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1、Unit 7 Whats the highest mountain in the world?八年级英语下册人教版(1a-2a)01 Knowlege and ability 02 Process and method03 Feeling and valueTeaching aims and demands教学目标The students know the rule of superlative degree.Check、ask、lead、practisecompare with each other in order to be a good student.01 The superlati
2、ve.02 How to read the numberTeaching important point and difficult point.教学重难点查01英汉互译平方square米meter深，纵深的deep英汉互译沙漠desert珠穆朗玛峰Qomolangma尼罗河the Nile英汉互译里海the Caspian撒哈拉沙漠the Sahara尺寸、大小size英汉互译长long高（指物）high人口population英汉互译长江Yangtze Riversquare n.平方meter n.米deep adj.深的desert n.沙漠population n.人口Asia n.
3、亚洲Do you know these interest places?Qomolangma Qomolangma runs along the border between China and Nepal.It is covered with snow all the year round.Its 8844.43 high,the highest in the world.Its 26 kilometers long.The Nile is the longest river in the world.Its more than 6600 kilometers long.It runs th
4、rough 9 countries,its one of the largest river flows（流）（流）through the international states（国家、州）（国家、州）in the world and runs into the Mediterranean Sea(地中海地中海)in the end.the Nilethe Caspian Sea The Caspian Sea is the biggest lake in the world.It lies in the border between Asia and Europe.The Sahara i
5、s the biggest desert in the world.It is located（位于）（位于）in the northern Africa,climate conditions are very bad,is one of the earths most not suitable for biological survival（生物生存）（生物生存）.the Sahara The Yangtze River is the third longest river in the world,the first Asian rivers.Its 6211.31 kilometers
6、long.The Yangtze River,east-west width of 3219 kilometers,about 966 kilometers wide north-south,passing through 11 provinces.It runs into the East Sea in Shanghai finally.the Yangtze River问、导02Lets play a game！1.2.3.4.5.6.pass.8.9.101、Can you say these numbers?9 999999,99999,999999,9999,999,99999,99
7、9,9991、Who can reach the top in shortest time?2022348,0772,1466.131.25850,212135,0171,125,0009,600,0001a Match the facts you know.Qomolangma about 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile8,844.43 meters high问、导031、Do you know the rule
8、 of comparative degree.（比较级变化规则）（比较级变化规则）01 直接加er 02 有e加r03 辅音加y，变y为i加er04 双写最后一个辅音字母，再加er05 多音节、部分双音节词前加moreWhat about the superlative degree（最高级）?2、Do you know the rule of comparative degree.01 直接加er 02 有e加r03 辅音加y，变y为i加er04 双写最后一个辅音字母，再加er或est或st或est或est05 多音节、部分双音节词前加more 最高级前加the most3、说出下列单词的比
9、较级和最高级。说出下列单词的比较级和最高级。02 deep01 long03 high04 biglongerlongestdeeperdeepesthigherhighestbiggerbiggest3、说出下列单词的比较级和最高级。说出下列单词的比较级和最高级。02 easy01 nice03 beautiful04 much/manynicernicesteasiereasiestmore beautifulmost beautifulMoremost05 good/wellbetterbest1b Listen and complete the sentences.风险题，答对加风险题
10、，答对加2分，打错扣分，打错扣2分。分。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练042a Listen and number the facts(1-4)in the order you hear them.6,3
11、00 5,000 5,464 300_ The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers long._ China has the biggest population in the world.Its a lot bigger than the population of the US._ China is over _ years old.It has a much longer history than the US.The US is not even _ years ol
12、d._ China is almost as big as the US,but it is the biggest country in Asia.42132b Listen again and fill in the blanks in 2a with the numbers in the box.6,300 5,000 5,464 300_ The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers long._ China has the biggest population in
13、the world.Its a lot bigger than the population of the US.6,3005,464_ China is over _ years old.It has a much longer history than the US.The US is not even _ years old._ China is almost as big as the US,but it is the biggest country in Asia.5,000300Homework1、Pre-review 2d on page502、Finish exercise book on p67感谢聆听，批评指导Thank you to listen to criticism guidance