资源简介 (共35张PPT)Unit7What’s the highest mountain in the world Section A 1a-1cWhich is the biggest continent(洲) in the world A. Europe (欧洲)B. Asia (亚洲)C. Africa (非洲)Which is the biggest ocean in the world A. Pacific (太平洋)B. Atlantic (大西洲)C. Indian Ocean (印度洋)Which is the highest plateau (高原) in the world A. Qinghai-Tibet Plateau (青藏高原)B. Pamirs Plateau(帕米尔高原)1aMatch the facts you know.Qomolangmathe Nilethe Caspian Seathe SaharaQomolangma about 9,600,000 square kilometers in sizeThe Sahara 1,025 meters deepThe Caspian Sea 6,671 kilometers longThe Nile 8,844.43 meters highLet’s learn more geographical facts (地理知识) about the world.QomolangmaWhat's the highest mountain in the world Qomolangma.How high is it ( What's the height of it )It's 8,848.86 meters high.It's 8,848.86 meters in height.height 高度It's the highest mountain in the world.It's higher than any other mountain in the world.Qomolangmathe Nilethe NileWhat's the longest river in the world The Nile.How long is it ( What's the length of it )It's 6,671 kilometers long.It's 6,671 kilometers in length.length 长度It's the longest river in the world.It is longer than any other river in the world.the Caspian Seathe Caspian SeaWhat's the deepest salt lake in the world The Caspian Sea.How deep is it ( What's the depth of it )It's 1,025 meters deep.It's 1,025 meters in depth.depth 深度It's the deepest salt lake in the world.It is deeper than any other salt lake in the world.the Saharathe SaharaWhat's the biggest desert in the world The Sahara.How big is it It's about 9,600,000 square kilometers in size.( What size is it )It has/covers 9,600,000 square kilometers.It‘s the largest desert in the world.It is larger than any other desert in the world.size 面积1aMatch the facts you know.Qomolangmathe Nilethe Caspian Seathe SaharaQomolangma about 9,600,000 square kilometers in sizeThe Sahara 1,025 meters deepThe Caspian Sea 6,671 kilometers longThe Nile 8,844.43 meters high=in depth=in length=in height6,671 kilometers long6,671 kilometers in length8,848.86 kilometers high8,848.86 kilometers in heightheight 高度length 长度depth 深度size 面积1,025 meters deep1,025 meters in depthabout 9,600,000 square kilometers in size表示长,宽,高的表达:基数词+单位词+形容词 (long, wide, high, deep)SummaryQomolangmathe Nilethe Caspian Seathe Sahara表示长,宽,高的表达:基数词+单位词+形容词/ in +(length, width, height, depth, size)the Caspian Sea1,025 meters deepHow to read it thousandone thousand and twenty-fivethe Nile6,671 kilometers longHow to read it thousandsix thousand six hundred and seventy-oneQomolangma8,848.86 meters highHow to read it thousandeight thousand eight hundred and forty-eight, point eight sixpointabout 9,600,000 square kilometers in sizeHow to read it thousandmillionnine million six hundred thousandthe Sahara9,300,000,000 light yearsthousandbillionnine billion three hundred millionmillion9,300,040,620 light yearsthousandbillionnine billionmillionthree hundred millionforty thousandsix hundred and twentySummary______ billion (十亿)______ million (百万)_____ thousand______ hundred and ______Exercise8,742.332,463,1281,370,000,0002,000,030,000eight thousand seven hundred and forty-two point three threetwo million four hundred and sixty-three thousand one hundred and twenty-eightone billion three hundred and seventy milliontwo billion (and) thirty thousandTime to listen1bListen and complete the sentences.1. Qomolangma is ______ than any other mountain in the world.2. The Sahara is ____________ desert in the world.3. The Caspian Sea is ____________ of all the salt lakes.4. The Nile is _________ river in the world.higherthe biggestthe deepestthe longest比其他任何人都高=最高= Qomolangma is the highest mountain in the world.1bListen and fill in the blanks.Teacher:Yesterday, we learned some important _______________ . I hope youall still remember them. I’m going to ______ you now by asking a fewquestions. First, what’s the _______ mountain in the world Boy 1: Qomolangma! It’s higher _______ _____mountain in the world.Teacher:That’s right. And who can tell me what the Sahara is Girl 1: The Sahara is__ ______ ______ in the world.Teacher:Very good. And which is the _______ salt lake in the world Girl 2: The Caspian Sea is the deepest ___ ____ the salt lakes.Teacher:You’re all so smart! Now, for the last question, which is the _____ riverin the world Boy 2: I know! The Nile is the longest river in the world.Boy 1: And the Amazon is ___ _______ longest river in the world.Teacher:It seems that you know the answers to all my questions. Good job!geographical factstesthighestthan any otherbiggestdesertthedeepestof alllongest“the+序数词+最高级+单数名词+in…”表示“是……中的第几……”“the+序数词+最高级+单数名词+in…” 表示“是……中的第几……”形容词最高级结构: the+最高级+其他How to ask about geographical facts “比较级+than any other+可数名词单数+其他”表示“同一范围比其他任何一个……都……”比较级+than any可数名词单数+其他表示不同范围的比较注:该结构可与“the+最高级+其他”相互转换Fill in the table.Mountain River Sea/Lake DesertFeatureMostLeastheighthighestlowestlengthlongestshortestdepthdeepestshallowestareabiggestsmallest1cUse the information in 1b to make conversations.Qomolangmathe Nilethe Caspian Seathe SaharaA: What is the ... in the world B: ...A: How ... is it B: It is ...high/deep/in size...1. about 9, 000, 000 square kilometers in size 面积大约900万平方千米(1)square①[形容词]平方;正方形的;表示“平方”时用于数字后表示面积。50 square meters 50平方米a large square room一个正方形的大房间②[可数名词]正方形;广场draw a square画一个正方形 Tian'anmen Square天安门广场(2)in size在尺寸上;在大小方面The sweaters are different in size.这些毛衣尺码不同。The square is about 500 square meters in size.这个广场面积大约500 平方米。Language points2. 1, 025 meters deep 1025 米深(教材第49 页,la)(1)meter[可数名词]米;公尺meter 为美式英语拼写,英式英语拼写为 metre。a 10-meter-wide road一条10米宽的路about 500 meters long大约500米长(2)deep[形容词]深的;纵深的“某物的深度”的表达方式为“基数词+表示‘度量’的名词+ deep”。The hole is 10 meters deep.这个洞10米深。Language points长、宽、高、深、面积的表达方法The river is 20 meters wide. = The river is 20 meters in width.基数词 + 单位词 + 形容词(long, wide, high, deep等)基数词 + 单位词 + in + 名词(length, width, height, depth, size等)【拓展延伸】作定语时用合成词“数词 - 单位词单数 – 形容词”。This 20-meter-long rope isn’t long enough to help climb the mountain.Language points3. Qomolangma is higher than any other mountain in the world. (教材 P49 1b)比较级 + than any other + 可数名词单数Point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 other student in her class. = She is the thinnest in her class.other必不可少,用以将主语从比较对象中排除,避免逻辑矛盾。Language points【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 world.练一练Hulunbuir is bigger than _____________ city in China.Hulunbuir is bigger than _____________ city in Anhui.any otherany 展开更多...... 收起↑ 资源预览