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  3. The film used in photography is only a fraction of an inch thick, but is compose

The film used in photography is only a fraction of an inch thick, but is compose

游客2025-02-03  19
问题 The film used in photography is only a fraction of an inch thick, but is composed of many layers.
选项 A、one tenth
B、layer
C、bit
D、group
答案 C
解析 名词辨析fraction：小部分，片断，分数；fraction of：非常少量的；例：I got these shoes at a fraction of the original price. (这些鞋是我以原价中的非常少的钱买的，即：我以低于原价很多的价格买的这些鞋)；而选项A. one tenth 十分之一；B. layer 层，阶层；C. bit 少量，片刻；D. group 群，批；因此C为答案。
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