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八年级下册Section A评课ppt课件
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这是一份八年级下册Section A评课ppt课件，文件包含人教英语八下Unit7第1课时SectionA1a-2dpptx、Qomolangmamp3、U7A1bmp3、U7A2amp3、U7A2dmp3、theCaspianSeamp3、theNilemp3、theSaharamp3、U7Aswf、u7A_2dswf等10份课件配套教学资源，其中PPT共51页， 欢迎下载使用。
1.New wrds: square, meter, deep, desert, ppulatin, Asia, tur, turist, wall, amazing, ancient, prtect, wide, man-made2.Expressins: feel free, as far as I knw
Learning gals
3. Sentences: ①The Yangtze River is abut 6,300 kilmeters lng. ②Qmlangma is higher than any ther muntain in the wrld. ③ And China has the biggest ppulatin,t.
What are these descriptins?
square kilmeters in size
meters deep
kilmeters lng
meters high
adj. 深的；纵深的
D yu knw these places?
the Caspian Sea
珠穆朗玛峰是世界海拔最高的山峰，高度为8848.86米。
尼罗河长6671千米，是世界上最长的河流。
里海虽称海，但却是一个巨大的内陆咸水湖。
撒哈拉沙漠形成于约250万年前，是世界上最大的沙质荒漠。
1a Match the facts yu knw.
,025 meters deep.(教材 P49 1a)
The river is 20 meters wide. = The river is 20 meters in width.
英语中的长、宽、高、深、面积的表达方法
Language pint
(1)基数词 + 单位词 + 形容词（lng、wide、 high、deep等)
(2)基数词 + 单位词 + in + 名词（length、 width、 height、 depth、size等）
1. Qmlangma is _____________ than any ther muntain in the wrld.2. The Sahara is _____________ desert in the wrld.3. The Caspian Sea is _______________ f all the salt lakes.4. The Nile is _________________ river in the wrld.
1b Listen and cmplete the sentences.
the biggest
the deepest
Listen and read.
Teacher: Yesterday, we learned sme imprtant gegraphical facts. I hpe yu all still remember them. I’m ging t test yu nw by asking a few questins. First, what’s the highest muntain in the wrld?By 1: Qmlangma! It’s higher than any ther muntain in the wrld.
Teacher: That’s right. And wh can tell me what the Sahara is?Girl 1: The Sahara is the biggest desert in the wrld.Teacher: Very gd. And which is the deepest salt lake in the wrld?Girl 2: The Caspian Sea is the deepest f all the salt lakes.Teacher: Yu’re all s smart! Nw, fr the last questin,
which is the lngest river in the wrld?By 2: I knw! The Nile is the lngest river in the wrld.By 1: And the Amazn is the secnd lngest river in the wrld.Teacher: It seems that yu knw the answers t all my questins. Gd jb!
Qmlangma is higher than any ther muntain in the wrld. (教材 P49 1b)
该结构意为“比其他任何一个······都······”，指在同一范围内比较，表示最高级含义。She is thinner than any ther student in her class. = She is the thinnest student in her class.
比较级 + than+ any ther + 可数名词单数
Language pint
1c Use the infrmatin in 1b t make cnversatins.
What is the highest muntain in the wrld?
Think f ther bjects that are high, big, deep r lng and describe them.
I live in the highest building in the city.
We have the biggest field f all the high schl in twn.
Helen has the lngest hair in the class.
Read the missing number quickly.
What is the largest/smallest number in the game?
2a Listen and number the facts [1-4] in the rder yu hear them.
6,300 5,000 5,464 300
___ The Yangtze River is abut ________ kilmeters lng and the Yellw River is ________ kilmeters lng.___ China has the biggest ppulatin in the wrld. It’s a lt bigger than the ppulatin f the US.___ China is ver ________ years ld. It has a much
lnger histry than the US. The US is nt even ________ years ld. ____ China is almst as big as the US, and it is the biggest cuntry in Asia.
