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1、 课题：Lesson38 The world is a big place 学科 英语 年级 八 学习目标：1、熟练掌握本课的单词和短语并能背下来2、能用英语描述地球及其存在的问题学习过程：课前回顾：1. How many J_ are there in your class?2. Do you think _ is important to learn English well? ( it / this/ that)3. -Where _ you _? (去) -Japan. I _ there last year. (去)4. He _ (出国)since his father moved
2、 to Beijing .5.The population of India is _ than _ of China.6. He has never been to _ (一个岛)before. 7.-Have you _ read the poem ?-Yes , I really enjoy it. A. still B. ever C. yet D. never达成目标1：一词汇训练：1. It is one of _(big, island) in the world.2. I have never been a_.3. Whats the p_ of Canada? 4. I li
3、ke all the fruits e_ bananas.5. He likes to live _(冠词) _. (岛屿)二在课文中找出下列词组1.指出_2. 世界人口_3. 70亿_4.总计，合计_5. 到2025年为止_6.三分之一_7.三分之二_8. 被所覆盖_9. 一年到头_10.地球的表面_达成目标2：一. 听力写1)The earth is a very special planet and it _ a big problem.2)In the year _, the worlds population was _ billion in total.3)By_, the wor
4、ld may have about _ people. 4)By _, the worlds population may _ 9 billion5)We cant live in water, and only about _ of our planet is land.二.读课文回答问题：1. By 2050, the worlds population may be _billion more than that in 2010.2. People cant live everywhere on the earth. (找出同义句)_.3. Deserts and areas with
5、_ and some areas with _ are not easy to live in.4. How much of our planet is land ? _.5. How many problems does our planet face? What are they?_.6.The Pacific Ocean is one of the largest ones. ( )7. It must be treated well for our children and for our childrens children, too.（译汉）_.三Language points.1
6、. In the year 2010, the world population was over 7billion in total._in total= in all 意思是“总计，合计”2. It is increasing very quickly._increase, 动词，意思是“增加；增大；增长；增强；繁殖”increase by 意思是“增加了” increase to 意思是 “增加到”The company has increased the price of its cars._The population of the city increases by 6% ever
7、y year._The number of students in our school_ _ to two thousand.我们学校学生的数量增加到2千。3.And by 2050, the worlds population may reach 9 billion.“by + 时间” 表示 “到为止”I promise Ill give your money back to you _ _.我保证在星期五前把千还给你。We had to get there by evening._4.We cant live in water, and only about one third of o
8、ur planet is land. _ one third of our planet 意思是“我们星球的三分之一” one third 表示分数1/3.也可写成one-third形式。分数表达法：1）基本表达法：分子基，分母序，分子大于1，分母用复数。1/5_ 2/9_ 3/8_ 1/6_ 4/7_2)特殊分数表达法：half 意思是“一半”，可以用来表述1/2；quarter 是名词，意思是“一刻钟” 可用来表示1/4.注意：分数修饰名词时，若名词不可数，只用单数；若名词可数，单复均可。若他们在句子中做主语，谓语动词的单复数取决于名词。_ _ of the food in China _
9、 from the countryside.中国三分之二的人口来自农村。_ left their pictures home.四分之一的学生把照片落在家里了。5. Antarctica is covered with snow and ice all year round. _be covered with 意思是“被所覆盖”The field _ _ _ so many beautiful flowers.田野里被许多美丽的花覆盖.It snowed heavily last night, and the house _ _ _ white snow.巩固练习：I. 根据首字母或汉语提示，完
10、成单词。1. The biggest ocean in the world is theP_ Ocean.2. Almost everyone knows the e_ goes around the sun.3. Deserts may cover three _ (五分之三) of the dry area.4. The population of the world is _ (增长) quickly.5. Hainan is the second-largest _ (岛屿) in China.6. After half a month at sea, we saw _(陆地).II.
11、 用适当的介词填空。1. _ 2025, the world will have 7.8 billion people.2. Milk is good _ children.3. The Nile River is the longest river _Africa.4. Which part _ the world do you live in?5. _ the surface of the earth, there is some dry land.III. 单项选择 1. _ of the students are from the countryside. A. Third fourth B. Three fourths C. Three quarter D. Third quarters2.A quarter of the students_ left their books
