词+比较级+than....... (...比...更...) ......the+比较级+of the two (两者中，
比较...的那个)
e.g. Tom is taller than Jim.
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Pattern practice
3.A: Who’s taller---Bob or John? /Which is hotter---June or July?