肺癌普查中最基本、最常用的方法（）。
A.X线正侧位胸片
B.CT扫描
C.核素
D.MRI检查
E.经皮胸腔穿刺肺活检
参考答案：A
We think white looks good _____ you, but people with black skins don't look good ______ white. [ ]
A. on, on
B. in, in
C. on, in
D. in, on
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