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初中英语人教新目标 (Go for it) 版八年级下册Section A说课ppt课件
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这是一份初中英语人教新目标 (Go for it) 版八年级下册Section A说课ppt课件，文件包含Unit7Period3课件pptx、Unit7Period3教案doc、Unit7Period3学案doc、Unit7Period3练习docx等4份课件配套教学资源，其中PPT共48页， 欢迎下载使用。
T learn t use cmparatives and superlatives with adjectives and adverbsT learn new wrds: the Pacific Ocean…
ceanthe Pacific Ocean
n. 大海；海洋n. 太平洋
Wrds review
Can yu translate the fllwing sentences?
长江大约长6,300千米。
The Yangtze River is abut 6,300 kilmeters lng.
黄河长5,464千米。
The Yellw River is 5,464 kilmeters lng.
明朝的长城大约有8,850千米长。
The Great Wall in Ming dynasty is abut 8,850 kilmeters lng.
珠穆朗玛峰高8,844.43米，所以攀登起来很危险。
Qmlangma is 8,844.43 meters high and s is very dangerus t climb.
The Yangtze River is abut 6300 kilmeters lng.
The Yellw River is 5464 kilmeters lng.
What can yu get frm the abve fur sentences?
Nw let’s try t translate the sentences:
那个篮球运动员有两米高。那条河只有两米深/宽。这棵树有两米高。那条河长两千米。
The basketball player is tw meters tall.
The river is nly tw meters deep/wide.
The tree is tw meters tall.
The river is abut tw kilmeters lng.
5. 这座山大约有两千米高。6. 这个箱子大约有两米高/宽/长。
The muntain is abut tw thusand meters high.
The bx is abut tw meters high / wide /lng.
Grammar Fcus
Grammar fcus
— What’s the highest muntain in the wrld?— Qmlangma.— Hw high is Qmlangma?— It’s 8,844.43 meters high. It’s higher than any ther muntain.
— Which is the deepest salt lake in the wrld?— The Caspian Sea is the deepest f all the salt lakes.— Did yu knw that China is ne f the ldest cuntries in the wrld?— Yes, I did. It’s much lder than the US.
大多数形容词有三个级。 1. 原级: Structure : as ... as... 像..….一样 e.g. Tim is as tall as Tm. 2. 比较级 (用于两者之间的比较): Structure：形容词比较级＋ than ... e.g. This bx is bigger than that ne.
形容词和副词的比较级和最高级
3. 最高级(用于三者或三者以上的比较): Structure: the + 形容词的最高级＋f / in ... e.g. Tm is the heaviest in ur class. He is the mst ppular in ur schl.
规则变化 1) 一般情况下，单音节或双音节的形容词/副词比较级＋er， 最高级＋est。如: clever — cleverer — cleverest few — fewer — fewest small — smaller — smallest 等。
形容词、副词的比较级和最高级规则变化和不规则变化
2) 以e结尾的词，比较级＋r，最高级＋st 即可。 nice — nicer — nicest cute — cuter — cutest large — larger — largest 3) 以辅音字母＋y结尾的变y为i＋er或est easy — easier — easiest happy — happier — happiest 再如： early, busy, heavy, dirty, lazy 也如此。
4) 重读闭音节，单辅音结尾的，双写这个辅音字母＋er 或 est的词：① fat — fatter — fattest ② thin — thinner — thinnest ③ ht — htter — httest ④ red — redder — reddest ⑤ wet — wetter — wettest ⑥ big — bigger — biggest
5) 多音节和部分双音节的词需要在形容词原级前＋mre 构成比较级，＋the mst 构成最高级。如： beautiful － mre beautiful － the mst beautiful 又如: delicius, ppular, imprtant, interesting, expensive, creative双音节的词如: careful － mre careful － the mst careful useful － mre useful － the mst useful
少数单音节词也是这样，如： pleased — mre pleased — the mst pleased tired — mre tired — the mst tired b) 不规则变化： gd — better — best well — better — best bad — wrse — wrst many/much — mre — mst
far — farther —farthest (距离远) far — further — furthest (程度深) ld — elder — eldest (长幼) ld — lder — ldest (年龄)
三者或三者以上相比，表示最高程度时，用“the + 最高级”的结构表示。这种句式一般常有表示比较范围的介词短语。例如： Zhang Hua is the tallest f the three. He wrks (the) hardest in his class.
