电子产品及其组成部分根据产品的结构特征可分为 、 、和零件四种。
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电子产品按产品的使用和制造情况可分为 、 、 和外购件。
The teacher was ____ angry with us ____ say a word before leaving.
A. so; that
B. such; that
C. enough; that
D. too; to
The room is not big ____ for five people ____ live in it.
A. so; that
B. such; that
C. enough; to
D. too; to
We don't have _______ flour. Can you buy some?
A. so
B. many
C. enough