剑桥少儿英语二级上册UnitDidyouknow PPT课件

1、一、单元要点 1知识概述 （1）掌握本单元出现的生单词、词组和句型。 （2）掌握形容词最高级的用法。 （3）初步了解过去时态。第1页/共34页2单元重点词汇 world, tallest, metre, shortest, was, Britain, giraffe, land, animal, sailfish, travel, per, hour, Australia, mountain, the Mount Everest, river, the Nile, snowman, whale, ton, strongest, weakest, centimetres, difficult.第

2、2页/共34页3交际用语 （1）The Great Wall is the longest wall in the world. （2）How tall are you? I am one-hundred and forty-nine centimetres tall. （3）What can you easily do when you are very tall? （4）What cant you easily do when you are very tall? （5）Which animal is bigger? （6）Which animal is the biggest of th

3、e three? The sheep is the biggest.第3页/共34页二、单元学习 1Listen, number, point and read. （1）New words and expressions.第4页/共34页The giraffe is the tallest land(陆地） animal.Its 5.5 meters tall第5页/共34页The tallest man in China is 2.36 metres tall第6页/共34页The fastest plane is in the USA .it trsvels at 3.530 km per

4、 hour第7页/共34页The biggest animal is the blue whale.It is 30 meters long and 150tons第8页/共34页The biggest plants are trees第9页/共34页The fastest car is in Britain. It travels at 1020 km per hour.第10页/共34页The fastest fish is the sailfish. It can travel at 100 km per hour.第11页/共34页The shortest woman in China

5、 was 79cm tall when she was 19第12页/共34页The Great Wall is the longest wall in the world .It is 6.350 km long.第13页/共34页The highest mountain is the Mount Everest.第14页/共34页The tallest snowman was 22 metres第15页/共34页The longest river is the Nile .It is 6.673 km long.第16页/共34页第17页/共34页（2）New sentences.The

6、Great Wall is the longest wall in the world.The tallest man in China is 2.36 metres tall.The shortest woman in China was 79 cm tall when she was 19.此句是be动词在一般过去时中的变化，规律为：am和is在一般过去时中变为was；are在一般过去时中变为were。一般过去时意义：表示过去某个时间发生的事情或存在的状态，或过去经常发生的动作。过去式的形式由动词的过去式表示；动词be除第一，第三人称单数用was，其余都用were。第18页/共34页 Th

7、e fastest car is in Britain. It travels at 1,020 km per hour. The giraffe is the tallest land animal. It is 5.5metres tall. The fastest fish is the sailfish. It can travel at 100 km per hour.旗鱼 The fastest boat is in Australia. It travels at 556 km per hour. The fastest plane is in the USA. It trave

8、ls at 3,530 km per hour.第19页/共34页 The biggest plants are trees. The highest mountain is the Mount Everest.埃佛勒斯峰 The longest river is the Nile. It is 6,673 km long. The tallest snowman was 22 metres. The biggest animal is the blue whale. It is 30 metres long and 150 tons.第20页/共34页（3）Pronunciation. 字母

9、C发k时，舌后部隆起，紧贴软腭，形成阻碍，然后突然放开，让口腔内气流冲出，爆破成音。发音时声带不振动。 e.g. catcutcoldcampcountry 字母C发S时，舌端靠近齿龈，气流由舌端齿龈间送出，形成摩擦音。发音时声带不震动。 e.g. citycellcelebrateceiling第21页/共34页2Read and add.第22页/共34页3Listen and chant. How tall are you? I am one hundred and forty-nine centimetres tall. 本句中“How tall are you?”是用来询问别人的身高

10、。 centimetre意为“厘米”。 e.g. The boy is 150 centimetres tall.第23页/共34页4Listen, read and answer.第24页/共34页 difficult意为“困难的”。 e.g. Every beginning is difficult. 万事开头难。 What can you easily do when you are very tall? 当你很高时你可以轻松地做什么？ I can easily reach things which are high up. I can help a cat off the tree w

11、ithout using a ladder. I can easily see football matches or I can pick apples from apple trees. What cant you easily do when you are very tall? 当你很高时你不可以轻松地做什么？ I cant buy the right shoes, clothes or even the right bed. I cant stand on a bus or sit in a taxi第25页/共34页5Look, find out and write. How ta

12、ll are they?第26页/共34页6Check, draw, write and find out. 1）Find out how tall the people in your class are. 2）Then make a graph showing the shortest to the tallest. 第27页/共34页7Look and say the differences.（1）In Picture A, there are two trees, but in Picture B, there are four trees.（2）In Picture A, there

13、 is a bird, but in Picture B, there are two birds.（3）In Picture A, there is no cloud, but in Picture B, there is a blue cloud.（4）In Picture A, there are three basketball, but in Picture B, there are two basketball.（5）In Picture A, there is a boy hold a cup, but in Picture B, there is a girl hold a c

14、up.第28页/共34页8Ask and answer in pairs.The dog is bigger. The sheep is the biggest of the three.Sam is taller. (This person is taller.)Paul is the tallest of the three.May is thinner. Ann is the thinnest of the three.第29页/共34页The rabbit is quicker. The tiger is the quickest of the three.The white sheep is fatter. The red sheep is the fattest.The red dress is longer. The green dress is the longest of the three.第30页/共34页9Look, read and write.第31页/共34页三、单元小结 1Words.第32页/共34页2New sentences. （1）The Great Wall is the longest wall in the world. （2）The tallest man in Chin