人教新目标 (Go for it) 版八年级下册Section A评课ppt课件
展开1.能够听懂谈论“自然地理之最”的对话内容,并掌握物体长宽高及面积的表达等。
2.能够掌握大数字的读法,并运用大数字和比较级、最高级谈论“自然地理之最”。
3.通过反复听, 能以角色扮演的形式,用正确的语音语调运用所学句型进行对话。
Learning gals
4.能够了解我国和世界的一些“自然地理之最”,并通过对比加深对祖国的了解和热爱。
D yu like traveling arund the wrld?
D yu knw them? Which is the biggest cntinent in the wrld?
Asia/'eɪʒə/亚洲
Eurpe/ˈjʊərəp/欧洲
Africa/'æfrɪkə/非洲
Oceania/ˌəʊsiˈɑːniə/大洋洲
Suth America 南美洲
Nrth America北美洲
Let’s enjy the beautiful scenery.
What's the name f the muntain?
D yu knw abut Qmlangma?
D yu knw hw high Qmlangma is?
It's abut 8844.43 meters high.
What's the name f the river?
D yu knw abut the Nile?
D yu knw hw lng the Nile is?
It's abut 6,671 kilmeters lng.
What's the name f the lake?
the Caspian Sea
D yu knw abut the Caspian Sea?
D yu knw hw deep the Caspian Sea is?
It's abut 1,025 meters deep.
What's the name f the desert?
D yu knw abut the Sahara?
D yu knw hw big the Sahara is in its size?
It's abut 9,600,000 square kilmeters in size.
Hw t read the large numbers?
tw billin and sixty-five millin, six hundred and nine thusand, nine hundred and eighty pint three fur.
2, 065, 609, 980. 34
读时,将每三位数看做一个单位,自右向左依次为thusand千,millin百万,billin十亿。每个单位按百、十、个位向右读。其中百位到十位之间要加入 and。小数点读pint。
1,390,000,000
2,000,060,000
three millin, five hundred and sixty-three thusand, ne hundred and twenty-nine.
ne billin, three hundred and ninety millin.
seven thusand, seven hundred and frty-tw pint fur three.
tw billin and sixty thusand.
Can yu read the large numbers?
six thusand, six hundred and seventy-ne.
ne thusand and twenty-five.
nine millin, six hundred thusand.
eight thusand, eight hundred and frty-eight pint eight six .
Try t read them.
形容词 (lng / wide / high / deep / big …)
形容词 (lng / wide / high…)
Hw t ask and answer?
名词 (size / length / …)
Match the facts yu knw.
Predict and try t cmplete the sentences in 1b.
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.
Listen and cmplete the sentences.
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.
the biggest
the deepest
比其他任何山都高=最高
=Qmlangma is the highest muntain in the wrld.
总结:形容词比较级+than any ther+单数名词=最高级+单数名词。
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?
Listen and read ablud
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!
“the+序数词+最高级+单数名词+in…”表示“是……中的第几……”
Qmlangma is higher than any ther muntain in the wrld.
该结构意为“比其他任何一个……都……”,指同一范围内比较,表示最高级含义。She is thinner than any ther student in her class. = She is the thinnest in her class.
ther必不可少,用以将主语从比较对象中排除,避免逻辑矛盾。
比较级 + than any ther + 可数名词单数
Language pints
【特别提醒】如果比较对象不在同一范围内或不属于同一类别,应用“形容词/副词比较级 + than any(任何的) + 可数名词单数”。The Pacific Ocean is larger than any lake in the wrld.
Hulunbuir is bigger than _____________ city in China.Hulunbuir is bigger than _____________ city in Anhui.
Use the infrmatin in 1b t make cnversatins.
Hw much d yu knw abut ur cuntry?
1. Hw lng is the histry f China?2. What size is China?3. What is the ppulatin f China?4. Hw lng is the Yangtze River and the Yellw River?
China has a histry f mre than 5000 years.
Abut 9,600,000 square kllmeters in size.
It has a ppulatin f 1,400,000,000.
The Yangtze River is abut 6,300 kilmeters lng. the Yellw River is abut 5,464 kilmeters lng.
Listen and number the facts [1-4] in the rder yu hear them.
