下列哪种疾病不属于日光引起的皮肤病?()
A.日晒伤
B.放射性皮炎
C.多形性日光疹
D.光毒反应
E.光变态反应
参考答案:B
粗碎机排矿口必须每班测量一次。
Many experts have realized that the current medical system needs ________ to meet the needs of our
increasingly aging population. [ ]
A. reforming
B. inspecting
C. forming
D. achieving