人教版（2024）八年级上册（2024）3a-3c多媒体教学ppt课件

这是一份人教版（2024）八年级上册（2024）3a-3c多媒体教学ppt课件，共17页。PPT课件主要包含了greener，warmer，brighter，Brighter，bigger，wider，stronger，Stronger，better，Better等内容，欢迎下载使用。
What adjectives can yu find in the sng?
Grass gets ________.Days gets _________.Sun gets ________. ________and ________.
Dreams get _______.Smiles get ________.Lve gets ________.________ and ________.
I dn’t care abut the things that they say.All I knw is that everything’s ging my way.It gets ______. Oh~ It gets ______.It gets ______. ______and _______.
What d these wrds have in cmmn?
Read the sentences and ntice the cmparatives in bld. Find mre examples in Sectin A.
Emma is taller than Ella, but her hair is shrter than Ella’s.
Ella dances better than Emma, but Emma sings luder than her.
Emma always gets up earlier than me, but I wrk as hard as her!
There are mre activities this year. It is mre clurful than last year.
Read Sectin A and find mre examples.
Wh dances better, Ella r Emma?（Sectin A, 1e）
—Is Ella taller than Emma? —N, she is shrter than Emma.（Sectin A, 1e）
I’m a little quieter than Ella. And she is funnier than me.（Sectin A, 2a）
Many peple say I’m lazier than Emma...（Sectin A, 2a）
形容词和副词的比较级构成是怎样的？
形容词和副词的比较级用法是怎样的？
大多数形容词和副词有三个等级：原级、比较级和最高级。其中比较级表示“更……”，用于两者（人或事物）之间的比较，说明“前者比后者更……”。
Can yu find ut the rules f cmparative degree?
tall→taller fast→faster
以字母e结尾的词，在词尾加-r
large→larger nice→nicer
以“辅音字母+y”结尾的双音节词，变y为i，再加-er
lazy→lazier early→earlier
重读闭音节词尾只有一个辅音字母时，先双写该辅音字母，再加-er
big→biggerfat→fatter
utging→ mre utgingfrgetful→ mre frgetful
many/much →mre little →less gd/well →better bad/badly/ill →wrse far →farther/further ld →lder/elder
多音节词和部分双音节词
_____________
18.friendly 19.beautifully
说出下面单词的比较级形式。
1.nice ______2.fat______3.slw ______4.dry ______5.happy ______ 6.wet ______7.much ______ 8. ill ______ 9.little ______10.bad ______ 11. thin ______ 12.far ______13.early ______ 14. easy ______ 15.few ______ 16.excting______________ 17.careful ______________
farther/further
mre exciting
mre careful
friendlier/mre friendly
mre beautifully
(1)A+ be 动词+形容词比较级+than+ B. A+实义动词+副词比较级+than+ B.
This bx is heavier than that ne. 这个箱子比那个箱子重。 Tm runs faster than Jim. 汤姆跑得比吉姆快。
意为“A 比 B 更……”
(2) A+ be 动词+倍数+形容词比较级+than+ B. A+实义动词+倍数+副词比较级+than+ B.
This ball is fur times bigger than that ne. 这个球是那个球的四倍大。
意为“A是B 的……倍……”
(3)A+ be 动词+the+ 形容词比较级+f the tw(+其他).
Mary is the shrter f the tw. 玛丽是这两个人中较矮的那个。
(4) Which/Wh+be 动词+形容词比较级, A r B? Which/Wh+实义动词+副词比较级, A r B? 意为“哪一个/谁更……，A 还是 B？”
Which by is mre utging, Tm r Jim? 哪一个男孩更外向，汤姆还是吉姆？Wh dances better, Kate r Jane? 谁跳舞跳得更好，凯特还是简？
(5) A+ be动词+形容词比较级+than any ther+ B（可数名词单数）（+其他）．
He is taller than any ther by in his class. =He is taller than the ther bys in his class. 他比他班里的其他任何一个男生都要高。
A+ be动词+形容词比较级+than the ther+ B（可数名词复数）（+其他）．
“A 比其他任何 B 都……”，表示在同一范围内进行比较。这种情况其实是用比较级表达最高级的意思。
（他跟班上的其他男孩比较，属于同一范围）
(6) A+ be动词+形容词比较级+than any + B（可数名词单数）（+其他）．
China is larger than any cuntry in Africa. 中国比非洲的任何国家都大。
“A 比任何 B 都……”，表示在不同范围内进行比较。
（中国跟非洲的国家不属于同一范围）
It’s getting clder and clder in winter. 冬天天气变得越来越冷了。◆ The twn is becming mre and mre beautiful. 这个小镇正变得越来越美丽。
(8) the+比较级, the+比较级 意为“越……，就越……”
The mre yu laugh, the happier yu’ll feel. 你笑得越多，你就会感到越开心。
注意：形容词和副词的比较级前可用much, a little, a lt, far, even, still, any, n, fur times等修饰。但不能用s, very, t等来修饰。
We have a much better life nw.我们现在好得多了。This stry is even mre interesting than that ne. 这个故事比那个更有趣。
I made a lt mre mistakes than yu (did). 我犯的错误比你多多了。Yur cake is a little larger than mine. 你的蛋糕比我的大一点儿。 It’s still clder tday. 今天更冷一些。 —Have yu any mre? 你还有吗? —Oh, srry, n mre. 哦，对不起，没有了。 She’s n better yet. 她一点也没好转。
一、用括号内所给单词的适当形式填空。1. This bridge is the _______ (shrt) f the tw.2. This elephant is three times ______ (big) than that tiger.3. Bb’s grandma is eighty, but she lks much ________ (yung) than she is.4. I think maths is _____________ (difficult) than English. It’s hard fr me t learn it well.5. —Which dg d yu think is _____ (lazy), Hb r Eddie? —I think Eddie is.