2b Listen again and fill in the blanks in 2a with the numbers in the bx.
6,300 5,000 5,464 300
________ years ld.____ China is almst as big as the US, and it is the biggest cuntry in Asia.
Mike：Hi, I’m Mike. I’m frm the United States. By: Welcme t ur class, Mike. We’re happy t meet yu. Mike：Can yu tell me a bit mre abut China? Girl：Sure! Did yu knw that China is ne f the ldest cuntries in the wrld? It’s ver 5,000 years ld. Mike: Yes, I did. It’s much lder than my cuntry — in
fact, the United States is ne f the yungest cuntries in the wrld. It’s nt even 300 years ld. By：And China has the biggest ppulatin, t. It’s a lt bigger than the ppulatin f the United States.Mike：But China is abut the same size as the US, right?Girl：Yes, and it’s the biggest cuntry in Asia. We als have sme famus rivers. The Yangtze River is
the lngest river in Asia. It’s abut 6,300 kilmeters lng.Mike：Ww! I didn’t knw that. I thught the Yellw River was lnger.By：N, the Yellw River is 5,464 kilmeters lng. But bth rivers are very imprtant t China.
China has the biggest ppulatin in the wrld. (教材 P50 2a)
(1) ppulatin 是集体名词，在句中作主语时，谓语动 词用单数形式。The wrld ppulatin cntinues t increase, but in sme areas the ppulatin is falling.
ppulatin /ˌpɒpjuˈleɪʃn/, /ˌpɑpjuˈleɪʃn/ n. 人口；人口数量
Language pints
(2)表示有多少人口时，用“have/has a ppulatin f + 基数词”, 或“the ppulatin f… is + 基数词”。China has a ppulatin f abut 1.4 billin. = The ppulatin f China is abut 1.4 billin.(3)询问人口数量时, 用“What is the ppulatin f…?”或“Hw large is the ppulatin f…?”。What/Hw large is the ppulatin f Henan Prvince?
(4)表示人口数量的多少时，用 big/large 或 small 修饰， 而不能用 many、much 或 few 等。India has a larger ppulatin than America.【特别提醒】表示price（价格）的高低，应用 high 或 lw，不能用 expensive 或 cheap；表示 temperature（温度）的高低，应用 high 或 lw，不能用 ht 或 cld。
2c Make cnversatins using the infrmatin in 2a.
Did yu knw that China is ne f the ldest cuntries in the wrld?
Yes, I did. It’s much lder than my cuntry.
Read the cnversatin in 2d and answer the questins.
1. What is the cnversatin abut?
It’s abut a tur t the Ming Great Wall.
2. Hw lng is the Ming Great Wall?
It’s abut 8,850 kilmeters lng.
3. What des the guide say abut the wall?
It’s quite tall and wide.It’s the lngest wall in the wrld.There are n man-made bjects as big as this. …
2b Rle-play the cnversatin.
Guide: Feel free t ask me anything n tday’s Great Wall tur.Turist 1: Hw lng is the wall?Guide: Ah, the mst ppular questin! If we’re nly talking abut the parts frm the Ming Dynasty, it’s abut 8, 850 kilmeters lng. This makes it the lngest wall in the wrld.
（表示允许）可以随便做某事
n. & v. 旅行；旅游
2d Rle-play the cnversatin.
Turist 2: Ww, that’s amazing! Why did the ancient emperrs build the wall?Guide: The main reasn was t prtect their part f the cuntry. As yu can see, it’s quite tall and wide. As far as I knw, there are n ther man-made bjects as big as this.
adj. 宽的；宽阔的
adj. 令人惊喜（惊叹）的
adj. 古代的；古老的
Turist 3: Is Badaling part f the Ming Great Wall?Guide: Yes, it’s the mst famus part.
