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Unit1 Topic2 SectionC 精品学案学习目标：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，并引导学生树立正确的人口观念。重点：如何通过语境和构词法，猜测生词、短语大意，并感知其用法。如何在阅读过程中找出文章主题和各个段落的Topic sentence。难点：在口头报告和书面写作时，能合理使用topic sentence和supporting details组织文章结构。课前预习：1.阅读1a，1c和Part2找出下列短语并翻译，背熟：social________natural_______worse_________government_________offer______supply_________paragraph___________opportunity_________newborn________percent__________ one fifth of __________because of/thanks to______________take measures to do sth.____________ work well in (doing) sth.________________living space_________. be known as…__________ daily needs.___________natural environments_____________ control the population______________newborn baby____________ social problem_____________.2. 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 world’s population B. China’s population C. China’s population problems短文的每一自然段的主题句分别是(完成1b)1).__________________________2). __________________________ 3).___________________________ 学习指导：1). What social problem do you think China’s large population has caused?点拨：cause 带来，引起，导致。同义词组：bring about练习：a. Air pollution can cause many diseases. 译：________________________ b. The bad weather is causing trouble for many farmers.译：___________点拨：do you think在句中做插入语 第 1 页
2).…and about one fifth of the people in the world live in China. 译：__________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。试一试：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 …练习：a. Two fifths of the students ________ (be) from Europe. 译：____________ b. Two fifths of water ________ (be) from the river. 译：__________________链接：小数表达用_____________ 百分数表达用______________ 3). Most cities are more crowded than before, and the traffic is much heavier. 译：_____________点拨：crowded拥挤的； heavier更繁重的。 思考：句中more __________比较级; much___________比较级练习：近年来过多的人口造成了拥挤的城市和繁重的交通。译：________________4). So far, our government has taken many measures to control the population.译：_________________________________________________________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.5). It has worked well in controlling China’s population. 译：________________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…练习：a. Reciting texts every works well in learning English. 译： ____________ b.每天跑步对预防(prevent)流感很有成效。译：_______________________6) 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。Teaching procedure第 2 页
Ⅰ.预习展示1.Get the students to finish Task1 in Pre-Learnig part and assess.2.Get them to translate the key sentence in Pre-Learnig part and assess.Ⅱ.合作学习展示：1.Get the students to read 1a aloud in groups and act it out, dealing with the language pointsin the passage.2.Finish 1c by themselves after reading 1a.3.Finish2 in groups then ask some students to do it and check the answers.Ⅲ.巩固落实:1.Finish3a:Work in groups and search for the information about the followingquestions. Then share your idea with your group members. 2.Finish 3b: Write a short passage of three paragraphs based on 3a._____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Ⅳ.当堂检测：1）Choose the best answer.1. _____ of the students are boys in our school.A. Two third B. Two threes C. Two thirdsD. Second three2. The one-child policy has _____ controlling China’s 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 to C. Thank toD. Thank for2）根据句意及中文提示，写出单词：1.He ________(提供) some useful advice.2.It’s _________(自然的) to worry about your children.第 3 页
3.The ____________(政府)has considered the environmental problems already.4.Team sports help to develop a child’s __________(社交的) skill.5.The weather was bad yesterday, but today it is even __________(更糟的)。3）根据句意及中文提示，完成句子。(每空一词)1.因为他来晚了，所以我们错过了火车。__________ ______ his being late, we missed the train.2.我们必须采取措施阻止青少年吸烟。We must _____ ______ ____stop teenagers from smoking.3.李医生作为一名医生而出名。Mr.Li _______ _________ ________ a doctor.4.这个办法在提高他的英语口语方面很有效。 This method has ________ ________ _______ improving his spoken English.5.到目前为止，我学会了2019多个单词。 _______ _______,I ________ ________ more than 2019 words.第 4 页
2).…and about one fifth of the people in the world live in China. 译：__________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。试一试：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 …练习：a. Two fifths of the students ________ (be) from Europe. 译：____________ b. Two fifths of water ________ (be) from the river. 译：__________________链接：小数表达用_____________ 百分数表达用______________ 3). Most cities are more crowded than before, and the traffic is much heavier. 译：_____________点拨：crowded拥挤的； heavier更繁重的。 思考：句中more __________比较级; much___________比较级练习：近年来过多的人口造成了拥挤的城市和繁重的交通。译：________________4). So far, our government has taken many measures to control the population.译：_________________________________________________________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.5). It has worked well in controlling China’s population. 译：________________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…练习：a. Reciting texts every works well in learning English. 译： ____________ b.每天跑步对预防(prevent)流感很有成效。译：_______________________6) 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。Teaching procedure第 2 页
Ⅰ.预习展示1.Get the students to finish Task1 in Pre-Learnig part and assess.2.Get them to translate the key sentence in Pre-Learnig part and assess.Ⅱ.合作学习展示：1.Get the students to read 1a aloud in groups and act it out, dealing with the language pointsin the passage.2.Finish 1c by themselves after reading 1a.3.Finish2 in groups then ask some students to do it and check the answers.Ⅲ.巩固落实:1.Finish3a:Work in groups and search for the information about the followingquestions. Then share your idea with your group members. 2.Finish 3b: Write a short passage of three paragraphs based on 3a._____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Ⅳ.当堂检测：1）Choose the best answer.1. _____ of the students are boys in our school.A. Two third B. Two threes C. Two thirdsD. Second three2. The one-child policy has _____ controlling China’s 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 to C. Thank toD. Thank for2）根据句意及中文提示，写出单词：1.He ________(提供) some useful advice.2.It’s _________(自然的) to worry about your children.第 3 页
3.The ____________(政府)has considered the environmental problems already.4.Team sports help to develop a child’s __________(社交的) skill.5.The weather was bad yesterday, but today it is even __________(更糟的)。3）根据句意及中文提示，完成句子。(每空一词)1.因为他来晚了，所以我们错过了火车。__________ ______ his being late, we missed the train.2.我们必须采取措施阻止青少年吸烟。We must _____ ______ ____stop teenagers from smoking.3.李医生作为一名医生而出名。Mr.Li _______ _________ ________ a doctor.4.这个办法在提高他的英语口语方面很有效。 This method has ________ ________ _______ improving his spoken English.5.到目前为止，我学会了2019多个单词。 _______ _______,I ________ ________ more than 2019 words.第 4 页
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