___ 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, but it is the biggest cuntry in Asia.
6,300 5,000 5,464 300
Listen again and fill in the blanks in 2a with the numbers in the bx.
a lt和much可修饰比较级。
和...一样(同级比较)
Language pints
3. China has the biggest ppulatin in the wrld.
① ppulatin n. 人口;人口数量。是集体名词,在句中作主语时,谓语动词用单数形式。ppulatin 之前若有分数修饰做主语时,谓语动词则可用复数形式.
中国人口有17亿多。 The ppulatin f China is ver 1.7 billin. 这儿大约有五分之三的人口是农民。 Abut three fifths f the ppulatin here are farmers.
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?
④ 表示人口多少时,用 big/large 或 small 修饰,而不能用 many,much 或 few 等。India has a large ppulatin.
类似的,表示 price(价格)高低,用 high 或 lw,不能用 expensive 或 cheap;表示 temperature(温度)高低,用 high 或 lw,不能用 ht 或 cld。
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.
Make cnversatins using the infrmatin in 2a.
Practice in pairs like this:A: Did yu knw that China is ne f the ldest cuntries in the wrld?B: Yes, I did. It’s much lder than my cuntry.
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.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.
talking abut
As far as I knw
Fill in the blanks accrding t 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.Turist 2: Ww, that's amazing! Why did the ancient emperrs build the wall?
(可以)随便(做某事),其后接动词不定式。
n. & v. 旅行;旅游
adj. 令人大为惊奇的;令人惊喜(惊叹)的
adj. 古代的;古老的
Rle-play the cnversatin.
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.Turist 3: Is Badaling part f the Ming Great Wall?Guide: Yes, it's the mst famus part.
adj. 宽的;宽阔的
Hw much d yu knw abut China?
1. 长、宽、高、深、面积的表达方法
eg:It is abut 100 meters lng frm my huse t the theater. 从我家到剧场大约100米。 The well is abut 5 meters deep. 这口井大约5米深。 This ruler is 20 centimeter lng. 这把尺子有20厘米长。 =This ruler is 20 centimeter in length. The giraffe is three feet high. =The giraffe is three feet in height. 长颈鹿有三英尺高。
2. Qmlangma is higher than any ther muntain in the wrld.
“any ther +可数名词的单数”,意为“任何其他的”
❶ any ther“其他任何一个”,后接可数名词单数;指在同一范围内除了某人或某物以外的其他任何人或物;通常用于比较级,多用于同一范围内相比较。
eg:Shanghai is bigger than any ther city in China. 上海比中国的其他城市都大。 Tm runs faster than any ther student in his class. 汤姆跑得比班上任何一个学生都快。
❷ “any ther +可数名词单数” 可与 “the ther +可数名词复数”互换,也可用最高级形式表达。
eg:Lucy is mre careful than any ther student in her class. =Lucy is mre careful than the ther students in her class. 露西比班上的其他学生更细心。
ppulatin是一个集合名词,意为“人口;人口数量”。其常见用法如下:
❶ ppulatin常与定冠词the连用,作主语时,谓语动词常用第三人称单数形式。
eg:The wrld's ppulatin is increasing faster and faster. 世界人口增长得越来越快。 China has the biggest ppulatin in the wrld. 中国是世界上人口最多的国家。
❷ 当分数或百分数修饰ppulatin作主语时,谓语动词用复数形式。
eg:Abut seventy percent f the ppulatin in this cuntry are farmers. 这个国家大约百分之七十的人口是农民。
❸ 有时ppulatin可用作可数名词,其前可用不定冠词。
eg:It is a big city with a ppulatin f ver 10 millin. 它是一个有一千多万人口的大城市。
❹ 表示人口的多少,不用much或little,而要用large或small。
eg:China has large ppulatin and Singapre has a small ppulatin. 中国人口多,新加坡人口少。
❺ 询问某国、某地有多少人口时,不用“Hw much……”;而用“What’s the ppulatin f……?”。
eg:-What’s the ppulatin f China?中国有多少人口 -1411780000人。
Hmewrk1. D the exercises in students’ bk.2. Read and recite the wrds and phrases in Sectin A (1a-2d).3. Preview the passage in Sectin A 3a-3c.
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