熟记英语300句 中考英语无忧虑，我来为大家讲解一下关于中考必背英语短语人教版?跟着小编一起来看一看吧!
中考必背英语短语人教版
熟记英语300句 中考英语无忧虑
—人教版初中英语高频考点、句型讲练（106）
主题句：The clouds in the sky are made of water.
空中的云彩是由水组成的。
考点：被动结构 be made 的用法
be made 是由助动词be 加make 的过去分词构成的被动结构，后面接不同的介词表达不同的含义。
1. be made of 意为"由……组成（制成）"，介词of 后接"原材料"，从制成品中能直接看出原材料。
The bookcase is made of wood.
这个书橱是由木头做的。
This cup is made of glass.
这个杯子是由玻璃制成的。
2. be made from 意为"由……组成（制成）"，介词from 后接"原材料"，从制成品中不能直接看出原料。
This kind of paper is made from wood.
这种纸是由木头制成的。
The cake is made from flour, butter and eggs.
蛋糕是由面粉、奶油和鸡蛋做的。
3. be made up of意为"由……组成（构成）"，up of 后接"部分或个体"，强调由部分（个体）组成整体，可用于人或物。
A TV set is made up of many different parts.
电视机是由很多不同的部件组装成的。
This group is made up of 7 students.
这个小组是由7名学生组成。
4. be made into 意为"被制成……", into 后接的是"制成品"。
Wood can be made into paper.
木头能造纸（木头能被制成纸）。
Glass is made into all kinds of cups in this factory.
在这个玻璃被加工成各种杯子。
5. be made in 意为"在……被制作"，in 后接"地点"。
My watch is made in Shanghai.
我的手表是上海制造的。
Is this computer made in China?
这台电脑是中国制造的吗？
6. be made by 意为"被……制造"，by 后接"动作执行者"。
This table is made by my father.
这张桌子是由我父亲做的。
I don't know whom this machine is made by.
我不知道这台机器是由谁造的。
小试牛刀：
1. This kind of cap is made special plastic.
A. of B. up of C. into D. from
2. This class is made ________ fifty students.
A. from B. of C. up of D. into
3. Waste can be made something new by recycling.
A. into B. by C. of D. from
4. The kind of wine is made grapes.
A. of B. from C. into D. by
5. Books are made ____ paper while paper is mainly made ____ wood. (2011无锡)
A. of; of B. from; from C. of; from D. from; of
,
