Unit1 Topic2 SectionB 精品学案学习目标：1.掌握本课的重点词汇和短语，复习形容词比较级的用法，继续学习数字表达。2.能听懂高位数字，并做出正确判断。3. 能通过整合对话内容，提升综合语言运用能力。重点，难点：能更快更好的听懂和朗读高位数字。能正确使用数字表达各国的人口现状。课前预习：1.阅读1a,找出下列单词和短语，翻译，背熟：Population________billion__________increase________reach_______Russia,_________Luckily_________ policy_______ measure _________ developed/ developingcountries____________have a population of…______________ increase by__________ carry out____________the one-child policy_______________.2.找出下列句子并理解翻译：(1) It says the world has a population of 6.8 billion.(2) It is increasing by 80 million every year.(3) Which country has the largest population?(4) —What’s the population of the USA.?—It’s…(5) So it is.(6) The population problem is more serious in developing countries.3.独自完成1c.4.阅读Part2，尝试学习数据的读法与写法。学习指导：1). And it is increasing by 80 million every year. 译：__________________________点拨：increase by -增加了… increase by+ 倍数或百分数。第 1 页


拓展：increase to 增加到… increase to +具体的增长后的数字。练习：a. Our pay has already increased by three times. 译：______________________b. Our rice output has increased to 6 million tons this year. 译：____________2). It shows that the population in developing countries is larger than that indeveloped countries, doesn’t it? 译：____________________________思考：你能解释一下句中的两个that吗？(1)______________________________ (2) ___________ ____________3).---The population problem is more serious in developing countries. ---So it is. 译：____________________________________________点拨：So it is.半倒装句，含义是：A的确如此。 结构是：so + 主语 + be / 助动词 / 情态动词练习：a.--I think Tom can work out the problem. --So he can. 译：__________________b.--- It’s a fine day today. ---____________________. (的确是这样)c.--- They have just finished their homework. --- _____________. (的确是这样) 注意：完全倒装句和半倒装句是重要考点，一定要观察，理解并会使用！练习：--They can swim well.-- So ____ ____. --John swims well. --So ____ ____ .比较翻译--Jane is a cute girl. --So is Maria. ____________________________ --Jane is a cute girl. --So she is. ________________________________4). carry out “实施，执行”，后常接表示“计划，政策”含义的名词。如：He decided to carry out his plan. 译：__________________________________Teaching procedureⅠ.预习展示：1.Get the students to read the words in Pre-learning Part 1 and translate the wordsand phrases into Chinese.2.Get the students to translate the sentences in Pre-Learning Part2.3.Finish 1c after group work.(Read 1a and fill in the blanks)(Evaluating).第 2 页


Ⅱ.合作学习展示：1.Read 1a aloud in groups and act it out.2.Finish Part2.Listen and read the numbers, paying special attention to theintonation. Then read the other numbers with your partner.Ⅲ.巩固落实: Finish Part3: Work in groups and discuss the population of the world. The followingchart and questions may help you. Then read and write down the following numbers:119____________________________________456,103______________________________________________________________4,123 _________________________________________________________3,003 ____________________________________ 13亿___________________________1,123,123,123___________________________________________________45,666______________________________________555,768______________________________________2,611,128,519____________________________________________________Ⅳ.当堂检测：1.单项选择：Choose the best answer.1). — ______ is the population of Russia?— 143 million. A. How much B. How many C. What D. How2). There are ______ students in our school.A. three thousands B. three thousands of C. three thousand of D. three thousand 3). — Jenny always helps others. — ______.A. So is she B. So she is C. So does she D. So she does4). The population of China is ______ than that of Japan.A. larger B. more C. fewer D. less2.根据句意及中文提示，完成句子：1) 你们国家的人口是多少？_______ _______ _______ of your country?2)印度有11亿万人口。India has _______ __________ _____ 1.1billion.3)我们需要按时执行我们的计划。第 3 页


We need to ______ _______ our plan on time.4)这个城市的人口每年增长2万。The population of this city ________ ____ 20 thousand every year.5)—赵军的英语学得很好。---Zhao Jun learns English well. --的确如此 -- _____ ______ _______.第 4 页