初中英语人教版八年级下册Section A 1a—2d22 课件

1、First let enjoy a video:Qomolangmathe Nilethe Caspian Seathe SaharaMatch the facts you know.1aQomolangmaThe SaharaThe Caspian SeaThe Nilea. about 9,600,000 square kilometers in sizeb.1,025 meters deepc.6,671 kilometers longd.8,844.43 meters highLets learn to read the numbers.In the world， when we wr

2、ite large numbers， we usually write 3 numbers a part，just like：1,347,350,0009,600,0008,844.431,0256,671Do you know how to read them ?Can you read these numbers？ 7 1 6 7 1 6, 6 7 1 6 0 0, 0 0 0 9, 6 0 0, 0 0 0 1, 0 2 51, 3 4 7, 3 5 0, 0 0 0 hundredthousandmillionbillionmillionthousand0 . 13 . 144 . 4

3、3zero point onethree point one fourfour point four threeQomolangma8,844.43 meters high. point(eight thousand eight hundred and forty-four point four three)Read small numbersQomolangma8,844.43 meters highThe Saharaabout 9,600,000 square kilometers in sizeThe Caspian Sea1,025 meters deepThe Nile6,671

4、kilometers longCan you tell the facts to your partner?Eg:1. Qomolangma is _ meters high. 2.The Sahara is about _ square kilometers in size. 3.The Caspian Sea is_ meters deep. 4.The Nile is _ kilometers long.8,844.439,600,0001,0256,671Listen and complete the sentences.1. Qomolangma is _ than any othe

5、r 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.1bhigherthe biggestthe deepestthe longest A: What is the highest mountain in the world?B: Qomolangma.A: How high is it?B: It is 8,844.43 meters high.1cPair

6、workUse the information in 1b to make conversations.Example :PairworkUse the information in 1b to make conversations.PairworkUse the information in 1b to make conversations.A: What is the highest mountain in the world?B: Qomolangma.A: How high is it?B: It is 8,844.43 meters high.PairworkUse the info

7、rmation in 1b to make conversations.PairworkUse the information in 1b to make conversations.A: What is the highest mountain in the world?B: Qomolangma.A: How high is it?B: It is 8,844.43 meters high.A: What is the highest mountain in the world?B: Qomolangma.A: How high is it?B: It is 8,844.43 meters

8、 high.PairworkUse the information in 1b to make conversations.PairworkUse the information in 1b to make conversations.Summary In this class, what have you learned?1、We could read large numbers and small numbers.1,888 52,231 107,000 79,125,428, 142,250,148,129 3.1415926 2、We could express size, long, deep and high.3、A+V.(be)+比较级比较级+than+ any other +N.(单数单数)+范围。范围。 =A +V.(be) +the+最高级最高级+N.(单数单数)+范围。范围。 范围：范围：in , of all the Eg：Jim 是我们班个子最高的男生。是我们班个子最高的男生。 他有多高？他有多高？ 他身高他身高1.85 米。米。H