急：be made of ,be made from ,be made by ,be made into 和 be ma

e made of 用……制成（物理变化,看得出原材料） 例如：be made of wood 由……制成
be made from 由……制成（化学变化,看不出原材料） 例如：The wine is made from grapes. 酒是用葡萄酿造的
be made by 由（人）制成 例如： The table was made by the carpenter. 这张桌子是木匠做的.
be made into 被制成 例如：The wood was made into desks. 木头被制成了课桌.
be made up of 由……组成 例如：Our class is made up of 45 students. 我们班由45名学生组成.
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be made from 由…所做成的 （一般看不出原材料）
如：The trunk seems to be made from camphorwood. 这个箱子象樟木做的。
be made of 用…造成 (一般可以看出原材料)
如：A boat must be made of buoyant material。 船一定要用有浮...

转摘
1．be made into意思是“被制成”。如：
①In many parts of the world corn is made into powder.
在世界许多地方玉米被制成粉。
②We can make glass into different kinds of things.
我们可以把玻璃制成各种东西。
2. be made o...

be made of 用……制成的 例：书由纸做成的
be made from 从什么制成的（质发生变化） 例：酒由葡萄酿成的
be made by 用什么方法制的 例：油是靠榨制出来的
be made into 把.....制成什么 例：把铁炼成钢
be made up of 由......组成 ...