Unit 10 Did you know? 课件

课件17张PPT。Unit ten Did you know?The giraffe is the tallest land animal.It is 5.5 metres tall.The tallest man in China is 2.36 metres tall .The biggest animal is the blue whale.It is 30 metres long and 150 tons.The fastest plane is in the USA.It travels at 3,530 km per hour.The biggest plants are trees.The fastest fish is the sailfish .It can travel at 100 km per hour.The shortest woman in China was 79cm tall when she was 19.The fastest car is in Britain .It travels at 1,020 km per hour.The Great wall is the longest wall in the world.It is 6,350 km long.The highest mountain is the Mount Everest.The fastest boat is in Australia.It travels at 556km per hour.The tallest snowman was 22 metres3.Listen and chant.How tall are you? How tall are you? How tall are you? Iam one hundred and forty-nine centimetres tall. How tall are you? How tall are you? Iam one hundred and fifty-seven centimetres tall.How tall are they ?2.Read and add课件32张PPT。 Unit 10 Did you know?the Nile (尼罗河）The Nile is very long. It’s 6673 kilometers long. It’s the _____river in the world. longestMount Everest (珠穆朗玛峰）Mount Everest is the _____ mountain in the world. highestslowslowerthe slowestshortshorterthe shortestoldolder oldestWhich is bigger, the pig or the elephant?( )( )√The elephant is bigger.Which is taller, the giraffe or the dog ?( )( )√The giraffe is taller.Which is faster, the tiger or the dog?( )( )√The tiger is faster.What ’s the biggest in the picture ?( )( )( )The whale is the biggest .√What’s the smallest in the picture ?( )( )( )The ant is the smallest .√fastfasterfastestThe tiger is the fastest.slowslowerslowestThe snail is the slowest .Let's readtallest shortest oldest youngest fattest thinnest biggest smallest Let's readtall- taller –the tallest short -shorter –the shortest old –older- the oldest young -younger –the youngest fast - faster—the fastest slow-slower—the slowest finefinerfinestthinthinnerthinnesthothotterhottesteasyeasiereasiesthappyhappierhappiest特殊形容词最高级的变化Summary形容词最高级的构成方法： 1、一般在形容词末尾加 est。如：short--shortest 2、以重读闭音节结尾，末尾只有一个辅音字母的， 先双写这 个辅音字母，再加 est。 big--biggest 3. 以e结尾的，直接加st 。 如；fine-finest 4.以辅音加y结尾的，把y变i，加est。 如：happy-happiest Start开始终点EndRead the words together and cross the river. --快速读单词。bigoldfasttallfatterthintallersmallyoungestshortslowbiggestolderoldestSum: 形容词最高级的用法形容词最高级用于三者或三者以上之间的比较, 最高级词前一般有the。如:…be +the +形容词最高级 Tony is the tallest boy in the class.I’m the shortest in my family.bigbiggerthe biggestWhat’s the biggest anmial in the world?The whale is the biggest. smallsmallerthe smallestWhich is the smallest of the three?The ant is the smallest.oldolderthe oldest TomJackMaryWho is the oldest of the three?Mary is the oldest.youngyoungerthe youngestWho is the youngest of the three?The baby is the youngest. fastfasterthe fastestWhich is the fastest of th ... ...