广东省河源中国教育学会中英文实验学校九年级英语上册《Unit 1 Topic 2 The population in developing countries is growing faster（第3课时）》讲学稿（无答案）（新版）仁爱版.doc

unit 1 topic 2 the population in developing countries is growing faster学习目标与要求： 1.能正确使用与ever, never, just, yet, already等词连用的现在完成时。 2.学会读和写分数。3.通过阅读了解中国人口众多以及因此带来的社会问题和困难，警戒我们要重视人口问题。4.训练学生的阅读能力。第一段：【短课导学】 模块一：自主学习学习内容摘 记step 1 free talk1.watch the video about the “the one-child policy”.2.talk about the “the one-child policy”.step2 read p13-1a and underline the following phrases.(在课本上划出下列内容)1) one fifth五分之一 2) living space居住面积 3)at the same time同时 4)the whole nation整个国家 5)a serious problem一个严峻的问题 6)so far到目前为止 7)has taken many measures to control the population采取措施控制人口（采取措施做某事_） 8) 因而著名is known for=_ 作为.而出名_= _;9)have a long way to go有很长的路要走 step3语言点梳理。（自主学习：要求独立、安静完成）3.1 about one fifth of the people in the world live in china. 世界上大约五分之一的人口生活在中国。 【归纳 】五分之一 写法是“_”, 分数做定语，与所修饰的名词之间加了一个_, of后的people是集体名词，所以live用的是_ (单数复数)。【链接】1) 1/7 one seventh 2) 2/5 two fifths 3) 3/4 _ 4) 8/9 _5) 1/ 4 one fourth / a quarter 6) 1 / 2 one second / a ( one ) half从上面有关分数的英语表达方式中可看出，英文分数表达法：分子用_(基数词序数词)，分母用_(基数词序数词)，（也可以记为子基母序）先读_(分子分母)后读_(分子分母)。当分子大于1时，分母的序数词要变_(单数复数) ，直接在词尾加-s。【拓展】 1) three fifths of the students have passed the exams. 3/5 的学生已经通过了考试。2）one half of the bread has gone bad because of bad weather. 由于糟糕的天气，一半的面包坏了。由上面两句可看出: 分数后面可接可数名词，也可接_，谓语动词的单复数和_保持一致。 【反馈训练】3.1.1 ( ) do you know _ of the students in our class hate math? (2010中考题)a. two three b. two third c. two thirds d. second three3.1.2 ( ) _ of the area _covered by trees. a. two-third; is b. two thirds; is c. two-third; are d. two thirds; are 3.2 so far, our government has taken many measures to control the population. 到目前为止，我们政府已经采取了很多措施 来控制人口的增长。【归纳 】“采取措施做某事”意为_“到目前为止”意为_ ，上面整句话的时态是_.【链接】we have learnt over 2000 words so far. 到目前为止，我们已经学了2000多个单词了。从这可得知，so far常与_ （填时态）连用。3.3 it has worked well in controlling chinas population. 它在控制中国人口方面取得了显著的成效。 【归纳】 “_” 意为“在做某事方面很有成效” 【链接】1）you have to work at them. 你得在它们那方面下工夫。2）i have worked out that math problems. 我已经算出那道数学题。3）dont worry, im working on it . 别担心，我正在处理这件事。归纳：1）“在.方面下工夫”意为_ 2）“算出”意为_3）“处理”意为_【反馈训练】3.3.1( ) li lei _ the math problems all by herself.a. works out b. works c. works in d. works on 第二段：【长课导学】 模块二：交流研讨研讨内容摘 记内容一：熟读本节课的单词及短语。 内容二：小组成员核对模块一中的语言点梳理。 模块三：巩固内化学习任务摘 记任务一：read 1a and match the main idea with each paragraph. finish p13-1b.任务二：read 1a again and complete the table.任务三：complete the following passage with the correct forms of the given words or phrases. 模块四：当堂训练（独立完成）( ) 1. the question is _ difficult than that one. so he still cant answer it.a. much too b. much more c. far less d. far too( ) 2. _ of the area _ covered by trees.a. two-third; is b. two thirds; is c. two-third; are d. two thirds; are( ) 3. the new policy has _ improving our environment.a. been good at b. done well in c. been weak in d. worked well in( ) 4. doing eye exercises _ well in _ our eyesight. a. work; protecting b. works; protect c. works; protecting d. work; protect( ) 5. the worlds population has become one of _ in the world today. a. the greatest problem b. the greatest problems c. the greatest questions d. the greatest question( ) 6. she liked playing football when she was young . - _a. so he was. b. so was he. c. so did he. d. so he did.( ) 7. _ the population of beijing? a. how much is b. whats c. how many is d. what is the number( ) 8. the farmers _ half of the oranges on the farm so far.a. picked b. have picked c. were picking d. pick( ) 9. the temperature in the day-time is higher than _ at night.a. it b. one c. that d. those( ) 10. edison was known _ a great inventor.a. in b. as c. on d. for( ) 11.do you know _ of the students in our class hate math?a. two three b. two third c