外研版初二英语八年级上册Module 9 Population Unit 1课件.ppt

too many _people look at the pictures and fill in the blanks. too much _too much _noise too much _too much _traffic too much _too much _smoke noiseprepare notes reporthugeincrease do you know these words? problembirth billion fifthgrow noise people space traffic work in pairs. look at the picture and talk about it. use the words in the box to help you. 1. whats the population of beijing? a) about 11 million c) about 20 million b) about 13 million 2. whats the population of chongqing? a) about 28 million c) about 36 million b) about 33 million 1. what is tony preparing for a report called “our growing population”? 2. where are they talking? some notes. in beijing. 1. is population increase a big problem in many countries? yes, it is. 2. how many babies are born every minute in the world? over 250. 3. will chinas population grow fast? why? no, it isnt. because families are getting smaller. babies born every minute in the world: babies born every year in the world: population of china: population of the world: over 250 131.4 million about 1.37 billion about 7 billion 1. birth happens at the start / at the end of life. 2. huge means large / small. 3.an increase in population means more / fewer people. 4. hang on a minute means waiting for a short time / a long time. 5. making notes means writing a long passage / a few words. 6. a problem is something easy / difficult. 7. a report is a long piece of writing / a few words. 8. a billion is a hundred / a thousand million. i cant believe it! hang on a minute! great! 8,742 eight thousand, seven hundred and forty-two 2,463,128 two million, four hundred and sixty-three thousand, one hundred and twenty-eight 1,370,000,000 one billion, three hundred and seventy million 2,000,030,000 two billion and thirty thousand 1. there are too many people in the world. 2. the increasing population is the biggest problem in the world. 3. people should not have too many babies. 4. a city should not hold more than one million people. check the statements you agree with. 1. im preparing some notes for a report called “our growing population”. 2. prepare for 表示“为准备” 。 3. e.g. he is preparing a dinner for his 4. friends. 5. 他正在为他的朋友准备晚饭。 2. that causes a lot of problems, such as too much traffic and noise. too many 后面加可数名词，表示 “太 多的”。 too much 后面加不可数名词，表示“ 太多的”。 3. i cant believe it! 表示“简直难以置信”。表示一种惊讶。 4. the population of china is about 1.37 billion. billion(十亿), million (百万), thousand (千 )都是数字单位。当前面有数词时，这些 数字单位不加s，当前面没有数词时，这 些数词后面加s和of。 5. thats almost one fifth of the worlds population, . one fifth 表示“五分之一”，fifth是序 数词。 分数的表达：分子用基数词，分母用 序数词。分子大于1时，分母 + s。 e.g. 2/5: two fifths 6. hang on a minute! 通常用来表示让某人等一下。 e.g. hang on! ill be back in a minute. 朗读时，将每三位数看做一个单位，依次为 billion，million，thousand。每个单位按照 百、十、个位向下读，其中百位到十位之间 要加入 and。 e.g. 729 ：seven hundred and twenty nine. 6,500,431,729：six billion five hundred million four hundred and thirty one thousand seven hundred and twenty nine. 重点短语 make notes prepare for too much one fifth hang on talk about 数字的读法 1. -what are you preparing _ your party? -im thinking about who ill invite. a. at b. for c. with 2. there are _ people in the little room. a. so much b. so many c. very much b b 3. how do you read 131,400,000? _. a. one hundred and thirty one million four hundred thousand b. one hundred and thirty one million four hundred thousand c. one hundred and thirty one million four hundred thousand a 4. - could you give me some advice about learning english? - certainly. why not _ in class? a. make books b. make notes c. making notes 5. _ of the worlds population is in china. a. one five b. one fifths c. one fifth b c 6. - the school bus is coming. - _. ill come in a minute. a. hang on b. on earth c. once or twice 7. population _ is a big problem in the world. a. increase b. describe c. protect a a 1. i think _ of the materials i listened to at the beginning of the exam _ easy. a. three fourths, is b. third four, are c. three fourths, are d. three fourth, are c 2. _ trees have been planted near here, so the air is very fr