or the small dinosaur?
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句
在生活中，我们常常会对身高、年龄进行比较，
型
这个时候就用到了形容词比较级。形容词有原
学
习
级、比较级和最高级三个比较等级（例如：
1
tall—taller—tallest）。比较级通常用于两个人
或事物之间的比较。形容词比较级基本句型：
A+be+形容词比较级+than+B. （A比B更……）
there? B:They’re all so big and tall. A:Hey, this dinosaur isn’t tall. I’m taller
than this one. B:Oh, yes. How tall are you? A:I’m 1.65 metres.
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1.How tall is Zhang Peng? 2.Who is taller, Zhang Peng
Let’s try
The children are in the museum. Listen and circle.
1.The first dinosaur eats ______. A. vegetables B. meat
2.The ______dinosaur is taller. A. first B. second
I’m 1.64 metres.
Wu Yifan is taller than John, but Zhang Peng is taller than Wu Yifan.
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看表格判断。
1.Jenny is older than Lucy. 2.Jack is taller than Tom. 3.Lucy is shorter than Tom. 4.Jack is younger than Jenny.
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Read the story again and finish the dialogue. Little Duck:Old Tree, the sun gets_lo_w__er, but
my shadow gets_l_o_n_ge_r_. Why? Old Tree:That’s easy. Your shadow gets
形容词比较级规则变化
➢一般情况在词尾加er。例如：tall—taller
➢以字母e结尾的形容词在词尾加r。例如：nice—
nicer
➢以重读闭音节结尾，且末尾只有一个辅音字母
的词，先双写这个辅音字母在加er。例如：
big — bigger
➢以辅音字母加y结尾的词，先将y改为i，再加er。
例如：happy—happier
shoes are size 37. A:Really? You look taller than me. B:But I think you are heavier. How heavy
are you? A:I’m 48 kilograms. B:Yes, you’re heavier. I’m 46 kilograms.
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Read and circle. 1.Choose a title for the story.
A.Little Duck’s shadow. B.Old Tree’s shadow. 2.Who is younger? A.The tress. B.The duck. 3.When is the duck’s shadow shorter? A.In the morning. B.In the afternoon.
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How tall are you? Who is taller than you? How old are you? Who is older than you?
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Let’s learn
younger
older taller
shorter
shorter
longer
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看图说一说!
你能找出文中 含有比较级的
句子吗？
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句型 学习
二
如果想知道某人或某物的高度，该怎样询问呢？ “How tall+be+人/物”（……有多高？） 例如：—How tall is he?
—He’s 1.52 metres. —How tall is the tree. —It’s 2 metres.
2.What are they going to buy? A. Hiking clothes. B. Magazines.
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Let’s talk
A:Those shoes in the window are nice! Let’s have a look.
B:What size are your shoes, Mike? A:Size 8. B:Size 8? That’s so small. A:In China I wear size 38 shoes. B:Oh! Your feet are bigger than mine. My
Old Tree says, “ That’s easy, Little Duck. The sun goes down every day and we grow older every day. Your shadow grows longer because you are growing taller. You
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What size are Wu Yifan’s shoes? How heavy is Wu Yifan? How heavy are you? Who is heavier than you? What size are your shoes? Whose shoes are bigger?
How tall are you?
Unit One
Part A Let’s try Let’s talk Let’s learn Do a survey and report
Part B Let’s try Let’s talk Let’s learn Read and write Let’s wrap it up
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Let’s talk
A:Look! That’s the tallest dinosaur in this hall.
B:Yes, it is. How tall is it? A:Maybe 4 metres. B:Wow! It’s taller than both of us together. A:Look! There are more dinosaurs over
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How tall are you? Oh! I’m taller.
I’m 1.61 metres.
You’re older than me, too.
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Do a survey and report
How old are you?
I’m 12 years old.
How tall are you?
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Read and write
Wu Yifan and his family are going on a trip to the countryside. Wu Yifan has a story to tell Robin.
Little Duck is watching the sun go down. It is getting lower and lower, but his shadow is getting longer and longer. “Why is that?” Little Duck asks his friend Old Tree. “You are older and smarter than me. Tell me why is my shadow longer when the sun gets lower? ”
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Let’s learn
smr
heavier
stronger
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变比较级哦！
small big thin strong heavy
smaller bigger thinner stronger heavier
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John:How heavy are you, Jim? Jim:I’m 52 kilograms. John:You’re heavier than me.
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1.How tall is it? 2.How old are you? 3.How heavy are these
oranges? 4.What size are your
shoes?
A.They’re 10 kilograms. B.It’s 5 metres. C.I’m 15. D.My shoes are size 36.
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句 型学 习 一
What size…?问尺码 买鞋子时，服务员会问你的鞋码，一般会说： What size are your shoes? 这时候你可以回答说： My shoes are size+数字.
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句 型学 习 二
What heavy…?问重量 how heavy意为“多重”，用来询问人或物 的重量。 提问：how heavy+be+人/物？ 回答：人/物+be+数字+重量单位.
What is your answer? 3.Please circle the words with “er”. Then
talk about the changes in your friends.