仁爱版初中英语九年级英语上册精品课件U1T2SB.ppt

Sum up how to read the numbers in English What’s the population of …? increase by carry out * （录音） one hundred and fifty yuan two thousand and eight Olympic Games millions of stars since(自从）650 million years ago about one billion (1,000,000,000 ) years old two point two six (2.26) meters tall 1,000,000,000 one billion 1.34 one point three four 100 one hundred 1,000 one thousand 1,000,000 one million 十亿 点 543.7 five hundred and fifty-three point seven 768 seven hundred and sixty-eight 6 004 001 six million, four thousand and one 7 198 764 502 seven billion, one hundred and ninety-eight million, seven hundred and sixty-four thousand, five hundred and two 1.34 one point three four 100 one hundred 1,000 one thousand 1,000,000 one million 1,000,000,000 one billion （录音） 1.34 one point three four 100 one hundred 1,000 one thousand 1,000,000 one million 1,000,000,000 one billion 543 five hundred and forty-three 3 980 three thousand , nine hundred and eighty 98 721 ninety-eight thousand , seven hundred and twenty-one 768 540 seven hundred and sixty-eight thousand , five hundred and forty 1.34 one point three four 100 one hundred 1,000 one thousand 1,000,000 one million 1,000,000,000 one billion 5 555 555 555 five billion, five hundred and fifty-five million, five hundred and fifty-five thousand, five hundred and fifty-five 2 346 780 two million, three hundred and forty-six thousand, seven hundred and eighty 405 000 000 forty hundred and five million There are about 1.3 billion people in China. = China has a population of 1.3 billion. What’s the population of China? A: What’s the population of China? B: It’s about 1.3 billion. Pair work Talk about the chart 6, 500,000,000 What a large population! 6.5 billion The population is increasing by 80 million every year. 80 80 80 Which countries have larger popula-tion, developing countries or develop-ed countries? Developing countries. 2. What has China already done to control the pop