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Unit 1 How tall are you 扩展资料

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增大字体作者：本站收集整理来源：本站收集整理发布时间：2010-03-29 15:46:45

虎鲸在分类学上隶属于哺乳纲、鲸目、领航鲸科、虎鲸属。领航鲸科动物与海豚的亲缘关系较近，也可以看作是体型较大的海豚，其共同特点是嘴小，没有喙，上下颌均具有尖锐而发达的圆锥状牙齿，但数目比较少，上、下颌的每侧都少于15枚，而且不同的种类牙齿的数目也不相同，最少的仅有1枚。头骨的左右不对称，外鼻孔仅有1个。鳍肢上具有5趾。胸骨大。没有锁骨。没有盲肠。它们体型的大小也差异很大，最小的在1米左右，最大的达20米。

About height and age

You often hear people ask such questions as, “ How tall are you?” and “ How old are you?” “ How tall are you?” is a question about people’s height. But “ How old are you?” is about people’s age.

“ How tall are you?” is a simple question, and there is usually a simple answer, “ Sixteen years old,”, “ Twelve years old,” etc.

But if someone is described as young or middle-aged or old, then how old is that person? It is difficult to know because these are words that have different meanings for different people.

At what age does someone become an adult? In some countries, it is when the government says a person is old enough to vote.

There is a saying that old age is always ten years older than yourself. If you are fifteen, then you think that someone 25 is old. If you are seventy, then you probably think someone 80 is old.

选自：《剑桥少儿英语》第三级下册 (2001年出版)

Listen look and say

--- How tall are you, Bob?

--- I don’t know.

--- Let’s see. Oh, you’re 158 centimetres tall.

--- What about you, Ben?

--- I’m 165 centimetres tall.

--- You’re 7 centimetres taller than I.

--- Yes, but you’re still growing. Don’t worry!

You’ll catch up with me soon.

--- I hope so.

选自：《剑桥少儿英语》第三级下册 (2001年出版)