Unit 1 Topic 2 Section B 课件 2023-2024学年仁爱科普版英语九年级上册

e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C Unit 1 The Changing World Topic 2 The population in developing countries is growing faster. Section B e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C 行业PPT模板http://www.1ppt.com/hangye/ Teaching aims 1.Master the following words, phrases and sentences: Words: population, billion, increase, reach, luckily, policy, Russia, measure Phrases: increase by, developing countries, developed countries, carry out, the one-child policy Sentences:①What a large population! ②The world has a population of 6.8 billion. ③ So it is. 2. Read numbers in English. 3. Talk about population problems. e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6075D6FE8CF171D7711FA86EFE11942C409B967ED54C1D180091DB33AC72553D6E2A29D406B811657005C Revision 1. So + be/情态动词/助动词+主语 (表肯定) (表示上文提到的肯定情况也同样适合另外一个人或物, 前后主语不是同一个人或物) Neither / Nor + be/情态动词/助动词+主语(表否定) 注:neither/nor句型中没有not出现。 (表示上文提到的否定情况也同样适合另外一个人或物) ▲ So +主语+ be/情态动词/助动词 (表示对前面事实的肯定,前后主语是同一个人或物,意思是“的确如此”) 2. already意思是“已经”,通常用于肯定句中 。 yet可用于否定句,“还” ;也可以用于疑问句,译为“已经” just只用于肯定句意思是“刚才” never用于否定句译为“从不” ever用于疑问句译为“曾经” 完成时态常见副词 just never ever already yet before 含义 刚刚 从不 曾经 已经 还(没) 以前 位置 句中 句中 句中 句中/末 句末 句末 句式 肯定句 否定句 一般疑问句 肯定句 否定句/一般疑问句 肯定句 e7d195523061f1c093d753f9ae026c02ea2377d8e563bb0a6AD317B17F88BFF3CFA045DFD56CE85E8FE70343E6872691953A13787B687769404B6FACEB7BEB2E9466EABD072654A937E8A0C33F7F4B894FF05B8F805ADDCA196A1BDA8ED6