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1、初中英语人教版八年级下Unit7 Whats the highest mountain in the world?Section A（1a-1c）华民中学 王凤梅【学习目标学习目标】1.通过预习熟练掌握本节课单词的读音和拼写：deep,meter(metre),square,desert2.通过小组合作，能熟练表达物体的长、宽、高、深和面积，并能正确运用形容词和副词的比较级和最高级对事实和数字进行比较.3.拓展地理知识面，增强求知欲望。Liu Xiang is taller than Zhou Jielun.Zhou Jielun is tall.Yao Ming is the tallest
2、 of them.姚明刘翔周杰伦Look and say1/11/20234She is fat.She is fatter than her.She is the fattest of them.1/11/20235Li Mei is beautiful.Lily is more beautiful.Kate is the most beautiful.Presentation一、构成规则原级比较级最高级（1）一般单音节词在词尾加-er和-estlongfastlongerfasterlongestfastest（2）以“e”结尾的单音节词在词尾加-r和-stnicelatenicerlat
3、ernicestlatest规则变化规则变化规则原级比较级最高级（3）重读闭音节，词尾只有一个辅音字母，须双写最后一个辅音字母，再加-er或-estbighotsadgladbiggerhottersaddergladderbiggesthottestsaddestgladdest（4）辅音字母+y结尾，变y为i，再加-er和-estheavyangryfunnyheavierangrierfunnierheaviestangriestfunniest规则变化规则变化不规则变化不规则变化原级比较级最高级good/well好的better更好的best最好的bad差的，ill坏的worse更差的
4、；更坏的worst最差的；最坏的many/much多的more更多的most最多的little少的less更少的least最少的Do you know these places?Warm-upFree talkQomolangma the Saharathe Caspian Seathe NileAsk and answerWarm-upDo you know how high Qomolangma is?Its 8,844.43 meters high.Warm-upDo you know how long the Nile is?Its more than 6,671 kilometers
5、 long.Warm-upDo you know how deep the Caspian Sea is?Its 1,025 meters deep.Warm-upDo you know what size the Sahara is?Its about 9,600,000 square kilometers in size.1a Match the facts you know.Qomolangma about 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilomete
6、rs longThe Nile8,844.43 meters highPresentation1b Listen 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 longestWhic
7、h is the highest mountain in the world?Which is the longest river in Asia?Pair work-Talk about these pictures in pairs.How long is the Yangtze River?How long is the Yellow River?Whats the population of China?Whats the population of America?How long does the history of China last?How long does the history of America last?Homework