劍橋少兒英語二級上冊UnitDidyouknow PPT課件

1、一、單元要點 1知識概述 （1）掌握本單元出現(xiàn)的生單詞、詞組和句型。 （2）掌握形容詞最高級的用法。 （3）初步了解過去時態(tài)。第1頁/共34頁2單元重點詞匯 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頁/共34頁3交際用語 （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頁/共34頁二、單元學(xué)習(xí) 1Listen, number, point and read. （1）New words and expressions.第4頁/共34頁The giraffe is the tallest land(陸地） animal.Its 5.5 meters tall第5頁/共34頁The tallest man in China is 2.36 metres tall第6頁/共34頁The fastest plane is in the USA .it trsvels at 3.530 km per

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

5、 was 79cm tall when she was 19第12頁/共34頁The Great Wall is the longest wall in the world .It is 6.350 km long.第13頁/共34頁The highest mountain is the Mount Everest.第14頁/共34頁The tallest snowman was 22 metres第15頁/共34頁The longest river is the Nile .It is 6.673 km long.第16頁/共34頁第17頁/共34頁（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動詞在一般過去時中的變化，規(guī)律為：am和is在一般過去時中變?yōu)閣as；are在一般過去時中變?yōu)閣ere。一般過去時意義：表示過去某個時間發(fā)生的事情或存在的狀態(tài)，或過去經(jīng)常發(fā)生的動作。過去式的形式由動詞的過去式表示；動詞be除第一，第三人稱單數(shù)用was，其余都用were。第18頁/共34頁 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.旗魚 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頁/共34頁 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頁/共34頁（3）Pronunciation. 字母

9、C發(fā)k時，舌后部隆起，緊貼軟腭，形成阻礙，然后突然放開，讓口腔內(nèi)氣流沖出，爆破成音。發(fā)音時聲帶不振動。 e.g. catcutcoldcampcountry 字母C發(fā)S時，舌端靠近齒齦，氣流由舌端齒齦間送出，形成摩擦音。發(fā)音時聲帶不震動。 e.g. citycellcelebrateceiling第21頁/共34頁2Read and add.第22頁/共34頁3Listen and chant. How tall are you? I am one hundred and forty-nine centimetres tall. 本句中“How tall are you?”是用來詢問別人的身高

10、。 centimetre意為“厘米”。 e.g. The boy is 150 centimetres tall.第23頁/共34頁4Listen, read and answer.第24頁/共34頁 difficult意為“困難的”。 e.g. Every beginning is difficult. 萬事開頭難。 What can you easily do when you are very tall? 當(dāng)你很高時你可以輕松地做什么？ 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? 當(dāng)你很高時你不可以輕松地做什么？ 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頁/共34頁5Look, find out and write. How ta

12、ll are they?第26頁/共34頁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頁/共34頁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頁/共34頁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頁/共34頁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頁/共34頁9Look, read and write.第31頁/共34頁三、單元小結(jié) 1Words.第32頁/共34頁2New sentences. （1）The Great Wall is the longest wall in the world. （2）The tallest man in Chin