皮皮学，免费搜题
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搜题
【单选题】
X射线信息影像形成的阶段是A.
在大脑判断后
B.
X射线透过受检者后
C.
X射线到达受检者前
D.
X射线照片冲洗之后
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皮皮学刷刷变学霸
举一反三
【单选题】I watched as Dr. Ian Stead, the archaeologist in charge of the excavation, began carefully removing the peat with a clay modelling tool. X-rays taken through the box while it was at the hospital revea...
A.
a vague picture of the bones
B.
exactly what they were looking for
C.
which deposits were clay and which were peat
D.
exactly how the man had died