摘要： Unit 3 Who is taller? Students Description: Grade Six Students Level: Level Two Teaching Materials: Lesson 1, Unit 3, Book 5,Langman Teaching Objectives: After this period, the students will
Unit 3 Who is taller?
Students Description: Grade Six
Students Level: Level Two
Teaching Materials: Lesson 1, Unit 3, Book 5,Langman
Teaching Objectives: After this period, the students will be able to
1.学生能听，说，读，写big ，small，heavy，light等生词，并了解其含义。
2.能初步掌握形容词比较级的变化形式及句型“物体/人物A+be+形容词的比较级+than+物体/人物B（+be）。”。
Key Points: 1.形容词“big ，small， heavy，light， dear，cheap”的运用。
2.学生能听懂，会说主要句型“物体/人物A+be+形容词的比较级+than+物体/人物B（+be）.”。
Difficult Points: 1. 句型“物体/人物A+be+形容词的比较级+than+物体/人物B（+be）.”的运用。
Teaching Aids: 1.大象，老鼠的图片各一张。
2. 牛津字典一本。
Teaching Steps:
Step One: A. Greetings.(1’)
B. Warming up: Simon says(2’)
o Simon says : touch your nose
o Play basketball
o Simon says : put up your left hand
o Stand up
o Simon says : Attention
老师说到最后一步时，学生的反应是说出“ONE ，TWO”。老师用这个游戏来缓解学生的紧张情绪。
C. Review the words
The teacher does the action or shows the pictures, then the students say it out and spell it.
◇ tall ,short ,strong ,weak ,young, old .
同时，说到weak时，应适当地提醒学生它的同音词week。
Step Two: Presentation (10’)
(1) big –small
T: Look at the picture. What is this?
Ss: It is an elephant.
T: What is it like?
Ss: It is big .
T: Big .B-I-G,big.(板书)
Ss: ……
口诀：大的，大的，big ;big ,big ,big 。
操练：小组。
T: BIG的反义词是什么？
Ss：小的，SMALL。
T: Good .Small.S-M-A-L-L,small.(板书)
Ss: ……
口诀：小的，小的，small ;small ,small ,small。
操练：小组。
(2) heavy –light
T: Look here. This is a dictionary. This is an English book. Which one is heavy, the right one or the left one? ( 老师右手拿起英语书，左手那起字典，比重。)
Ss: The right one.
T: Wonderful! This one is heavy. Follow me, heavy.(板书)
Ss: Heavy.
口诀：重的，重的，heavy ; heavy, heavy, heavy。
操练：boys and one by one 。
注意：heavy的读音 y-/?/。
T: heavy的反义词是……
Ss: Light.
T: Great. Light. L-I-G-H-T, light.(板书)
Ss: ……
口诀：轻的，轻的，light ; light, light, light。
操练：girls and one by one 。
(3) dear –cheap
拿出一个小小的腰包，让学生猜价格，来引出dear 和cheap。
口诀：贵的，贵的，dear ; dear, dear, dear。
操练： one by one.
Step Three: Practice(2’)
(1) Read the whole words again.
(2) Touch game :学生看老师的嘴形说出单词，2位参赛者快速地拍打相应的图片，次数大概是1-2次。
Step Four: Learn the sentences(10’)
T: Just now, we learned the new words: dear and cheap .My bag is dear. His bag is cheap. So, my bag is dearer than his bag.猜猜我的包比他的包要怎么样？
Ss: 贵的，dear。
T: Yes. Good. Dearer. My bag is dearer than his bag.(板书)
操练：小组（铅笔，书）
T:那么这句话的同义句如何说呢？他的包比我的要……?
Ss:便宜。Cheap.
T: Cheaper. We can say :His bag is cheaper than my bag.
操练：pair work(铅笔，书)
Step Five :Practice the sentence(6’)
T: Look at the blackboard. Here are some words .Read the words once.1.2.3.
Ss: tall, short, young, old, strong, weak.
T:他们都是直接在词后加er变为它的比较级。这里er发/?/，这里怎么读呢？
S1:taller,shorter……
T:用这些单词来造一个句子，例如：** is taller than **.(叫同学做示范)还可以怎么样来描述他们呢？
S2：……
Step Six:(1) Check the pair work.
(2) Review the new words and new sentences.
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