Unit3.SectionA 3a-3d 课件-人教版初中英语八年级上册

这是一份初中英语人教版（2024）八年级上册（2024）Unit 3 Same or Different? Section A Grammar Focus优秀课件ppt，文件包含Unit3SectionA3a-3dpptx、比较级英文歌曲mp4等2份课件配套教学资源，其中PPT共45页， 欢迎下载使用。
1.能准确说出形容词和副词比较级的构成规则，包括一般变化和特殊变化;能熟练运用“主语 + be + 比较级 + than + 比较对象”“主语 + 实义动词 + 比较级 + than + 比较对象” 句型描述差异;理解并使用 “as + 原级 + as” 结构表示 “与…… 一样”;能正确使用 a little, much 等词修饰比较级，理解并运用 mre, better, less 等特殊比较级词汇。2.能完成比较级的相关练习（如填空、问答、句子改写），并能运用比较级描述具体事物（如城市、人物）的差异。能在故事情境中主动发现并探究比较级的规则，培养自主学习语法的能力。通过小组合作完成任务，提升合作学习和交流表达的能力。能运用所学比较级知识解决实际问题，培养知识迁移能力。3.通过观察、分析例句，归纳比较级的构成规则，培养逻辑归纳能力。在解决 “侦探任务” 的过程中，运用比较级知识分析线索，培养逻辑推理和问题解决能力。在比较不同事物时，学会从多个维度（如人口、面积、气候）进行分析，培养多角度思维能力。
This is a special dll. Its name is Labubu. Amanda likes it mre than ther dlls.
We find a dll n the sfa. Is this her dll?
We find a dll n the sfa. Is this yur dll?
♥ Observe the tw dlls ♥ Try t use as many cmparatives as pssible t describe their differences.
① Her dll is ______(tall) than this ne.
RULE 01 - 一般情况‌，词尾加-er(单音节词和部分双音节词).
② I think her dll is ______(nice) than this ne.
RULE 02 - 以 e 结尾‌：直接加 -r
the little girl’s memry
One fine mrning, my sister and I went ty - shpping. The stre was 1. ______ (large) than a basketball curt. We saw many tys, but Labubu std ut. Its bdy was 2. ______ (lng) in a lvely way. It was 3. ______ (cute) than the teddy bears there.The bx it was in was 4. ______ (wide) than my pencil - bx. I was a bit scared t ask the shpkeeper, but my sister was 5. ______ (brave) and helped me. When we went hme, the ride was 6. ______ (slw) than usual, but I just watched Labubu. Its fur is 7. ______ (sft) than cttn. And its little shes are 8. ______ (white) than snw. I’ll never frget this day!It is my favrite ty and best friend, please find her!
③ Ftprint B is______(big) than A.
RULE 03 - 重读闭音节结尾（辅元辅结构），双写末尾辅音字母再加 -er。
④ The unknwn animal is_________(heavy) than my cat.
RULE 04 – 辅音字母加-y结尾变 y 为 i 再加 -er。
Labubu runs arund the city streets and sees many cl things. The streets are 1. ______ (busy) than usual, even if the sun is 2. ______ (ht) than yesterday.Labubu passes a dirty street. The walls there lk 3. ______ (dirty) with ld paint and marks. But then it finds a beautiful flwer. It was 4. ______ (red) than any ther flwers! Next, it ges t the park. The grund is much5. ______ (dry) because f the ht sun. A much 6. ______ (fat) squirrel(松鼠) sits n a bench, eating a nut.When it gets dark, street lights turn n. They make 7. ______ (lng), 8. ______ (thin) shadws than in the daytime. The mn shines 9. ______ (bright) than the lights. Labubu feels 10. ______ (happy) and 11. ______ (lucky) than ever.
Labubu's City Adventure
Can yu tell them what t d? Give yur reasns.
A. G t the street t ask peple sme infrmatin.B. Draw a pht abut the unknwn animal.
Please lk at “mre” and “better”, try t explain their usage.
Special Wrds – better & mre
Special Wrds
farther/further
I am n Happiness Rad. The huse is ________(big) than the ther ne. There are ________________（clurful）flwers in the garden and ___________(many) windws. Its garden is als ________(large) and decrated（装饰) __________(gd).
mre clurful
RULE 05 –其他双音节词及多音节词，前加 mre。
Tday, we helped little girl Mary find her dll, Labubu. At first, we fund a purple Labubu n the sfa, but it wasn’t hers, because her dll was _________ (tall) and _________ (nice) . Then, we fund sme ftprints n the flr. One f the ftprints was _________(big) and _________(deep) than her cat’s. Then, we asked _________ (many) peple and gt _________ (much) infrmatin. At last, we fund her Labubu in a ______________ (beautiful) huse.
mre beautiful
两者进行比较,表示“一方比另一方更……”常用句型：1. A + be + 形容词比较级 + than + BA mdern train is faster than a car. 2. A+实义动词+副词比较级+than + BTm jumps higher than Jack.