1. Feel free t ask me anything n tday’s Great Wall tur. (教材 P50 2d)
tur在此处作可数名词，意为 “旅行；旅游”，还可以作动词，意为“游览；在······巡回演出（或做宣传广告等）”。They went n a tur arund Eurpe last year.We tured Italy fr ur hliday last year.
tur /tʊə/,/tʊr/ n. & v. 旅行；旅游
【拓展】tur (v.) + 后缀-ist → turist (n.) 旅行者；观光者The turists tured Hng Kng fr hlidays. They all enjyed their tur.
2. Ww, that’s amazing！ (教材 P50 2d)
amazing一般用于修饰事物，amazed“吃惊的，惊奇的”常用于修饰人。 be amazed at 意为“对······感到惊讶”。The amazing magic shw made me feel s amazed.I’m amazed at his rapid prgress.
amazing /əˈmeɪzɪŋ/ adj. 令人大为惊奇的；令人惊喜（或 惊叹）的
【拓展】类似的以 -ing（令人······的）和-ed（感到······的）词缀结尾的形容词：interesting/interested surprising/surprisedrelaxing/relaxedmving/mved
tiring/tired, bring/bred, exciting/exited…
3. The main reasn was t prtect their part f the cuntry. (教材 P50 2d)
prtect在此处作及物动词, prtect…against/frm…“保护······免于······”。prtectin作不可数名词，意为“保护；防卫”。
prtect /prəˈtekt/ v. 保护；防护
There are lts f things we can d t prtect the envirnment?He wears sunglasses t prtect his eyes against/frm strng sunlight.It’s parents’ duty t prvide prtectin fr their children.
Guide: t ask me anything n tday’s Great Wall tur.Turist 1: is the wall?Guide: Ah, the mst ppular questin! If we’re nly the parts frm the Ming Dynasty, it’s abut 8, 850 kilmeters lng. This______ it the lngest wall in the wrld.
talking abut
Fill in the blanks accrding t 2d.
Turist 2: Ww, that’s amazing! Why did the ancient emperrs build the wall? Guide: The was t prtect their part f the cuntry. ,it’s quite tall and wide. , there are n ther man-made bjects as big as this.Turist 3: Is Badaling the Ming Great Wall?Guide: Yes, it’s the mst famus part.
As yu can see
As far as I knw
1. — ______ is the ppulatin f China nw, Jack? — Let me think fr a mment; it is abut ______. A.Hw many; 1,400 millin B.What; 1,400 millin C.What; 140 millin D.Hw many; 140 millin2.(2021•泰安中考改编) This is my chance t learn abut the prblems sea turtles face and be a vice fr these______ animals. A. secret B. direct C. amazing D. traditinal
3.____I knw, mre and mre peple in the wrld are learning Chinese. A. As well as B. As ften as C. As sn as D. As far as4.(2021•连云港中考)The ______ Lianyungang-Xuzhu High-speed Railway was pen t the public this year. A. 180 kilmeter lng B. 180 kilmeters lng C. 180-kilmeter-lng D. 180-kilmeters-lng
5.The girl is ______ than any ther girl in her class. A. mre beautiful B. the mst beautiful C. beautiful D. much beautiful6.(2021•山西中考) — T ______ ur eyesight, we’d better relax fr a while after reading fr a lng time. — I agree with yu. A.harm B.prtect C. examine
1.Hangzhu will be the third Chinese city t hst the _______(Asia) Games.2.(2021•杭州中考改编) Accrding t the latest census(人口普查), China has a _________ (ppulatin) f 1,411.78 wears sunglasses ________ (prtect) his eyes against the strng sunlight.
二、用所给单词的适当形式填空
4.Feel free _______ (ask) me anything n tday’s Great Wall ’s _______ (amaze) fr him ______(pass) the English exam this time.6.A lt f _______(tur) went t China _______ (visit) the Great Wall every year.
