题目内容

X线照片影像的5大要素不包括

A. 密度
B. 对比度
C. 宽容度
D. 锐利度
E. 颗粒度

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32（）

A. time
B. energy
C. interests
D. fun

x线摄影放大率在数值上等于

A. 肢体长度与影像长度之比
B. 肢-片距与焦-肢距之比
C. 焦-片距与焦-肢距之比
D. 焦-片距与肢-片距之比
E. 焦-肢距与肢-片距之比

What do you guess Aristotle was

A man who eared much for friendship.
B. A wise man.
C. A philosopher.

Which chapter of the book is likely to contain information on how far birds can fly

A. Chapter Ⅴ
B. Chapter Ⅲ
Chapter Ⅷ