重庆市江津第五中学八年级英语上册 Unit 12 What’s the best radio station（第1课时）导学案（无答案） 人教新目标版.doc

unit 12 whats the best radio station（第1课时）【学习目标】1.归纳总结形容词比较级和最高级的构成并分析其用法特点，通过练习和运用加以巩固。2.学习进行简单的比较，并表达自己的好恶。3.学习进行简单的调查。【重点】：1. 形容词、副词的比较级和最高级的构成及用法。2. 形容词、副词比较级和最高级的规则变化和不规则变化。【难点】：1. 形容词、副词的比较级和最高级的构成及用法。2. 形容词、副词比较级和最高级的规则变化和不规则变化。 预习案自主学习 课前预习1.英汉互译。无线电台电影院靠近 舒适的座位大屏幕良好的服务 服装店质量上乘的服装 在城里2试一试。你能写出下列单词的比较级和最高级吗？good-_thin- _ tall nice-_ easy-_ small-_ outgoing-_ popular-_ 探究案.质疑探究- 质疑解疑、合作探究its the closest to home. 它离家最近。close作形容词，意为“靠近的，接近的”，常与介词to连用，即be close to，意为“离近”，同义词为 near，反义词组为be far from“离 远”。如：is your classroom close to or far from the school library?close还可作动词，意为“关上，关闭”，反义词为open。如：could you please close the windows? its cold. 2. movie palace has the most comfortable seats. 电影宫有最舒适的座椅。 the most comfortable 最舒服的，是comfortable的最高级。形容词的比较等级构成有以下方式:1.一般单音节形容词的比较级多在原形上加-er,最高级加-est. 多音节形容词在原形前加more,最高级加most原级比较级最高级smallsmaller smallestbeautifulmore beautiful most beautifulpopularmore popularmost popular2.辅音字母加y结尾时去y变i再加er ,est eg. friendly friendlier friendliest3. 以不发音的e结尾时加r/st. eg. fine finer finest4. 重读闭音节结尾的词,如末尾是一个辅音字母,双写这个辅音字母,再加-er/est.eg. big bigger biggest5.不规则形容词的比较级与最高级如下:原级比较级最高级goodbetterbestbadworseworstmany/muchmoremostoldolder/elderoldest/oldestlittlelessleast3. we did a survey of our readers and this is what we learned. 我们向读者做了一个调查，这是我们了解到的。 (1)did a survey of 对做调查，也可用made a survey of。e.g.we did/ made a survey of the parents in our district yesterday. 昨天我们对社区的家长做了一个调查。 （2）what we learned 我们了解到的（结果），在此作is的表语从句。用来做表语的句子叫表语从句，引导表语从句的词除what外，还有that, who, whom, when, where, why, how等。表语从句与宾语从句一样，要求用陈述语序。 that is why i left you. 那就是我为什么要离开你的原因。 my question is how to reach there in the shortest time. 我的问题是如何以最短的时间到达那里。.学贵有疑 - 我思考 我收获【学习建议】通过以上学习，请你把尚存的疑问写下来，与同学进一步探究。. 能力提升 2.which goes (slowly),tom or jim?解析答案：more slowly。本题考查副词的比较等级。句中作比较的是tom和jim两个人，用比较级。slowly的比较级是more slowly.3.she works (careful) in her school.解析答案：the most carefully。本题考查副词及其最高级。在本题中，careful用来修饰work，副词修饰动词，因此用carefully。而比较的范围是in her school，所以应该用最高级。4.who goes to bed (late) jim, tom or jack? 解析答案：(the) latest。late既是形容词又是副词，本题中用来修饰go to bed, 是副词。本句是三个人做比较，因此应当用最高级。副词最高级前可以不加the。. 总结反刍形容词最高级用法 (一)用法：当需要对三者或三者以上的人或事物进行比较，表示“最”的含义时，需要用 级。我们在使用最高级时应注意以下几点。1、形容词最高级前通常要加定冠词 ，但如果最高级前有物主代词、名词所有格等修饰时，则不用定冠词。如：(1)monday is my busiest day.星期一是我最心的一天。(2)jim is mikes best friend.吉姆是迈克最好的朋友。2、形容词最高级常与介词in或of引导的短语（说明比较范围）连用。若介词后的名词或代词与句中的主语是同一类人或物时，常用of短语。当强调是在某一范围、场所内进行比较时，常用in短语。如：(1)she is the oldest of these children.她是这些孩子中年龄最大的。(2)lily is the youngest in her class.莉莉在她班里年龄最小。3、形容词最高级前可用序数词进行限定，共同修饰后面的名词，其结构为：the+序数词+形容词最高级+名词。如：the yellow river is the second longest river in china.黄河是中国第二长河。4、有时有最高级修饰的名词前还可以用不定冠词来修饰，但这时不含比较的意思，只是表示“非常，很”如：their performance was a greatest success.他们的演出非常成功。 训 练 案基础训练题 - 把最简单的事做好就叫不简单单项选择1. it seems that american fast food is the most popular _the world.a.of b.in c.at d.about2.whats the _cinema in town?a.best b.better c.good d.well3.rose is _of the two.a.more careful b.the most careful c.the more careful d.most careful4.pedro talks to everyone.she is very_.a.shy b.calm c.outgoing d.serious5.i dont like pizza with onions.he doesnt like it,_.a.also b.too c.as well as d.either6.-_do you clean your room? -i clean it every day.a.how far b.how often c.how long d.how old7.do you like the famous actress _funny glasses?a.wear b.put on c.with d.in 8.how do you get home after school? -_.a.its about 5miles b.i take the subway c.it takes me 20 minutes d.yes,i do.9.they decide on the best place _lunch.a.have b.having c.to have d.has 10.the post office is close _our school.a.at b.between c.by d.to11.my mp3 player is _than hers.a.more expensive b.most expensive c.more cheap d.most cheap12.we hope our life can get _.a.best and best b.better and better c.good and good d.well and well.13.mum,i think im _to get back to school.not really ,my dear.youd better(最好)stay at home for another day or two.a.enough well b.well enough c.enough good d.good enough 综合应用题 挑战高手，我能行！ 一用所给形容词的适当形式完成句子。1. which country is (large), canada, america or china?2. sun theater has (friendly) service of all the movie theaters.3. jane is (outgoing) than any other girl in her class.4. tony is (short) in his school.5. my brothers english is (bad) than mine.二、按要求改写下列句子，每空一词。1. mary is thinner than the other two. (改为同义句)mary is the three.2. i think tom is the youngest student. (改为否定句)i tom the