九年级英语上册Unit1TheChangingWorldTopic2ThepopulationindevelopingcountriesisgrowingfasterSectionB课件（新版）仁爱版

1、please read the numbers,please.five hundred and forty-three point seven 1 562one thousand, five hundred and sixty-two6 004 001six million, four thousand and one7 198 764 502seven billion, one hundred and ninety-eight million, seven hundred and sixty-four thousand, five hundred and two一一单词互译与记忆单词互译与记

2、忆 (1).population n._ (2).(使)增加，增_ (3). billion num. _ (4).reach v._ (5)政策.方针_ (6) 幸运地 _ 二二读读1a找到下列短语找到下列短语 1)一份有关人口的报告_ 2).68亿人口_ 3).增加了_ 4).美国的人口_ 5).发展中国家_ 6).发达国家_ 7).另外_ 8).人口问题_ 9).执行_人口，人数人口，人数十亿十亿实现，到达实现，到达increase v.policy n.luckily adv.a report on populationa population of 6.8 billionincrea

3、se bydeveloping countriesdeveloped countriesWhats morethe population problemcarry out -China has a population of 1.3 billion.-Whats the population of China?=Its 1.3billion.The population in developing countries is larger than that in developed countries.China has the largest population. and India is

4、 second with 1.1 billion.billion80millon80million80millionThe population is increasing by 80 million every year.billionincrease by + 数字数字 / 倍数倍数 / 百分数百分数 增加了增加了increase to +数字数字 增加到增加到e.g. The price of the house has increased by three times.e.g. The price of the house has increased to 500 000. Lucki

5、ly,China has already carried out the one-child policy to control the population. The population problem has become more serious in developing countries. What should we do?实施，执行实施，执行Wow, what a large population!1b Listen to 1a and match the information.1. the world 2. China 3. India 4. the USAA. 309

6、million B. 6.8 billion C. 1.3 billion D. 1.1 billion1c Read 1a and fill in the blanks. The world has a population of 6.8 billion and it is increasing by _ every year. _ has the largest population. It has already reached _ and India is _ with 1.1 billion. The population in developing countries is _ a

7、nd is growing _ than that in developed countries. Luckily, our country has carried out the _ policy to control the population.80 millionChina1.3 billionsecondlargerfasterone-childChoose the best answer.1. _ is the population of Russia? 143 million. A. How much B. How many C. What D. How2. There are

8、_ students in our school. A. three thousands B. three thousands of C. three thousand of D. three thousand 3. The population of China is _ than that of Japan. A. larger B. more C. fewer D. lessCDAChoose the best answer.4.The weather in the north is colder than _ in the south in China? A. this B. that

9、 C. it D. /5.The price of the book has increased _ twice. BA1. Read numbers in English.2. Talk about population problems.1. Some words: population, billion, increase, reach, luckily, policy 2. Some phrases: increase by, developing countries, developed countries, carry out, the one-child policy3. Some sentences: Whats the population of China? What a large population! The world has a populati