be made of, be made from 由…制成
这个桌子是用木材制成的。
错: This table is made from wood.
正: This table is made of wood.
考点: be made of 和 be made from都有“由.组成，用..制成的”意思，如果在制成品中仍能看得出原材料，要用be made of; 如果在制成品中已看不出原材料，则用be made from.
例如:
1. The tower is made of stone.
这座塔是用石头砌成。
2. Paper is made from wood.
纸是由木头制成的。
例题：
The bridge is made _____ wood。
A in B ofC from
翻译：这座桥是木头建的。
正确答案：B
考点：考察对be made of 和 be made from的区别。
We all know that the paper ____ _____ _____ wood。
A are made ofB is made of
C is made from D is made in
翻译：我们都知道纸是木头做的。
考点：考察对 be made of 与 be made from 的区别，另外 paper，为不可数名词，故正确答案选择 C
拓展：与 make 有关的其他词组
1. be made in + 地点
2. be made into 把…制成
3. be made up of 由…组成
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