2. 最高级可被序数词以及 much，by far，nearly，almst，by n means，nt quite，nt really，nthing like 等词语所修饰。例如：This hat is by far／much／nearly／almst／nt nearly／by n means／nt quite／nthing like the biggest. Hw much did the secnd mst expensive hat cat?
3. 表示“最高程度”的形容词，如 excellent，extreme，perfect等，没有最高级，也不能用比较级。4. 形容词最高级修饰作表语或介词宾语的名词、代词时，被修饰的词往往省略。e.g. He is the tallest (by) in his class.5. 作状语的副词最高级前可以不加定冠词。e.g. Of all the bys he came (the) earliest.
比较级考点① 比较级修饰问题 a little, a bit, even, still, much, a lt, far 等可修饰比较级。e.g. Tm is a little taller than Jim. This bk is much mre interesting than that ne.
② 同级比较 The weather in Beijing is clder than that in Xi’an. Our schl is bigger than yurs.③ the + 比较级 Lucy is the fatter f the tw girls.
④ “a/an + 比较级” 表示“又一，再一” Lily has a dll, but she wants a bigger ne.⑤ 隐性比较（没有than的情况） Wh runs faster, Lucy r Lily? Yu’d better cme earlier next time. He wrked hard last term, but he wrks even harder this term.
⑥ 越来越 比较级 + and + 比较级b. the + 比较级 + 句子，the + 比较级 + 句子 It’s getting clder and clder. The mre yu exercise, the better yu are.
2. 最高级考点说明：形容词的最高级前必须加the；副词的最高级前省略the。① 范围问题e.g. Tm is the tallest student in the class. Spring is the best seasn f the year.
② “之一”问题e.g. Beijing is ne f the biggest cities in the wrld.③ “the + 序数词 + 最高级”e.g. I think he is the secnd tallest by in his class.
3. 比较级和最高级的转换e.g. Tm is the tallest student in the class.= Tm is taller than any ther student in the class.= Tm is taller than all the ther students in the class.= N ther students are taller than Tm.
总结：① any ther + 名词单数 the ther + 名词复数 ② 否定 + 比较级 = 最高级 比较级 + 极限 = 最高级
同级比较① as + adj./adv. + as e.g. She is as thin as Lily. He writes as carefully as Linda.② nt + as/s + adj./adv. + as e.g. Tny didn’t run s fast as Carter.
1. Our family has bught a car s we can travel _____ than befre. mst easily B. less easily C. easily D. mre easily 2. My father tld me a stry last night. It is ____ ne I’ve ever heard. the funniest B. funniest C. funnier D. the funnier
3. The _____ friends yu have, the ____ yu will be. A. mre, happy B. many, happy C. mre, happier D. many, happier 4. When he heard a cry fr help, he ran ut as _______ as he culd. hardly B. quickly C. finally D. slwly
5. This place is nt big enugh fr Lucy’s birthday party. We shuld find a _____ ne. big B. small C. bigger D. smaller
Fill in the blanks with the crrect frms f the wrds in the bx.
big much ppular lng ld high
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.
Write tw cmparisns abut tw tpics. Write true facts.
Tw rivers: _________________ and ___________________________________________________________________________________________________________________________________________________________________________________________
The Yangtze River is almst as lng as the Amazn River.The Amazn is lnger than the Yangtze, but the Yangtze River is the lngest river in China.
the Yangtze River
the Amazn River
Tw cities: ___________ and ___________1. _______________________________. 2. _______________________________ .
