英语八年级上译林牛津版unit1第3课时学案

1、Unit 1 Friends第3课时Grammar预习目标1.根据单词表，预习课本第1112页的单词，能根据音标正确拼读这些单词。2.通过预习初步了解形容词比较级和最高级的用法和构成方法。预学热身通过预习，了解本课时的单词、短语、句型（英汉互译）。1. worse. adj._ 2. worst adj. _3. height n. _ 4. weight n. _5. sec. abbr.(second) _ 6. 7. _n.测试，考查 12. Simon is taller than Sandy._13. Peter is the heaviest of the six students

2、._自主探究，请带着下面这些问题阅读教材。1.你能写出下列形容词的比较级和最高级吗？important slim pretty nice bad2.形容词最高级前应和什么单词连用？教材导读1. height n.高，高度探究点：height的形容词和副词形式是什么？指点迷津 height的形容词和副词形式都是high。His daughter's height is about 1.5 metres.他的女儿约为高。It is the highest mountain here.它是这儿最高的山。He jumps higher than I.他只有一米高，但却能跳得很高。根据汉语提示完

3、成句子His_ is one metre9 but he can jump very_.探究点：weight的动词形式是什么？指点迷津 weight的动词形式是weigh。用weigh的适当形式填空- What is your_?- It's about 55 kilograms.The stone_ two tons.3.swimmer n.游泳者探究点：swimmer的动词形式是什么？指点迷津 swimmer的动词形式是swim。用所给动词的适当形式填空The_ (swim) comes from the USA.4. Comparative and superlative adj

4、ectives形容词的比较级和最高级探究点一：什么时候用形容词的比较级和最高级？如何构成？指点迷津(1)大多数形容词有三个等级：原级，即原形；比较级，表示“较”或“更一些”的意思；最高级，表示“最”的意思。(2)形容词比较级和最高级的构成方式见下表：写出下列形容词的比较级和最高级important_ _ hot_ _busy_ _ popular_ _sad_ _ fine_ _exciting_ _ thin_ _探究点二：形容词的比较级和最高级有何用法？指点迷津 在没有作任何比较时，用形容词原级；将两个人或事物进行比较时用形容词的比较级than;将两个以上的人或事物进行比较时用the形容词

5、的最高级比较范围。He is very tall.他很高。(没有作任何比较用形容词原级tall)He is taller than I.他比我高。(两者进行比较时用形容词的比较级tallerthan)He is the tallest of us three.他是我们三个人中最高的。（两者以上进行比较时用形容词的最高级the tallest比较范围）用所给单词的适当形式填空My room is_(big).My brother is_ (strong) than me.(11)This pair of trousers is_(expensive) in the shop.热身练习A.根据句意

6、、首字母或汉语提示完成句子。1. Tom is the fastest of all the_（游泳者）.2.-I feel even w_ now.- You should go to see the doctor.3. His daughter is about l.3 metres in h_.4. I'm preparing for the coming English t_.5. - What's your son's w_?- It's 50 kilograms.B.用所给单词的适当形式填空。1. Sandy is_ (thin) than any

7、other girl in her class.2. Millie is a_ girl. She always does her homework_.(careful)3. Mary is_ (friend) student in our class.4. My mother is always_ than others. She is_ in my family. (busy)5. What makes you_ (happy) today than yesterday?6. Take more exercise, then you'll be_ (health) than bef

8、ore.C.单项选择。( ) 1. Liuzhou is_ than Shanghai.A. small B. smaller C. smallest( ) 2. Of all the flowers, I think rose is_.A. beautiful B. too beautifulC. more beautiful D. the most beautiful( ) 3. The population problem may be _one of the world today.A. the most B. most difficultC. the greatest D. more

9、 interesting( ) 4. She sang a song I believe I can_ fly in Yangzhou English Classics Reading Contest. I have never heard a_ voice than that before.A. good B. well C. better D. best( ) 5. -I think Science is more interesting than Art.-I disagree. I think Art is_ Science,A. interestinger than B. the i

10、nteresting thanC. interestingest than D. more interesting than( ) 6. - Whose home is_ away from school in our class?- Liu Mei's.A. farther B. far C. the farthest D. near( ) 7. The weather in Guiyang in summer is_ than that in Tongren. They're different.A. cool B. cooler C. hot D. hotter( ) 8

11、. To live a green life, we should try to save_ energy and produce_ pollutionA. more; less B. less; moreC. more; fewer D. most; leastD.根据汉语提示完成句子。1.我想选择吴东做我的朋友。I want _my friend.2.刘翔是世界上最受欢迎的体育明星之一。Liu Xiang is_ sports stars in the world.3.你叔叔比你爸爸胖吗？_ your uncle_ your father?参考答案预学热身1.(bad的比较级)更差，更糟，

12、更坏 2.(bad的最高级)最差，最糟，最坏 3.高，高度4.重量 5.秒 6.竞赛，比赛；竞争 7. test 8. Swimmer 9. more interesting than. 10. the most expensive computer(s) 11. the slowest swimmer 12.西蒙比桑迪高。 13.彼得是六个学生中最重的。 1. more important; most important slimmer; slimmest prettier; prettiest nicer; nicestworse; worst 2.形容词最高级前应和the或形容词性物主代词连用。教材导读1.height; high 2.weight weighs 3. swimmer 4.more important; most importanthotter; hottest busier; busiest mort popular; most popular sadder; saddest finer; finest more exciting; most exciting thinner; thinnest big stronger (11)the most expensive热身练习A. 1. swimmers 2. Worse 3. height 4. tes