题目内容

合影照的布光特别要注意均匀，发光体的面积要大些，灯具距离被摄人物尽可能远些。( )

A. 对
B. 错

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宽30厘米成匹棉制灯芯绒机织物

广角镜头的景深小，视角小，画面的透视感小，影像的畸变小。( )

A. 对
B. 错

表示病例组与对照组两组的暴露率有无统计学的显著差异

A. OR
B. RR
C. 95%CI
D. X2值
E. AR%

In the sentence "Maybe he doesn’t see it himself" in paragraph 2, the pronoun "it" refers to ()

A. being friendly
B. a bit of envy
C. lucky dog
D. your luck