Tw animals: ___________ and ___________1. _______________________________. 2. _______________________________ .
Write five questins using cmparisns. Then ask yur partner yur questins.
1. _________________________________2. _________________________________3. _________________________________4. _________________________________5. _________________________________
What is the highest building in ur city?
1. She is ________ than ________. A. busier / us B. busier / we C. mre busy / us D. mre busy / we 2. Jane is ________ than Betty. A. less taller B. less tallest C. less tall D. nt as tall 3. China is ________ cuntry in the wrld. A. the third largest B. the largest third C. the third large D. a third largest
4. — Which is ____ seasn in Beijing? — I think it’s autumn. A. gd B. better C. best D. the best 5. — Which is ____, the sun, the mn r the earth? — The mn is. small B. smaller C. smallest D. the smallest
6. I study English as ____ as my brther. A. hard B. harder C. hardest 7. Which is ____, a bicycle r a cmputer? A. expensive B. mre expensive C. the mst expensive 8. The Yellw River is ne f ______ rivers in China. A. lng B. lnger C. the lngest
3. Lin Ta is __________________________ in the class because he never gets t schl n time. （最懒的学生之一）4. Edisn was_________________________ in the wrld. (最伟大的发明家之一）
ne f the laziest students
ne f the greatest inventrs
The Yangtze River is__________________ river in the wrld. (第三长河）
the third lngest
2. The Atlantic is _________________cean in the wrld. ( 第二大洋）
the secnd biggest
1. Flat A is mre expensive than Flat B Flat B is _____ __________ than Flat A. Flat B is ________ _______ Flat A. Flat B is nt ____ __________ ___ Flat A.
2. I prefer maths t English. I like maths __________________ English.
better than
3.He is the tallest student in the class. He is ______________________________ in the class.
taller than any ther student
any ther + 名词单数
1.Hainan is a very large Island .It is the secnd ________ island in china. (large)2.Our teacher is as ______ as befre. (busy) is ______________ amng us. (careful)4.Li Lei jumped far ______ than Jim. (far)5.The busier he is, the ________ he feels. (happy)6.I think Ya Ming is ne f ____________ basketball players in NBA. (ht)
the mst careful
T learn t use cmparatives and superlatives with adjectives and adverbsT learn new wrds: the Pacific Ocean…
ceanthe Pacific Ocean
n. 大海；海洋n. 太平洋
Wrds review
Can yu translate the fllwing sentences?
长江大约长6,300千米。
The Yangtze River is abut 6,300 kilmeters lng.
黄河长5,464千米。
The Yellw River is 5,464 kilmeters lng.
明朝的长城大约有8,850千米长。
The Great Wall in Ming dynasty is abut 8,850 kilmeters lng.
珠穆朗玛峰高8,844.43米，所以攀登起来很危险。
Qmlangma is 8,844.43 meters high and s is very dangerus t climb.
The Yangtze River is abut 6300 kilmeters lng.
The Yellw River is 5464 kilmeters lng.
What can yu get frm the abve fur sentences?
Nw let’s try t translate the sentences:
那个篮球运动员有两米高。那条河只有两米深/宽。这棵树有两米高。那条河长两千米。
The basketball player is tw meters tall.
The river is nly tw meters deep/wide.
The tree is tw meters tall.
The river is abut tw kilmeters lng.
5. 这座山大约有两千米高。6. 这个箱子大约有两米高/宽/长。
The muntain is abut tw thusand meters high.
The bx is abut tw meters high / wide /lng.
Grammar Fcus
Grammar fcus
— What’s the highest muntain in the wrld?— Qmlangma.— Hw high is Qmlangma?— It’s 8,844.43 meters high. It’s higher than any ther muntain.
— Which is the deepest salt lake in the wrld?— The Caspian Sea is the deepest f all the salt lakes.— Did yu knw that China is ne f the ldest cuntries in the wrld?— Yes, I did. It’s much lder than the US.
