人教八下英语Unit 7 What's the highest mountain in the world SectionA（1a-1c）课件
square n. 平方平方meter n. 米米deep adj. 深的深的desert n. 沙漠沙漠Doyouknowtheseplaces? Qomolangmatumul:m珠穆朗玛峰珠穆朗玛峰 Qomolangma runs along the border边界边界 between China and Nepal尼泊尔尼泊尔 .It is covered with snow all the year round. Its 8844.43 meters high. Its the highest mountain in the world. Its 26 kilometers long. zxxk The Nile is the longest river in the world. Its about 6671 kilometers long. It is in Africa 非洲非洲and runs into注入注入 the Mediterranean meditreinjn Sea(地中海地中海) in the end. The Nile nal 尼罗河尼罗河TheCaspianSeakspin里海里海 The Caspian Sea is the deepest lake of all the salt lakes所有的咸水湖中所有的咸水湖中 in the world.Its 1,025 meters deep 深深.It lies in 位于位于the border边界边界 between Asia亚洲亚洲 and Europe欧洲欧洲. The Sahara is the biggest desert in the world. Its about 9,600,000 square kilometers平方公里平方公里 in size .It is located in坐落在坐落在 the northern Africa非洲北部非洲北部, climate klamt conditions 气候条件气候条件are very bad. TheSaharash:r 撒哈拉沙漠撒哈拉沙漠1aMatchthefactsyouknow.Qomolangma tumul:mabout 9,600,000 square kilometers in size在尺寸上在尺寸上The Saharash:r1,025 meters deepThe Caspian Sea kspin6,671 kilometers longThe Nile nal8,844.43 meters high8,844 meters high. 8,844米高米高 meters high (deep, long, wide)米高（深，长，宽米高（深，长，宽)。英语表示英语表示“有多长（深，高，宽，有多长（深，高，宽，）”时，一般后面时，一般后面用表示长、宽、高、用表示长、宽、高、深的形容词深的形容词。e.g. The wall is 1.7 metres wide.1bListenandcompletethesentences.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形容词最高级前面一般要加定冠词形容词最高级前面一般要加定冠词the，后面可带后面可带in（of）短语）短语来表示三者及以上比较的范围。来表示三者及以上比较的范围。知识：知识：1.oneofthe+最高级最高级+复名复名“最最之一之一”YaoMingisoneofthetallestplayersinNBA.2.the序数词序数词+最高级最高级+单名单名“第几个最第几个最”.Changjiangisthethirdlongestriverintheworld.3.比较级比较级thananyother单名单名=the最高级最高级单名单名比任何一个比任何一个其它的其它的Jimistallerthananyotherboyinourclass.在我在我们班吉姆比任何一个其它的男孩都高。们班吉姆比任何一个其它的男孩都高。=Jimisthetallestboyinourclass. 构构构构 成成成成 方方方方 法法法法 原原原原 级级级级 比比比比 较较较较 级级级级最最最最 高高高高 级级级级单音单音单音单音节词节词节词节词和部和部和部和部分双分双分双分双音节音节音节音节词词词词一般在词尾加一般在词尾加一般在词尾加一般在词尾加- -erer或或或或- -estesthighhighshortshorthigherhighershorter shorter highesthighestshortestshortest以字母以字母以字母以字母e e词尾的词，词尾的词，词尾的词，词尾的词，加加加加-r-r或或或或- -st stlatelatefinefinelaterlaterfinest finest latestlatestfinestfinest重读闭音节词词尾只重读闭音节词词尾只重读闭音节词词尾只重读闭音节词词尾只有一个辅音字母时，有一个辅音字母时，有一个辅音字母时，有一个辅音字母时，先双写辅音字母，再先双写辅音字母，再先双写辅音字母，再先双写辅音字母，再加加加加- -erer或或或或- -estesthothotbigbigthinthinfatfathotterhotterbiggerbiggerthinnerthinnerfatterfatterhottesthottestbiggestbiggestthinnestthinnestfattestfattest以以以以“ “辅音字母辅音字母辅音字母辅音字母+y+y” ”结结结结尾的双音节词，先把尾的双音节词，先把尾的双音节词，先把尾的双音节词，先把“ “y y” ”改为改为改为改为“ “i i” ”，再，再，再，再加加加加- -erer或或或或- -estest funnyfunnyeasyeasyearlyearlyfunnierfunniereasiereasierearlierearlierfunniestfunniesteasiesteasiestearliestearliest多音节多音节多音节多音节词和部词和部词和部词和部分双音分双音分双音分双音节词节词节词节词在词前加在词前加在词前加在词前加moremore或或或或mostmostbeautifulbeautifuloutgoingoutgoingmore beautifulmore beautifulmore outgoingmore outgoingmost beautifulmost beautifulmost outgoingmost outgoing 原 级 比较级 最高级 good/well better best bad/badly worse worst many/much more most little less least far farther（更远） further（更层地）farthest(最远)furthest（最层地）形容词和副词的比较级、最高级形容词和副词的比较级、最高级 大多数形容词和副词有三个等级：1）原级（不作比较），修饰词very,so,too,pretty,quite,really2）比较级，表示“较”或“更”的意思（两者之间进行比较）, 标志词than,A or B,of the two, 修饰词much,a lot,a little；3）最高级，表示“最”的意思（三者或三者以上作比较），形容词最高级前面一般要加定冠词the，后面可带in（of）短语来表示三者及以上比较的范围。as(原级)as 与一样 Liming is as tall as Jim. Jack runs as fast as Tom.not as/soas 不如Lily is not as/so tall as Lucy. =Lily is shorter than Lucy.1c.use the information in 1b to make the conversations.Practice in pairs like this:A: Which is the in the ?B: z。xxk Qomolangmatumul:m珠穆朗玛峰珠穆朗玛峰Whichisthehighestmountainintheworld?TheSaharash:r 撒哈拉沙漠撒哈拉沙漠Whichisthebiggestdesertintheworld?TheCaspianSeakspin里海里海Whichisthedeepestsaltlakeintheworld?The Nile nal 尼罗河尼罗河Whichisthelongestriverintheworld?
