皮皮学，免费搜题
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搜题
【单选题】
大剂量糖皮质激素冲击疗法用于A.
抑制器官抑制急性排斥
B.
湿疹
C.
变态反应性疾病
D.
肾病综合征
E.
急慢性肾上腺皮质功能不全
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】板料冲压具有下列哪些特点：（ ）。生产率高，操作简单，便于实现机械化和自动化；产品的尺寸精度和表面质量较高，互换性好，一般不需进一步加工；可冲制形状复杂的零件，废料少，材料利用率高；冲模制造复杂，成本高；只有在大批量生产的条件下，才能显示出优越性。
A.
① ② ③ ④ ⑤
B.
① ② ③
C.
① ② ③ ④
D.
① ② ③ ⑤
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