Unit 7 第3课时 Section A(Grammar Focus～4c)——单元语法精讲精练（作业课件）-【四清导航】2023-2024学年八年级英语下册（人教版 辽宁专用）

第三课时　[Unit 7　Section A(Grammar Focus～4c)] ——单元语法精讲精练 英语 八年级下册 人教版 四清导航 语法精讲 形容词和副词的比较级和最高级 1．形容词和副词的比较级的用法 (1)“主语＋谓语动词＋比较级＋than＋比较对象”表示“某人或物比比较对象如何”。如： Mary is more outgoing than Cindy.玛丽比辛迪更外向。 (2)“主语＋谓语动词＋比较级＋than＋any other＋单数名词”用于指“一个人或物比同一范围内的其他任何一个都……”。如： Mark is younger than any other student in his class.马克比他班上其他任何学生的年龄都小。 (3)“主语＋谓语动词＋the＋比较级＋of the two＋...”表示“主语是两者中较……的那个”，是特指的情况。如： Jack is the thinner of the two brothers.杰克是兄弟两人中较瘦的那个。 (4)“the＋比较级，the＋比较级”意为“越……，就越……”，表示两个过程同时增减。如： The earlier you start, the sooner you will be back.你出发得越早，回来得就越早。 (5)“比较级＋and＋比较级”表示“越来越……”。如： The computer is getting cheaper and cheaper.电脑变得越来越便宜了。 【注意】(1)在上下文意思明确的情况下，也可以单独使用比较级。如： This coat is too small.Do you have a bigger one？这件上衣太小了。你们有大一点的吗？ (2)比较级前可用far，even，a lot，a little，a bit，much等修饰，表示程度进一步加深。如： You know even less about it than I do.你对此事的了解甚至不如我。 2．形容词与副词的最高级的用法 (1)“主语＋谓语动词(＋the)＋最高级＋in/of...”表示“……在某一范围内或某类人或物中最……”。如： Jack is the richest of these people.杰克是这群人中最富有的。 (2)“主语＋谓语动词＋one of the＋形容词最高级＋复数名词＋in/of...”表示“……是某一范围内或某类人或物中最……的之一”。如： Hangzhou is one of the most beautiful cities in our country.杭州是我们国家最漂亮的城市之一。 (3)“主语＋谓语动词＋the＋序数词(first除外)＋形容词最高级＋名词＋in/of...”表示“……是某一范围内或某类人或物中第……的”。如： The Atlantic is the second biggest ocean in the world.大西洋是世界第二大洋。 (4)“疑问词＋谓语动词(＋the)＋最高级，A，B or C？”是最高级的选择疑问句，表示“在A、B、C中，……最……？”。如： Who sings best, Jim, Tom or Tim？谁唱得最好，吉姆、汤姆还是蒂姆？ 【注意】(1)副词最高级前的the可以省略。如： Jim jumps (the) highest.吉姆跳得最高。 (2)最高级前有名词所有格或物主代词时，不用the。如： She is my best friend.她是我最好的朋友。 (3)表示“非常”的most前不用the。如： He is a most interesting man.他是个很有趣的人。 语法精练 一、用括号内所给单词的适当形式填空 1．The weather in Fujian is __________ (warm) than that in Jilin in winter. 2．We're happy to see our city is developing ___________ (quickly) than before. 3．Miss Zhang is the _____________ (popular) teacher of all. 4．This mountain is as ________ (high) as that one. 5．Does India have the second _________ (large) population in the world? warmer more quickly most popular high largest 6．The scientists found one of the _________ (tall) trees in the world. 7．Who can run ________ (fast) in your class? 8．The Yangtze River is one of the __________ (long) rivers in the world. 9．After a night's rain, the mountains are much greener and the air is much __________ (fresh). 10．—Are you going to ride your bike to the beach? —Yes. It's the _________________ (convenient) of all. tallest fastest longest fresher most convenient 二、按要求完成下列句子 11．Toronto is a large city in Canada.(改为最高级) Toronto is ____ _______ ______ in Canada. 12．Lake Baikal is the deepest lake in the world.(改为同义句) Lake Baikal is __________ than ____ _____ lake in the world. 13．My hometown is bigger than Xuzhou.(改为一般疑问句) _____ your hometown _________ than Xuzhou? 14．Betty is ten years old.David is twelve years old.(合并为一句) David is two years ______ ______ Betty. 15．The Pacific Ocean is the biggest ocean in the world.(改为同义句) No ocean in the world is ___ _____ ___ the Pacific Ocean. the largest city deeper any other Is bigger older than as big as 三、句子翻译 根据所给中文完成句子翻译。 16．5G将使我们的生活越来越好。 5G will make our life ___________________． 17．乡下的空气比城市的清新得多。 The air in the country is _________________________ than that in the city. 18．孩子们越早学会独立，对他们的未来就越好。 ___________ kids learn to be independent，the better it is for their future. better and better much/a lot fresher/cleaner The earlier 19．书读得越多，我们得到的就越多。 The more books we read, the more we will/can get． 20．熊猫是世界上最受欢迎的动物之一。 Pandas are one of the most popular animals in/around/all over the world． 课时精练 用方框中所给单词的适当形式填空 1．I want to ask you something on today's Great Wall _______． 2．Don't give up. We should try our best ___________ our dreams. 3．There are seven continents (洲) and four ________ in the world. 4．Human beings can sometimes be stronger than the forces of ________． 5．I'm excited to see the great changes in my hometown—the roads are ______ and the buildings are taller. tour to achieve oceans nature wider $$