Unit 1 Topic 2 The population in developing countries is growing faster. Section A 课件(共25张PPT)

课件25张PPT。Unit 1 The Changing WorldTopic 2 The population in developing countries is growing faster. have cleaned the clothespastnow表示过去发生的某一动作对现在造成的影响或结果。 e.g. I have just cleaned my clothes. 我刚洗过衣服。 （“洗衣服”是发生在过去的动作，对现在造成的结 果是“衣服干净了”。） e.g. I have just had my breakfast. 我刚吃过早饭。 (对现在的影响是“不饿”。)cleaned the clothesPresent Perfect (II)常与 just, already, yet, never, ever 等副词连用。A: _____ you _____(care) for the old before? B: Yes. We often take part in social activities.I know the Great Wall very well. Because I (be) there before.Have caredhave beenGrammar FocusThe train （leave). It （leave） just now.She is doing her homework. She (not finish) her homework yet. has leftlefthasn’t finishedFill in the blanks with the wordsA: Have you _____ been to France? B: No, I’ve _____ been to any European countries, but Michael has. He has _____ come back from France. He likes it very much. He says he has _____ been to such a beautiful country before. A: Have you seen him _____? B: Yes, I have seen him _____.everneverjustneveryetalreadyeverneverjustalreadyyetPresent Perfect (II)GrammarjustneveralreadyyeteverB: Ann was late for school, too. =A: Jane was late for school today.So was Ann.I really hate going to a place like that. So do I.= I hate going to a place like that, too. So + be/情态动词/助动词+主语 — Lucy dances very well. — _____ A. So Lily is. B. So Lily does. C. So is Lily. D. So does Lily.D— Mr. Zhang is not good at singing . — _____ A. Neither is she. B. So does she. C. So is she. D. Neither does she.A Neither / Nor + be/情态动词/助动词+主语FunctionsI really _____ going to a place like that. ____ do I.hateSo So + be/情态动词/助动词+主语 Neither / Nor + be/情态动词/助动词+主语Read through Sections A-C and fill in the blanks with the correct words.Choose the best answer. 1. — Have you returned the book _____? — Yes, I’ve _____ returned it. A. already, already B. yet, yet C. yet, just D. just, already 2. Jim, Maria _____ just now, but you were not at home. A. called up you B. called you up C. calls up you D. calls you up 3. — I find it very important to learn English well. — _____. A. So I am B. So do I C. So I do D. So am I 4. China is _____ that my mother likes it very much. A. such beautiful a country B. so a beautiful country C. such a country beautiful D. such a beautiful countryCBBDExercises1. She’s already been to Beijing. (改为一般疑问句) _____ she _____ to Beijing _____? 2. I have seen the film. (改为否定句) I _____ _____ the film. 3. Kate will read this book no more. (改为同义句) Kate _____ read this book _____ _____. 4. 孩子们在动物园里迷路了。 The children _____ _____ _____ in the zoo.Has been yethaven’t seenwon’t any morelost their wayExercisesComplete the following sentences.Choose the best answer. 1. — _____ is the population of Russia? — 143 million. A. How much B. How many C. What D. How 2. There are _____ students in our school. A. t ... ...