英语单词用法的问题.范围在初中以内的单词.就是近似的单词,例如such as和for example,有什么区别,用于哪些句型.要系统归纳的回答哦.除以上我的举列外,有多少说多少,区别,用法要明确简洁.

...and so on;
just like..

The Race Between Rabbit and Tortoise
Music
Rabbit: Good morning, Tortoise.
Tortoise: Good morning, Rabbit.
Rabbit: What are you doing?
Tortoise: I am running.
Rabbit: You can run?HA!HA!HA!
Tortoise: Let us have a race.
Elephant: OK, I am the judge,Are you ready?
Rabbit& Tortoise: We are ready!
Elephant: One, two,three,go!
Music
Rabbit: I am tired. Let me have a rest.
Elephant: Look! Tortoise!
Rabbit: Where is Tortoise?No! I am late.
Elephant: Tortoise you are the winner. Rabbit is very sad.
Tortoise: Don’t cry. Rabbit. Let’s have a race again.
Elephant: Are you ready?
Rabbit& Tortoise: We are ready!
Elephant: One, two,three,go!
Music
Elephant: Come on Tortoise! Come on Rabbit!
Tortoise: Look!A hill,I can not climb the hill.What shall I do?
Rabbit: Don’t worry,I can help you climb the hill.
Tortoise: Thank you!
Rabbit: You are welcome.
Rabbit: Let’s go!Look!A river I can not cross the river.What shall I do?
Tortoise: Don’t worry.I can help you cross the river.
Rabbit: Thank you!
Tortoise: You are welcome
Elephant: You are both winners!
Music

such as后面可以接多个例子 ,而for example只能接一个例子.

龟兔赛跑
音乐
兔子： 乌龟，早上好！
乌龟： 兔子，早上好！
兔子： 你在干什么？
乌龟： 我在跑步．
兔子： 你会跑步？哈！哈！哈！
乌龟： 那我们比赛一下．
大象： 好啊，我当裁断．你们准备好了吗？
兔子&乌龟： 我们准备好了．
大象： 一，二，三，开始！
音乐
兔子： 我累了．让我休息一会儿．
大象： 你们看呀！乌龟！
兔子： 乌龟在哪？不！我迟了．
大象： 乌龟你赢了！兔子很伤心．
乌龟： 不要哭了．兔子，我们再比一次．
大象： 准备好了吗？
兔子&乌龟： 准备好了．
大象： 一，二，三，开始！
音乐
大象： 乌龟加油！兔子加油！
乌龟： 看！小山，我爬不上去，怎么办？
兔子： 不用担心，我帮你爬上小山．
乌龟： 谢谢！
兔子： 不用客气！
兔子： 我们走，看！河流，我游不过去，怎么办？
乌龟： 不用担心，我帮你游过去．
兔子： 谢谢！
乌龟： 不用客气！
大象： 你们两个都赢了．
音乐 鼓掌
The Race Between Rabbit and Tortoise
Music
Rabbit: Good morning, Tortoise.
Tortoise: Good morning, Rabbit.
Rabbit: What are you doing?
Tortoise: I am running.
Rabbit: You can run?HA!HA!HA!
Tortoise: Let us have a race.
Elephant: OK, I am the judge,Are you ready?
Rabbit& Tortoise: We are ready!
Elephant: One, two,three,go!
Music
Rabbit: I am tired. Let me have a rest.
Elephant: Look! Tortoise!
Rabbit: Where is Tortoise?No! I am late.
Elephant: Tortoise you are the winner. Rabbit is very sad.
Tortoise: Don’t cry. Rabbit. Let’s have a race again.
Elephant: Are you ready?
Rabbit& Tortoise: We are ready!
Elephant: One, two,three,go!
Music
Elephant: Come on Tortoise! Come on Rabbit!
Tortoise: Look!A hill,I can not climb the hill.What shall I do?
Rabbit: Don’t worry,I can help you climb the hill.
Tortoise: Thank you!
Rabbit: You are welcome.
Rabbit: Let’s go!Look!A river I can not cross the river.What shall I do?
Tortoise: Don’t worry.I can help you cross the river.
Rabbit: Thank you!
Tortoise: You are welcome
Elephant: You are both winners!
Music