仁爱英语九上u1 t2 sb

?3 980?three thousand , nine hundred and eighty?98 721?y-eight thousand , seven hundred and twenty-one?768 540?seven hundred and sixty-eight thousand , five hundred and fortyРLook and SayР1.34?one point three four?100 ?one hundred ?1,000 ?one thousand?1,000,000 ?one million?1,000,000,000 ?one billionР5 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 millionРLook and SayРThere are about 1.3 billion people in China.?= China has a population of 1.3 billion.?What’s the population of China?РA: What’s the population of …??B: It’s about …...? It has a population of……РPair work?Talk about the chart