仁爱九年级上册unit1 topic2 sectionc 学案（无答案）

Unit 1 Topic 2 Section C学习导案一、目标导航【明确目标，把握方向】 1.继续学习现在完成时。 2.学习分数和百分数表达法。 3.继续讨论有关人口增长的问题，树立正确的人口观念。4、本课是九年级第一单元第二话题的第三课时，主活动是1a和3b。1a具体了分析中国人口现状的严峻形势和政府采取的措施及成效。这篇阅读文章较长，在阅读练习的时候，建议教师先解决部分生词，扫清单词障碍，1b主要是培养学生找出段落的主旨句的能力。而1c则是要学生学习找到论据。2可以看作是语法巩固训练，但内容仍然紧扣主题。3a和3b是训练说和写的技能的。通过本篇文章的学习，要求学生掌握一定的阅读策略和写作技巧，能够模仿作者恰当运用主旨句的写作方式，排篇布局。二、【课前预习】I、单词互译与记忆 1)social_ 2)天然的_ 3)worse_ 4)政府_ 5)offer_ 6)supply_ 7)percent_ 8)newborn_ 9)机会_ 10)paragraph_II、读1a找到下列短语 1)so far _ 2)take measures _ 3)one fifth _ 4)living space _ 5)be known as _ 6)have a long way to go _ 7)thanks to _ 9)work well in doing sth_三、【课堂活动】 1. 阅读1a，试着回答短文前面的问题和以下问题。 思考：本篇短文主要论述的是_ A. The worlds population B. Chinas population C. Chinas population problems 2.读1a，完成1b 3. 根据1a的图片和内容猜测1c文中空格的单词。 4. 要点分析： 1).and about one fifth of the people in the world live in China. 世界上大约五分之一的人口居住在中国。 点拨：one fifth - 五分之一 分数表达口诀：分子基数词，分母序数词，分子大于一，分母用复数。 一到二十的序数词first第一f:st second第二seknd third第三:d fourth第四f: fifth第五fif sixth第六 seventh第七 eighth第八eit, ei ninth第九nain twelfth第十二twelf twentieth第二十twentii 试一试，用英语写出下列分数：1/2_ 1/3_ 2/3_ 3/4_ 特殊情况：(a) half_ / a quarter_ 拓展：几分之几的 - 分数 + of+可数名词复数+谓语动词复数 分数+of+不可数名词+谓语动词单数 练习：a. Two fifths of the students _ (be) from Europe. b. Two fifths of water _ (be) from the river. 2). Most cities are more crowded than before, and the traffic is much heavier. 大多数城市比以前更加拥挤，交通堵塞更加严重。 点拨：crowded - 拥挤的 heavier - 更繁重的 思考：句中more _是比较级; much_是比较级3). So far, our government has taken many measures to control the population. 到目前为止，我们的政府已采取许多措施来控制人口了 点拨：so far -到目前为止, 常用于现在完成时时态。 take measures to do sth. “采取措施做某事” 练习：a. So far, I _ (make) several good friends in my school. b. So far, China _ (have) the largest population in the world. 4). It has worked well in controlling Chinas population. 它有效控制了中国的人口。 点拨：work well in (doing) sth.- 在做某事方面很有成效 do well in= work well in =be good at 5) be known as 意为“被称为；以.著称”后接表示某种职业或某物的名词。 如：Jay Chou is known as a rap singer.周杰伦作为一个说唱手而出名。 3、 根据2a的内容，完成2. 4.、根据1a 找出人口过多所带来的问题，小组讨论，完成3a。Read Paragraph 1 and fill in the blanks.(阅读第一段后，完成填空。）Asia has a population of _. Thats to say, almost _ of the people in the world live in Asia now.Read Paragraph 2 and fill in the blanks.(阅读第二段后，完成填空。）About _of the people in the world live in China.What social problems has it caused?Because of the large population,there is _ for each family.Because of the large population,it is difficult for lots of people _.Because of the large population,it is hard for China to supply _ and _ to satisfy peoples daily needs.Because of the large population,most cities are _ than before, and the traffic is much _.Because of the large population,natural environments are becoming _.Read Paragraph 3 and fill in the blanks.(阅读第三段后，完成填空。）_, the one-child policy _controlling Chinas population.四、Choose the best answer.1. _ of the students are boys in our school. A. Two third B. Two threes C. Two thirds D. Second three2. The one-child policy has _ controlling Chinas population. A. been good at B. done well in C. taken care of D. worked well in3. Edison is known _ a great inventor. A. for B. as C. in D. on 4 ._ your help, I made great progress in math. A. Thanks for B. Thanks toC. Thank to D. Thank for五、完成下列练习( )1._ of the teachers are women in our school.A. Two third B. Two threes C. Two thirds D. Second three 2.I have some _ in learning English. (difficult) 3.非洲的平穷孩子缺衣少食。The poor children in Africa _clothes and food. 4.我们将采取措施帮助你的英语。 Well _ help you with your English. 5.他以一个伟大的科学家而著名。 He _ a great scientist. 6.长城在控制沙尘暴上有成效。 The Great Green Wall has _ controlling sandstorms (沙尘暴). 7.幸亏政府的支持，这些孩子才能上大学。 _ the governments efforts, these children can go to college.课文译文：2019年，世界人口大约是7.2亿。现在40多亿人居住在亚洲。那是占世界人口一半多。中国是世界上人口最多的国家，世界上大约五分之一的人居住在中国。由于人口多，每个家庭的居住面积更小了。并且许多人找工作都很困难。.同时，人口多也给整个国家带来了许多其他的困难。例