外研版必修一module5课件.pptVIP

Speaking 9 99 999 9,999 nine thousand, nine hundred and ninety-nine 99,999 ninety-nine thousand, nine hundred and ninety-nine 999,999 nine hundred and ninety-nine thousand, nine hundred and ninety-nine say these numbers: 2,578,169 51,000,000 85,621 4,002,006 Fraction A/B， 以基数词cardinal表示“A”，序数词ordinal表示“B”。 分子大于“1” ，分母加 “S” 1. What is 1/2 of 6,000,000? 3,000,000 2. How much is 35,246,000 plus 12,800,000? 48,046,000 3. What is 25% of 200,000,000? 50,000,000 4. How much is 260,408,396 plus 5,264,700? 265,673,096 5. What is 1/3 of 1,000,500,000? 333,500,000 6. What is 10%of 800,000,000? 80,000,000 GRAMMAR The earth is forty-nine times larger than the moon. The earth is forty-nine times as large as the moon. 形容词和副词的倍数比较的用法： 倍数词 as +adj./ adv.+ as eg. twice as big as three times as long as 倍数词 adj./ adv.的比较级 + than eg. twice bigger than three times longer than 2. Winter is four times colder in Harbin than in Beijing. Winter is four times as cold in Harbin as in Beijing. 3. Mount Qumolangma is about six times higher than Mount Tai. Mount Qumolangma is about six times as high as Mount Tai. 4. My aunt’s house is twice larger than my house. My aunt’s house is twice as large as my house. 5. Tom weighs over twice heavier than Lily. Tom weighs over twice as heavy as Lily. Homework: Exercise 1 2 on page 91 * * * * * * * * * * Vocabulary 9,999,999 99,999,999 nine million, nine hundred and ninety-nine thousand, nine hundred and ninety-nine ninety-nine million, nine hundred and ninety-nine thousand, nine hundred and ninety-nine 999,999,999 nine hundred and ninety-nine million, nine hundred and ninety-nine thousand, nine hundred and ninety-nine ② ③ ① ※can you guess how to read : 999，999，999，999 123，456，789，123”， billion million thousand 2mil