mre difficult
二、单项选择。1. He feels ________tday than yesterday. A. tiredB. mre tired C. mre tireder D. much tired2. Of the tw tys, the child chse _______. A. the mre expensive neB. ne mst expensive C. a least expensiveD. the mst expensive ne3. This apple is_______ greener than that ne. A. littleB. a little C. mre D. many
4. —What’s the weather like tmrrw? —The radi says it is ging t be even ________. A. badB. wrstC. badly D. wrse5. He never des his wrk _______ Mary. A. as careful asB. s careful as C. as carefully asD. carefully as
Use the wrds in brackets t write questins and answers.
1. Q: Is Julie slimmer than yu?(Julie/slim/yu) A: N, she isn’t. She is as slim as me. 2. Q: ____________________________________? (yu/serius/cusin) A: N, I’m nt. I am ________________than he is.
Are yu mre serius than yur cusin
less serius
3. 1. Q: _______________________? (Tm/smart/Sam) A: N, I dn’t think s. I think Sam is as ______ as Tm.4. 1. Q: _____________________________? (Jack/swim/fast/Sally) A: N, he desn’t. He swims as ______ as Sally.
Is Tm smarter than Sam
Des Jack swim faster than Sally
我认为不是这样。表示否定对方的意见或观点，其肯定形式为“I think s.”。
What cities can yu see frm the pictures?
What infrmatin can yu read frm the chart?
in fact事实上；实际上
Lk at the chart. Then cmplete the sentences t cmpare Guangzhu and Vancuver. Use the wrds in the bx and than.
1. The ppulatin f Vancuver was ___________that f Guangzhu in 2024.2. In area, Guangzhu is _______________Vancuver.
smaller than
larger than
指代“the ppulatin”
3. It rains ______ in Guangzhu ______ in Vancuver.4. Guangzhu has a pleasant temperature in January. It is ______________ Vancuver in January.5. Vancuver is _____________ Guangzhu in July.
warmer than
单独作主语时，谓语动词用第三人称单数形式。
The ppulatin f the ancient twn is ver 20 thusand. 这个古镇的人口超过两万。
(1)ppulatin /ˌpɒpjuˈleɪʃn/ n. 人口
表示人口“多”或“少”时，常用 large，big 或 small。 China has a large ppulatin. 中国人口众多。
②询问某地的人口数量时，用“What’s the ppulatin ” What’s the ppulatin f the UK? 英国的人口是多少？
=The ppulatin f this cmmunity is abut five thusand.
③表示“某地有多少人口”时，用“... have/has a ppulatin f+数字.”或“The ppulatin f ... is+数字.” 。 This cmmunity has a ppulatin f abut five thusand. 这个社区有大约五千人口。
①adj.平均的；平常的
average age 平均年龄
(2) average /ˈævərɪdʒ/
What is the average rainfall fr August in yur cuntry?你们国家八月份的平均降雨量是多少？
②n.平均数；平均水准
n average 平均而言；通常地
On average, she spends tw hurs per day ding husewrk.平均而言，她每天花两小时做家务。
①宜人的；舒适的 近义词：cmfrtable
(3) pleasant /ˈpleznt/ adj.
The weather is pleasant tday. 今天天气宜人。
②友好的 同义词：friendly
The girl is pleasant and she always has a smile n her face. 这个女孩很友好，她总是面带微笑。
We spent a pleasant evening by the lake. 我们在湖边度过了一个愉快的夜晚。
拓展：pleasant的相关词：
please v.使满意；使愉快
pleasure n.乐事；愉快；荣幸
pleased adj.满意的；高兴的
pleasant adj.宜人的；友好的；令人愉快的
常描述或说明事物的特征
I’m ________ that I had a ________ jurney. It brught much __________ t me. I bught sme gifts fr my parents t _______ them. 我很高兴有一次令人愉快的旅行。它给我带来了很多快乐。我给我父母买了一些礼物来让他们高兴。
请用pleased, pleasant, pleasure和please 填空。
辨析：that，it与ne
特指上文提到过的那类事物，常用在有比较级含义的句子中，其复数形式为thse
The ppulatin f Vancuver was smaller than that f Guangzhu in 2024.
指代前面提到的同一事物，即同类同物
泛指前面提到的同类人或物中的一个，即同类不同物
◇ The weather in Beijing is clder than that in Shanghai. 北京的天气比上海的天气冷。◇The silk scarf is nice. I like it. 这条丝巾好看。我喜欢它。◇ I dn’t have a pen. Can yu lend me ne? 我没有钢笔。你能借我一支吗？
Individual wrk
Yu are required t make a chart abut tw cities in China. Search infrmatin n the Internet, and then make cmparisns.
The ppulatin f … is larger/bigger/smaller than that f …In area, … is larger/smaller than rains mre/less in … than in …… has a … temperature in January. It is … than … in January.… is … than … in July.