A mdern train is faster than a car. Tm jumps higher than Jack.
把下列句子改成疑问句,并做肯定和否定回答。
Is a mdern train faster than a car?
N,it isn’t.
Des Tm jump higher than Jack?
Yes,he des.
N,he desn’t.
当表示一方超过另一方的“程度”时，可以用much, a lt, a little, a bit, even, far等来修饰形容词比较级。注意：比较级不能用very, s, t等修饰。
He is much mre serius than his brther.This bk is even mre useful than that ne.Can yu cme t schl a little earlier tmrrw mrning?
巧学妙记：两多(much, a lt)两少(a little, a bit)一甚至(even)，还有一个远（far)去了。
English is becming mre and mre imprtant.
“比较级 + and + 比较级” 或 “mre and mre+ 形容词/副词 原级”，表示 “越来越……”，其后均不可接than。
After the new year, the day is becming warmer and warmer.
Exercises: 越来越高________________________ 越来越强壮______________________ 越来越漂亮________________________ 越来越有趣________________________
taller and taller
strnger and strnger
mre and mre beautiful
mre and mre interesting
“The + 比较级, the + 比较级” 意为 “越……，越……”。
试译：你越努力，你就越幸运。
The harder yu wrk,the luckier yu will be.
The mre she eats, the fatter she will be.
她吃的越多，她就越胖。
The mre hard-wrking yu are,the luckier yu will be.
此结构可以表示前者是后者的条件，可以在写作里尝试使用。
比较级的比较对象必须保持一致。
My hair is lnger than yurs.
有时为了避免重复，可用that或thse代替前面提到的词，而且that或thse不能省略。The weather in Hainan is warmer than that in Beijing.His stries are mre interesting than thse I tld.
yurs相当于yur hair
部分双音节词和多音节词构成比较级时，需要借助比较级标记词：mre，其实还有一个和mre是反义词的比较级标记词。看下面的例子：
Luna's dll is mre clurful than her brther's ty.
= Her brther's ty is ________ clurful than Luna's dll .
as 同级比较
两者进行比较,表示“一方与另一方一样…”常用句型：1. A + be + as 形容词原形 + as + Be.g. Jack is as funny as Mike. 杰克与迈克一样滑稽。2. A + 实义动词 + as 副词原形 + as + Be.g. Tm gets up as early as Mike. 汤姆与麦克得一样早。
否定形式：nt s/as + adj.\adv.(原形) + as…;意思是：…不如…
Jack isn’t as/s funny as Mike.
Jack desn’t get up as/s early as Mike.
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. 3. Q: ___________________________? (Tm / smart / Sam) A: N, I dn’t think s. I think Sam is as _________ as Tm. 4. Q: ___________________________? ( Jack / swim / fast / Sally) A: N, he desn’t. He swims as _________ as Sally.
Use the wrds in brackets t write questins and answers.
Are yu mre serius than yur cusin
Is Tm smarter than Sam
Des Jack swim faster than Sally
less serius
factppulatinkm = kilmeteraveragerainfallpermm = millimeterpleasant
/fækt// ˌpɒpjʊ 'leɪʃn/ / kɪˈlɒmɪtə(r) // 'ævərɪdʒ// 'reɪnfɔ:l//pə(r)/ /ˈmɪlimiːtə(r)/ / 'pleznt/
adj.平均的；平常的
adj.宜人的；友好的
in face 事实上
Lk at the chart. Then cmplete the sentences t cmpare Guangzhu and Vancuver. Use the wrds in the bx and than.
Vancuver温哥华
1. The ppulatin f Vancuver was ____________ that f Guangzhu in 2024. 2. In area, Guangzhu is ______________ Vancuver. 3. It rains_________in Guangzhu________in Vancuver. 4. Guangzhu has a pleasant temperature in January. It is much _____________ Vancuver in January. 5. Vancuver is _____________ Guangzhu in July.
large small much warm cl
smaller than
 larger than
mre than
warmer than
1. ppulatin (2024).
① ppulatin 是集体名词，在句中作主语时，谓语动词用单数形式。The ppulatin f the wrld cntinues t increase(增长), but in sme areas the ppulatin is falling.
Language pints
② 表示有多少人口时，用“have/has a ppulatin f + 数词”，或“the ppulatin f … is + 数词”。China has a ppulatin f abut 1.4 billin. = The ppulatin f China is abut 1.4 billin.
③ 询问人口多少时，用“What is the ppulatin f …?”或“Hw large is the ppulatin f …?”。What/Hw large is the ppulatin f Henan Prvince?