大多数形容词有三个级。 1. 原级: Structure : as ... as... 像..….一样 e.g. Tim is as tall as Tm. 2. 比较级 (用于两者之间的比较): Structure：形容词比较级＋ than ... e.g. This bx is bigger than that ne.
形容词和副词的比较级和最高级
3. 最高级(用于三者或三者以上的比较): Structure: the + 形容词的最高级＋f / in ... e.g. Tm is the heaviest in ur class. He is the mst ppular in ur schl.
规则变化 1) 一般情况下，单音节或双音节的形容词/副词比较级＋er， 最高级＋est。如: clever — cleverer — cleverest few — fewer — fewest small — smaller — smallest 等。
形容词、副词的比较级和最高级规则变化和不规则变化
2) 以e结尾的词，比较级＋r，最高级＋st 即可。 nice — nicer — nicest cute — cuter — cutest large — larger — largest 3) 以辅音字母＋y结尾的变y为i＋er或est easy — easier — easiest happy — happier — happiest 再如： early, busy, heavy, dirty, lazy 也如此。
4) 重读闭音节，单辅音结尾的，双写这个辅音字母＋er 或 est的词：① fat — fatter — fattest ② thin — thinner — thinnest ③ ht — htter — httest ④ red — redder — reddest ⑤ wet — wetter — wettest ⑥ big — bigger — biggest
5) 多音节和部分双音节的词需要在形容词原级前＋mre 构成比较级，＋the mst 构成最高级。如： beautiful － mre beautiful － the mst beautiful 又如: delicius, ppular, imprtant, interesting, expensive, creative双音节的词如: careful － mre careful － the mst careful useful － mre useful － the mst useful
少数单音节词也是这样，如： pleased — mre pleased — the mst pleased tired — mre tired — the mst tired b) 不规则变化： gd — better — best well — better — best bad — wrse — wrst many/much — mre — mst
far — farther —farthest (距离远) far — further — furthest (程度深) ld — elder — eldest (长幼) ld — lder — ldest (年龄)
三者或三者以上相比，表示最高程度时，用“the + 最高级”的结构表示。这种句式一般常有表示比较范围的介词短语。例如： Zhang Hua is the tallest f the three. He wrks (the) hardest in his class.
2. 最高级可被序数词以及 much，by far，nearly，almst，by n means，nt quite，nt really，nthing like 等词语所修饰。例如：This hat is by far／much／nearly／almst／nt nearly／by n means／nt quite／nthing like the biggest. Hw much did the secnd mst expensive hat cat?
3. 表示“最高程度”的形容词，如 excellent，extreme，perfect等，没有最高级，也不能用比较级。4. 形容词最高级修饰作表语或介词宾语的名词、代词时，被修饰的词往往省略。e.g. He is the tallest (by) in his class.5. 作状语的副词最高级前可以不加定冠词。e.g. Of all the bys he came (the) earliest.
比较级考点① 比较级修饰问题 a little, a bit, even, still, much, a lt, far 等可修饰比较级。e.g. Tm is a little taller than Jim. This bk is much mre interesting than that ne.
② 同级比较 The weather in Beijing is clder than that in Xi’an. Our schl is bigger than yurs.③ the + 比较级 Lucy is the fatter f the tw girls.
④ “a/an + 比较级” 表示“又一，再一” Lily has a dll, but she wants a bigger ne.⑤ 隐性比较（没有than的情况） Wh runs faster, Lucy r Lily? Yu’d better cme earlier next time. He wrked hard last term, but he wrks even harder this term.
⑥ 越来越 比较级 + and + 比较级b. the + 比较级 + 句子，the + 比较级 + 句子 It’s getting clder and clder. The mre yu exercise, the better yu are.
2. 最高级考点说明：形容词的最高级前必须加the；副词的最高级前省略the。① 范围问题e.g. Tm is the tallest student in the class. Spring is the best seasn f the year.
