英语人教版八年级下册unit7A1.ppt

Unit 7 Whats the highest mountain in the world?Section Section A A 1 1a-2a-2d dAt birth,a baby panda is about 0.15 kilo.0.15 zero point one fiveDo you know?10100one hundred1,000one thousand1,000,000one million百万百万1,000,000,000one billion十亿十亿 123one hundred and twenty-three1,234one thousand,two hundred and thirty-four12,234twelve thousand,two hundred and thirty-four1,234,345 Can you read?1,025 5,000 5,464 6,300 6,671 8,850 8,844.43 9,600,000 Qomolangma Qomolangma is 8844.43 meters high.the highest mountain The Nile is 6671 kilometers long.the longest river The Caspian Sea is 1,025 meters deep.the deepest salt lakeThe Caspian Sea里海里海The Sahara is about 9,600,000 square kilometers in size.the biggest desert The SaharaBadaling part of the Great Wall1a Match the facts you know.1b Listen and complete the sentences.1.Qomolangma is _ than any other 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.higherthe biggestthe deepestthe longest2a Listen and number the facts(1-4)in the order you hear them.6,300 5,000 5,464 300_ The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers long._ China has the biggest population in the world.Its a lot bigger than the population of the US._ China is over _ years old.It has a much longer history than the US.The US is not even _ years old._ China is almost as big as the US,but it is the biggest country in Asia.42132b Listen again and fill in the blanks in 2a with the numbers in the box.6,300 5,000 5,464 300_ The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers long._ China has the biggest population in the world.Its a lot bigger than the population of the US.6,3005,464_ China is over _ years old.It has a much longer history than the US.The US is not even _ years old._ China is almost as big as the US,but it is the biggest country in Asia.5,0003002d Read the conversation and answer the questions:1.Which is the biggest man-made objects in the world？2.Which is the most famous part of the Ming Great Wall?The Great Wall.Badaling part.We should know1.She is the tallest girl in our class.She is taller than any other girl in our class.2.Whats the population of China?About 1.3 billion.3.fell free是英语口语中一个常用表达是英语口语中一个常用表达A:Can I use your bathroom?我可以用一下你的卫生间吗？我可以用一下你的卫生间吗？B:Yes,feel free.可以，请随意。可以，请随意。4.as far as I know=so far as I know 据我所知据我所知 As far as I know,Jack has twin sisters.就我所知，杰克有一对孪生姐妹。就我所知，杰克有一对孪生姐妹。Theyre not coming today,so far as I know.他们今天不来了他们今天不来了 就我所知是这样的。就我所知是这样的。feel freethe most popular questiontalk about the Ming Dynastythe ancient emperorsthe main reasonas far as I knowthe Ming Great WallHow long is the wall?Its about 8,850 kilometers long.This makes it the longest wall in the world.Its the most famous part.Look at 1a and make four conversations.To memorize the important phrases and sentences.