Useful expressins
feel free, as far as I knw, in size
square, meter, deep, desert, ppulatin, Asia, tur, turist, wall, amazing, ancient, prtect, wide, man-made
①The Yangtze River is abut 6,300 kilmeters lng.②Qmlangma is higher than any ther muntain in the wrld.③ And China has the biggest ppulatin,t.
1.New wrds: square, meter, deep, desert, ppulatin, Asia, tur, turist, wall, amazing, ancient, prtect, wide, man-made2.Expressins: feel free, as far as I knw
Learning gals
3. Sentences: ①The Yangtze River is abut 6,300 kilmeters lng. ②Qmlangma is higher than any ther muntain in the wrld. ③ And China has the biggest ppulatin,t.
What are these descriptins?
square kilmeters in size
meters deep
kilmeters lng
meters high
adj. 深的；纵深的
D yu knw these places?
the Caspian Sea
珠穆朗玛峰是世界海拔最高的山峰，高度为8848.86米。
尼罗河长6671千米，是世界上最长的河流。
里海虽称海，但却是一个巨大的内陆咸水湖。
撒哈拉沙漠形成于约250万年前，是世界上最大的沙质荒漠。
1a Match the facts yu knw.
,025 meters deep.(教材 P49 1a)
The river is 20 meters wide. = The river is 20 meters in width.
英语中的长、宽、高、深、面积的表达方法
Language pint
(1)基数词 + 单位词 + 形容词（lng、wide、 high、deep等)
(2)基数词 + 单位词 + in + 名词（length、 width、 height、 depth、size等）
1. Qmlangma is _____________ than any ther muntain in the wrld.2. The Sahara is _____________ desert in the wrld.3. The Caspian Sea is _______________ f all the salt lakes.4. The Nile is _________________ river in the wrld.
1b Listen and cmplete the sentences.
the biggest
the deepest
Listen and read.
Teacher: Yesterday, we learned sme imprtant gegraphical facts. I hpe yu all still remember them. I’m ging t test yu nw by asking a few questins. First, what’s the highest muntain in the wrld?By 1: Qmlangma! It’s higher than any ther muntain in the wrld.
Teacher: That’s right. And wh can tell me what the Sahara is?Girl 1: The Sahara is the biggest desert in the wrld.Teacher: Very gd. And which is the deepest salt lake in the wrld?Girl 2: The Caspian Sea is the deepest f all the salt lakes.Teacher: Yu’re all s smart! Nw, fr the last questin,
which is the lngest river in the wrld?By 2: I knw! The Nile is the lngest river in the wrld.By 1: And the Amazn is the secnd lngest river in the wrld.Teacher: It seems that yu knw the answers t all my questins. Gd jb!
Qmlangma is higher than any ther muntain in the wrld. (教材 P49 1b)
该结构意为“比其他任何一个······都······”，指在同一范围内比较，表示最高级含义。She is thinner than any ther student in her class. = She is the thinnest student in her class.
比较级 + than+ any ther + 可数名词单数
Language pint
1c Use the infrmatin in 1b t make cnversatins.
What is the highest muntain in the wrld?
Think f ther bjects that are high, big, deep r lng and describe them.
I live in the highest building in the city.
We have the biggest field f all the high schl in twn.
Helen has the lngest hair in the class.
Read the missing number quickly.
What is the largest/smallest number in the game?
2a Listen and number the facts [1-4] in the rder yu hear them.
6,300 5,000 5,464 300
___ The Yangtze River is abut ________ kilmeters lng and the Yellw River is ________ kilmeters lng.___ China has the biggest ppulatin in the wrld. It’s a lt bigger than the ppulatin f the US.___ China is ver ________ years ld. It has a much
lnger histry than the US. The US is nt even ________ years ld. ____ China is almst as big as the US, and it is the biggest cuntry in Asia.
2b Listen again and fill in the blanks in 2a with the numbers in the bx.
