Unit 7 Section A 1a—2d 课件 2023-2024学年人教版八年级英语下册

Unit 7 Unit 7 What's the highest mountain in the world? Section A 1 1a—2d 1. To learn to compare facts 2. To learn to talk about geography and nature 写出下列形容词或副词的比较级和最高级。 strong small big large heavy good/well high stronger strongest smaller smallest bigger biggest larger largest heavier heaviest better best higher highest 写出下列形容词或副词的比较级和最高级。 deep long many/much thick wide excited recently deeper deepest longer longest more most thicker thickest wider widest more excited most excited more recently most rencently How to read the numbers? zero fifty-nine one hundred three hundred and fifty-two seven hundred and twenty-five one thousand / a znd/ seven thousand two hundred and twenty-five point zero two ten thousand 一万 eleven thousand nine huandred and seventeen one hundred thousand 十万 one hundred thousand two hundred and sixteen point eight two Practice: speak out these numbers 9,842 9,802 8,848.86 110,000 6,671 1,025 5,464 6,300 23,021 nine thousand eight hundred and forty-two nine thousand eight hundred and two eight thousand eight hundred and forty-eight point eight six one hundred and ten thousand five thousand four hundred and sixty-four six thousand six hundred and seventy-one one thousand and twenty-five six thousand and three hundred twenty-three thousand and twenty-one 数字读法: (1)101—999: _ hundred and (2)1000及以上:从右至左,每三位数加一个逗号。第一个逗号:_; 第二个逗号:_;第三个逗号:_。 (3)小数点读 :_,后面的数字一位一位地依次读出。 23, 456, 302, 456. 12 billion /b lj n/ How to read large numbers? million /m lj n/ one~nine point 个位 十位-个位 thousand thousand(千) million(百万) billion(十亿) point (4)一万:ten thousand;十万: one hundred thousand twenty-three billion, four hundred and fifty-six million, three hundred and two thousand, four hundred and fifty-six point one two 1,234,567.89 12,345,678,912 one million, two hundred and thirty-four thousand, five hundred and sixty-seven point eight nine twevle billion,three hundred and forty-five million, six hundred and seventy-eight thousand, nine hundred and twevle The first dynasty