资源简介 Unit4 The Wonders of NatureGrammar FocusClass:________ Name:______________ Mark: ______________【Learning Objectives】1.能够总结和梳理大数字的表达法,并理解英文数字表达法的特点;2.复习并巩固形容词和副词的比较级和最高级的用法,总结和积累用于比较事物的不同语言结构;3.能够掌握有关地理之最及其高度、长度、深度、面积等信息的问句和答语,使用形容词和副词的比较级、最高级和大数字描述自然景观。【Learning Procedures(步骤)】Step 1.Lead-in1.Watch a video: Let’s enjoy some natural wonders of the world.Step 2.Presentation形容词副词比较级和最高级规则变化①直接加 -er 或 -est②以不发音的字母e结尾的单词直接加 -r 或 -st③以“辅音字母+y” 结尾,把y变为i,再加 -er 或- est④重读闭音节(末尾只有一个辅音字母),双写辅音字母再加 -er或 -est⑤部分双音节词和多音节词,分别在原级前加more构成比较级和most构成最高级形容词副词比较级和最高级不规则变化原级 比较级 最高级good/wellbad/badlymany/muchlittleoldfar一、形容词和副词的原级1、同级比较:基本结构as ... as ... 意为 “和……一样”① Peter is ____________________ Tom.彼得和汤姆一样高② He works__________________ his sister.他和他姐姐/妹妹一样努力工作二、形容词和副词的比较级1、比较级用于两者(人或物)之间,表示“其中一个比另一个更……”或“较……”,基本结构:比较级+ than。①China is much _______________ than the United States.中国比美国古老得多② We must work much ______________________ than we did before. 我们必须比从前更谨慎地工作强调比较级的比较程度或语气时,形容词比较级前面可以由much, even, far, a little, a bit, a lot等来修饰。2、 “比较级 + than any other + 单数可数名词 + 其他” 表示“比其他任何一个……都……”。该结构可与“the+最高级”相互转换。Qomolangma is higher than any other mountain in the world.=Qomolangma is______________in the world.3、“比较级 + and + 比较级” 表示“越来越……”。① The earth is getting _______________________________. 地球变得越来越暖和。4、“the + 比较级 + …, the + 比较级 + …” 表示“越……,越……”。① _________________ he is, ____________________ he feels. 他越忙越高兴。5、“数词 + times + 比较级 + than” 表示“……是……的几倍”。The elephant weighs ten times more than the panda.三、形容词和副词的最高级最高级用于三者或三者以上(人或物)的比较,表示“最……”,基本结构: the + 最高级 (+ of / in) ... 。1、“the + 序数词 + 最高级 + 单数可数名词 + in …” 表示“是……中的第几……”。The Amazon is ___________________________ river in the world. 亚马逊河是世界上第二长的河流。2、“one of the + 形容词最高级 + 复数名词” 表示“最……之一”。She is ______________________ tennis ____________ in the world. 她是世界上最好的网球运动员之一。大数字的表达方法Write or spell out the numbers.(4b)Complete the passage with the correct forms of the words in the box.(4c)Step 3.Exercises一、用所给词的适当形式填空。1.Lin Tao runs ________(fast) than his classmates. He is the running star in his class.2.The more we communicate with our parents, the _______(good) we'll understand each other.3.Miss Li always has a lot of work to do. For her, nothing is _______________(important) than a proper plan.4.For most of the students, June is always the __________(busy) month in a year.5.Qian Xuesen, father of China's space program, is one of the ____________(great) scientists in the world.二、单项选择( )1.The National Library of China is ______ public library in Asia.A. large B. larger C. largest D. the largest( )2. In a DIY club, the more we practice, ______ we become.A. the worse B. the worst C. the better D. the best( )3. Journey to the West is one of ______ classic novels in China. People like reading it.A. famous B. more famous C. the more famous D. the most famous( )4. It is said that smart technology is making people ______ than before and doing them harm.A.lazy B. lazier C. laziest D. the laziest( )5.The forest is becoming ______ because more trees are planted every year.A. greener and greener B. green and green C. more and more green D. greenestStep 4. Summary Step 5. Homework主备人: 参与教师:教研组长签字: 教务主任签字: 展开更多...... 收起↑ 资源预览