6,300 5,000 5,464 300
________ years ld.____ China is almst as big as the US, and it is the biggest cuntry in Asia.
Mike：Hi, I’m Mike. I’m frm the United States. By: Welcme t ur class, Mike. We’re happy t meet yu. Mike：Can yu tell me a bit mre abut China? Girl：Sure! Did yu knw that China is ne f the ldest cuntries in the wrld? It’s ver 5,000 years ld. Mike: Yes, I did. It’s much lder than my cuntry — in
fact, the United States is ne f the yungest cuntries in the wrld. It’s nt even 300 years ld. By：And China has the biggest ppulatin, t. It’s a lt bigger than the ppulatin f the United States.Mike：But China is abut the same size as the US, right?Girl：Yes, and it’s the biggest cuntry in Asia. We als have sme famus rivers. The Yangtze River is
the lngest river in Asia. It’s abut 6,300 kilmeters lng.Mike：Ww! I didn’t knw that. I thught the Yellw River was lnger.By：N, the Yellw River is 5,464 kilmeters lng. But bth rivers are very imprtant t China.
China has the biggest ppulatin in the wrld. (教材 P50 2a)
(1) ppulatin 是集体名词，在句中作主语时，谓语动 词用单数形式。The wrld ppulatin cntinues t increase, but in sme areas the ppulatin is falling.
ppulatin /ˌpɒpjuˈleɪʃn/, /ˌpɑpjuˈleɪʃn/ n. 人口；人口数量
Language pints
(2)表示有多少人口时，用“have/has a ppulatin f + 基数词”, 或“the ppulatin f… is + 基数词”。China has a ppulatin f abut 1.4 billin. = The ppulatin f China is abut 1.4 billin.(3)询问人口数量时, 用“What is the ppulatin f…?”或“Hw large is the ppulatin f…?”。What/Hw large is the ppulatin f Henan Prvince?
(4)表示人口数量的多少时，用 big/large 或 small 修饰， 而不能用 many、much 或 few 等。India has a larger ppulatin than America.【特别提醒】表示price（价格）的高低，应用 high 或 lw，不能用 expensive 或 cheap；表示 temperature（温度）的高低，应用 high 或 lw，不能用 ht 或 cld。
2c Make cnversatins using the infrmatin in 2a.
Did yu knw that China is ne f the ldest cuntries in the wrld?
Yes, I did. It’s much lder than my cuntry.
Read the cnversatin in 2d and answer the questins.
1. What is the cnversatin abut?
It’s abut a tur t the Ming Great Wall.
2. Hw lng is the Ming Great Wall?
It’s abut 8,850 kilmeters lng.
3. What des the guide say abut the wall?
It’s quite tall and wide.It’s the lngest wall in the wrld.There are n man-made bjects as big as this. …
2b Rle-play the cnversatin.
Guide: Feel free t ask me anything n tday’s Great Wall tur.Turist 1: Hw lng is the wall?Guide: Ah, the mst ppular questin! If we’re nly talking abut the parts frm the Ming Dynasty, it’s abut 8, 850 kilmeters lng. This makes it the lngest wall in the wrld.
（表示允许）可以随便做某事
n. & v. 旅行；旅游
2d Rle-play the cnversatin.
Turist 2: Ww, that’s amazing! Why did the ancient emperrs build the wall?Guide: The main reasn was t prtect their part f the cuntry. As yu can see, it’s quite tall and wide. As far as I knw, there are n ther man-made bjects as big as this.
adj. 宽的；宽阔的
adj. 令人惊喜（惊叹）的
adj. 古代的；古老的
Turist 3: Is Badaling part f the Ming Great Wall?Guide: Yes, it’s the mst famus part.
1. Feel free t ask me anything n tday’s Great Wall tur. (教材 P50 2d)
tur在此处作可数名词，意为 “旅行；旅游”，还可以作动词，意为“游览；在······巡回演出（或做宣传广告等）”。They went n a tur arund Eurpe last year.We tured Italy fr ur hliday last year.
tur /tʊə/,/tʊr/ n. & v. 旅行；旅游
【拓展】tur (v.) + 后缀-ist → turist (n.) 旅行者；观光者The turists tured Hng Kng fr hlidays. They all enjyed their tur.