② “之一”问题e.g. Beijing is ne f the biggest cities in the wrld.③ “the + 序数词 + 最高级”e.g. I think he is the secnd tallest by in his class.
3. 比较级和最高级的转换e.g. Tm is the tallest student in the class.= Tm is taller than any ther student in the class.= Tm is taller than all the ther students in the class.= N ther students are taller than Tm.
总结：① any ther + 名词单数 the ther + 名词复数 ② 否定 + 比较级 = 最高级 比较级 + 极限 = 最高级
同级比较① as + adj./adv. + as e.g. She is as thin as Lily. He writes as carefully as Linda.② nt + as/s + adj./adv. + as e.g. Tny didn’t run s fast as Carter.
1. Our family has bught a car s we can travel _____ than befre. mst easily B. less easily C. easily D. mre easily 2. My father tld me a stry last night. It is ____ ne I’ve ever heard. the funniest B. funniest C. funnier D. the funnier
3. The _____ friends yu have, the ____ yu will be. A. mre, happy B. many, happy C. mre, happier D. many, happier 4. When he heard a cry fr help, he ran ut as _______ as he culd. hardly B. quickly C. finally D. slwly
5. This place is nt big enugh fr Lucy’s birthday party. We shuld find a _____ ne. big B. small C. bigger D. smaller
Fill in the blanks with the crrect frms f the wrds in the bx.
big much ppular lng ld high
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.
Write tw cmparisns abut tw tpics. Write true facts.
Tw rivers: _________________ and ___________________________________________________________________________________________________________________________________________________________________________________________
The Yangtze River is almst as lng as the Amazn River.The Amazn is lnger than the Yangtze, but the Yangtze River is the lngest river in China.
the Yangtze River
the Amazn River
Tw cities: ___________ and ___________1. _______________________________. 2. _______________________________ .
Tw animals: ___________ and ___________1. _______________________________. 2. _______________________________ .
Write five questins using cmparisns. Then ask yur partner yur questins.
1. _________________________________2. _________________________________3. _________________________________4. _________________________________5. _________________________________
What is the highest building in ur city?
1. She is ________ than ________. A. busier / us B. busier / we C. mre busy / us D. mre busy / we 2. Jane is ________ than Betty. A. less taller B. less tallest C. less tall D. nt as tall 3. China is ________ cuntry in the wrld. A. the third largest B. the largest third C. the third large D. a third largest
4. — Which is ____ seasn in Beijing? — I think it’s autumn. A. gd B. better C. best D. the best 5. — Which is ____, the sun, the mn r the earth? — The mn is. small B. smaller C. smallest D. the smallest
6. I study English as ____ as my brther. A. hard B. harder C. hardest 7. Which is ____, a bicycle r a cmputer? A. expensive B. mre expensive C. the mst expensive 8. The Yellw River is ne f ______ rivers in China. A. lng B. lnger C. the lngest
3. Lin Ta is __________________________ in the class because he never gets t schl n time. （最懒的学生之一）4. Edisn was_________________________ in the wrld. (最伟大的发明家之一）
ne f the laziest students
ne f the greatest inventrs
The Yangtze River is__________________ river in the wrld. (第三长河）
the third lngest
2. The Atlantic is _________________cean in the wrld. ( 第二大洋）
the secnd biggest
1. Flat A is mre expensive than Flat B Flat B is _____ __________ than Flat A. Flat B is ________ _______ Flat A. Flat B is nt ____ __________ ___ Flat A.
2. I prefer maths t English. I like maths __________________ English.
better than
3.He is the tallest student in the class. He is ______________________________ in the class.
taller than any ther student
any ther + 名词单数
1.Hainan is a very large Island .It is the secnd ________ island in china. (large)2.Our teacher is as ______ as befre. (busy) is ______________ amng us. (careful)4.Li Lei jumped far ______ than Jim. (far)5.The busier he is, the ________ he feels. (happy)6.I think Ya Ming is ne f ____________ basketball players in NBA. (ht)
the mst careful
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