小组合作学习教学设计.doc

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1、Book 11 Unit2 The natural world (Part B1的教学设计) 教学目标： 1学习形容词的最高级及其用法。2能用形容词的最高级来描述一些中国之最、世界之最。3教育学生胸怀祖国, 放眼世界，学会热爱和保护大自然.教学重点: What is the highest mountain in the world? Mount Qomolangma is the highest mountain in the world. What is the largest city in China? Chongqing is the largest city in China.Wh

2、at is the highest city in China? Lhasa is the highest city in China.教学难点:1 能用形容词最高级来描述一些“ 之最”2 形容词最高级的前面一定要加the.课前准备：1. PPT 2. 导学案导学案一、听录音，学会读以下单词，明天早读课检查。Mount Qomolangma 珠穆朗玛峰 contest 比赛 竞赛 Lhasa 拉萨 winner 获胜者二、把下面的单词改为比较级： long short large nice heavy busy big thin 三、明天我们将学习形容词最高级的用法，仔细观察下列单词并归纳最高

3、级的构成规律。1. long -longest short-shortest 规律：一般情况下，在_ 词后面直接加_.2. large-largest nice-nicest规律：以不发音的_结尾的单音词，只加_3. heavy-heaviest busy-busiest 规律：如果形容词是辅音+y结尾，要把_ 变成_ 再加_.4. big-biggest thin-thinnest规律：以一个辅音字母结尾的闭音节单词，双写最后的辅音字母再加_.最后我发现：形容词最高级的构成规律跟比较级类似，只不过比较级是加 , 而最高级是加 .四、 我来显身手：根据上面的规律，写出以下形容词的最高级。hig

4、h ( ) lazy ( ) fast ( ) fat ( ) slow ( ) hot ( ) weak ( ) strong ( ) happy( )五、了解班里的同学之最（最高的同学、最快的同学）及上网查找一些世界之最、中国之最、深圳之最和动物之最，为明天的小组讨论收集资料。 教学过程一、 Warm up：A拿出导学案，小组成员互相交流形容词最高级的构成规律。然后每个小组选一名代表汇报，老师总结。B根据规律同学之间互相批改导学案的第四点。二、Presentation：AInvite 3 students to come to the front and say Student A is

5、taller than student B , student C is taller than student B, so student C is the tallest. Elicit the superlative of tall. Then ask a line of Ss to stand up and consolidate the Ss understanding of the superlatives (tallest, thinnest, strongest ) 用三个学生的身高来引出形容词的最高级，并用其它几个例子来介绍一些最高级。B. Explain to the st

6、udents that when comparing two people or things, comparatives are used but when comparing three or more things, superlatives are to be used. （告诉学生比较级通常用于两者之间的比较，最高级通常用于三者或三者以上的比较） C. Ask the students to compare the sentences of each group, let them find the rule:We must add “the” before the superlat

7、ives of adjectives in the sentences.1. Tom is the tallest boy in our class. ( )Tom is tallest boy in our class. ( )2Elephants are the heaviest animals on land. ( ) Elephants are heaviest animals on land. ( )3. Whats the highest mountain in the world? ( ) Whats highest mountain in the world? ( ) (要求每

8、组学生仔细观察上面3组句子，看哪个小组能最快找出规律：在句子中，形容词最高级的前面一定要加the. )D Play the flash, listen to the dialogue of B1 twice. Open the books, ask the students to underline the superlatives and read them. Then, discuss the questions in groups according B1. After that, ask some group members to answer, write the answers o

9、n the board and read them. Whats the highest mountain in the world? Whats the longest river in China? Whats the largest city in China? Whats the highest city in China? (听B1的内容两遍，叫同学们划出课本中的最高级，并读会这些单词，然后小组讨论并回答上面的问题。把答案板书在黑板上，读的时候要注意形容词最高级的读音。) E Role play the dialogue in groups. Then ask one or two

10、groups to come to the front to show. (组长分配好角色，小组内先分角色朗读对话内容，然后叫个别小组上台表演)三、Practice：Group work: Show some topics on the board ( 世界之最、中国之最、深圳之最、动物之最、同学之最)，each group should choose one topic and discuss it in group, write some sentences about the topic, they must use the superlatives of adjectives in t

11、he sentences. Then each group leader will come to the front and read out the sentences. At last, the group leader will ask other group members to answer hisher some questions about the topic. ( 小组活动：老师出示几个主题，每个小组任选一个主题，先在小组内讨论交流，并把结果记录下来，必须用上形容词的最高级。然后每个小组长上台汇报小组讨论的结果。最后小组长可以向其他组成员提问有关自己小组主题的问题，检查他们

12、是否认真倾听了他的汇报。)四、Homework: 1. 读B1 的对话3遍，并试着把它背下来。 2. 用形容词的最高级写出一些中国之最、世界之最、深圳之最或动物之最。最少要6句。 3完成B2 的导学案。 板书： Unit 2 The natural world (B1) The Changjiang River is the longest river in China. Lhasa is the highest city in China. Chongqing is the largest city in China. Mount Qomolongma is the highest mountain in the world.4