初中英语Section A课文配套课件ppt

这是一份初中英语Section A课文配套课件ppt，文件包含Unit7SectionAgrammarfocus-4cpptx、360视频mp4等2份课件配套教学资源，其中PPT共18页， 欢迎下载使用。
一、教学目标 1.1. T learn t use big numbers t describe facts 2. T learn t use cmparatives and superlatives with adjectives and adverbs二、教学重点及难点 1.1. T learn t use big numbers t describe facts 2. T learn t use cmparatives and superlatives with adjectives and adverbs
Enjy the fllwing sng,discuss what the name f sng is.
最高级：strngest
形容词、副词的原级、比较级和最高级
一、没有比较，用原级比较级主要用于两者之间作比较。 最高级主要用于三者或三者以上进行比较。
二、形容词、副词原级句式：
1.肯定形式: A和B一样... A+be 动词+as+形容词原级+as+B A+实意动词+as+副词原级+as+B
2.否定形式: 表示:A不如B A+be 动词+nt as+形容词原级+as+B A+be 动词+nt s+形容词原级+as+B A+dn't/desn't/didn't+实意动词+as+副词原级+as+B A+dn't/desn't/didn't+实意动词+s+副词原级+as+B
三、形容词、副词的比较级句式
1.肯定结构：表示“前者比后者...更”
A+be动词+形容词比较级＋ than +BA+实意动词+副词比较级＋ than +B
2.表示俩者之中较... 用the+比较级+f the tw
3.表示“越来越...” 用 比较级+and +比较级； mre and mre+原级
4.表示“越...就越...” the+比较级，the+比较级
5.程度副词much, a lt,a little,less,far,even+比较级。 口诀：两多两少一远一甚至+比较级
6.比较级+than any ther+单数名词,比其他的任何…都,表示最高级
=形容词或副词的最高级
四、形容词、副词的最高级句式
1.the + 形容词/副词最高级+in/ f/ amng...在...中最 +序数词+ 形容词最高级+名词，表示 第几 f the+ 形容词最高级+名词复数，表示 最...之一注意：最高级前有物主代词、名词所有格等修饰时，其前不加the。
五、形容词、副词比较级和最高级变化规则
①直接加 -er 或 -est
tall—_____—______ lng—______—______
②以不发音的字母e结尾的单词直接加 -r 或 -st
③以“辅音字母+y” 结尾,把y变为i,再加 -er 或- est
nice—______—______
heavy—________—________
④辅元辅，且重读双写辅音字母再加 -er或 -est
⑤部分双音节词和多音节词 比较级：mre+多音节形容词副词原级 最高级：mst+多音节形容词副词原级
big—_______—_______
slwly—___________—___________beautiful—______________—______________
mre beautiful
mst beautiful
巧记：大big红red胖fat瘦thin湿wet热ht悲sad
不规则变化：两多两好两坏病一少一老一远
翻译：Grammar Fcus
世界上最高的山是什么？
里海是世界上最深的盐湖。
你知道中国是世界上最古老的国家之一吗？
1. The Amazn River is ne f the _________ rivers in the wrld. It’s a little ________ than the Yangtze River.2. Qmlangma is 8,844.43 meters _______. It’s ne f the mst __________ places fr serius muntain climbers.3. N cean in the wrld is as ________ as the Pacific Ocean.4. Althugh Japan is _______ than Canada, it is ________ smaller.
Fill in the blanks with the crrect frms f the wrds in the bx in 4a.
bigmuchppularlngldhigh
as+形容词/副词原级+as 表示双方在程度、性质、特征等方面一样。
Write tw cmparisns abut tw tpics. Write true facts.
Tw rivers: _______________ and _____ ____________1. ______________________________________________________________________________2. ___________________________________________________________________________Tw cities: __________ and ___________1. __________________________________2. __________________________________Tw animals: __________ and ___________1. __________________________________2. __________________________________
the Yangtze River the
Fr example:
Amazn River
The Yangtze River is almst as lng as the Amazn River.
The Amazn is lnger than the Yangtze, but the Yangtze is the lngest river in China.
策略：可以比较城市的面积、人口、历史等
策略：可以比较动物的身高(身长)、体重、奔跑速度、外貌特征以及寿命等
Exercise2:砸金蛋游戏:
1.The girl becmes ＿＿_____________________. (越来越漂亮）2. The weather is getting _____________________. (越来越槽糕）3.______________yu are, __________mistakes yu will make. (你越仔细，做错的题目就越少） 4. ________________ yu eat, _____________yu’ll be. (你吃得越多,就越胖)5. Alice writes well. Mary writes _________________ than she. (甚至更好）6.李雷比班里任何一个学生跑得都快。（比较级+ than any ther） _____________________________________.
mre and mre beautiful
wrse and wrse
The mre careful
even / still better
Li Lei runs faster than any ther student.
1. China has a ______ ppulatin than America.A. mre B. much mreC. much largeD. much larger2. Xi’an is ne f _____ in China.A. mre famus city B. mst famus cities C. the mst famus cities D. much mre famus city3. China is the third _____ cuntry in the wrld.large B. largest C. larger D. as large as4.Staying with families and friends in ur free time is ne f _____things.A. the happiest B. happier C. the happy D. happiest
5. Qmlangma is higher than _____ in the wrld.A. the ther muntain B. anther muntain C. any ther muntain D. any muntains6. —I dn’t think histry is mre useful than physics.—I disagree. In my pinin, histry is______physics. A. as useful as B. nt s useful asC. less useful than D. the mst useful f7. （武威中考）The number “23,456”can be read as “ ”. A. twenty-three thusand, fur hundred and fifty-six B. twenty-three thusand and fur hundred fifty-six C. twenty-three thusand and fur five six D. twenty-three thusand, fur five six
用括号中所给单词的适当形式填空
1. This questin is quite __________. That ne is __________________ than this ne. (difficult)2. I think table tennis is as _________ as sccer. (excite)3. Which f these bks wuld yu like ________? (much)4. Take exercise ne hur a day, and yu will becme ________than befre. (strng)5. Uncle Wang desn’t drive as__________ as Uncle Liu. I think Uncle Liu drives_____________ . (carefully)
mre difficult
mre carefully