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 the three?The plane is the fastest .talltallerthe tallestWho is the tallest of the three?Yao Ming is the tallest.Which animal is the tallest of the three?The giraffe is the tallest animal.考考你的记忆力3. The elephant is
land(陆地) animal.2.The giraffe is animal.ABD1.The ant is animal
in the book. Look and say.(看图造句)the smallestthe tallestthe biggestAll the animals are our .
动物是我们的朋友。
We should protect and love them.
我们应该保护动物。friendsLet’s say （让我们用形容词最高级造句。）如： My father is the tallest in my family.
…1.读背57页右边12组单词。
2.Make sentences,using superlatives .
(用形容词最高级造句，至少6句)HomeworkThank you!