2. Ww, that’s amazing！ (教材 P50 2d)
amazing一般用于修饰事物，amazed“吃惊的，惊奇的”常用于修饰人。 be amazed at 意为“对······感到惊讶”。The amazing magic shw made me feel s amazed.I’m amazed at his rapid prgress.
amazing /əˈmeɪzɪŋ/ adj. 令人大为惊奇的；令人惊喜（或 惊叹）的
【拓展】类似的以 -ing（令人······的）和-ed（感到······的）词缀结尾的形容词：interesting/interested surprising/surprisedrelaxing/relaxedmving/mved
tiring/tired, bring/bred, exciting/exited…
3. The main reasn was t prtect their part f the cuntry. (教材 P50 2d)
prtect在此处作及物动词, prtect…against/frm…“保护······免于······”。prtectin作不可数名词，意为“保护；防卫”。
prtect /prəˈtekt/ v. 保护；防护
There are lts f things we can d t prtect the envirnment?He wears sunglasses t prtect his eyes against/frm strng sunlight.It’s parents’ duty t prvide prtectin fr their children.
Guide: t ask me anything n tday’s Great Wall tur.Turist 1: is the wall?Guide: Ah, the mst ppular questin! If we’re nly the parts frm the Ming Dynasty, it’s abut 8, 850 kilmeters lng. This______ it the lngest wall in the wrld.
talking abut
Fill in the blanks accrding t 2d.
Turist 2: Ww, that’s amazing! Why did the ancient emperrs build the wall? Guide: The was t prtect their part f the cuntry. ,it’s quite tall and wide. , there are n ther man-made bjects as big as this.Turist 3: Is Badaling the Ming Great Wall?Guide: Yes, it’s the mst famus part.
As yu can see
As far as I knw
1. — ______ is the ppulatin f China nw, Jack? — Let me think fr a mment; it is abut ______. A.Hw many; 1,400 millin B.What; 1,400 millin C.What; 140 millin D.Hw many; 140 millin2.(2021•泰安中考改编) This is my chance t learn abut the prblems sea turtles face and be a vice fr these______ animals. A. secret B. direct C. amazing D. traditinal
3.____I knw, mre and mre peple in the wrld are learning Chinese. A. As well as B. As ften as C. As sn as D. As far as4.(2021•连云港中考)The ______ Lianyungang-Xuzhu High-speed Railway was pen t the public this year. A. 180 kilmeter lng B. 180 kilmeters lng C. 180-kilmeter-lng D. 180-kilmeters-lng
5.The girl is ______ than any ther girl in her class. A. mre beautiful B. the mst beautiful C. beautiful D. much beautiful6.(2021•山西中考) — T ______ ur eyesight, we’d better relax fr a while after reading fr a lng time. — I agree with yu. A.harm B.prtect C. examine
1.Hangzhu will be the third Chinese city t hst the _______(Asia) Games.2.(2021•杭州中考改编) Accrding t the latest census(人口普查), China has a _________ (ppulatin) f 1,411.78 wears sunglasses ________ (prtect) his eyes against the strng sunlight.
二、用所给单词的适当形式填空
4.Feel free _______ (ask) me anything n tday’s Great Wall ’s _______ (amaze) fr him ______(pass) the English exam this time.6.A lt f _______(tur) went t China _______ (visit) the Great Wall every year.
Useful expressins
feel free, as far as I knw, in size
square, meter, deep, desert, ppulatin, Asia, tur, turist, wall, amazing, ancient, prtect, wide, man-made
①The Yangtze River is abut 6,300 kilmeters lng.②Qmlangma is higher than any ther muntain in the wrld.③ And China has the biggest ppulatin,t.
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