皮皮学，免费搜题
登录
搜题
【简答题】
设备的功能性贬值通常表现为被评估设备出现了（ ）。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Laser light beamed onto glass fibers casts a characteristic pattern.
A.
projects
B.
molds
C.
cuts
【多选题】血沉测定的影响因素有哪些？（）
A.
温度：室温太低，血沉减慢，反之加快
B.
血沉管的倾斜度：测定时血沉管必须直立，垂直固定好
C.
抗凝剂：抗凝剂与血液的比例力求准确，过少血沉减慢，过多则加速？
D.
血沉管内径大小：一般不小于2毫米，否则减慢
E.
血液放置时间不超过2小时，否则减慢
【单选题】Why do the American doctors think of using laser light to treat heart disease?
A.
Beeause laser light is quite powerful．
B.
Because laser light is penetrating．
C.
Because laser light can destroy the blocking materials in human’s artery．
D.
Because laser light can travel through the human body．
【单选题】What’S the main idea of the passage7
A.
Laser light treatment of heart disease should take the place of the traditional operatlon．
B.
Laser light treatment has been proved better and more effective than the traditional operation．
C.
More advanced technology should be encouraged to try on．
D.
Laser light treatment of heart disease still needs’more research．
相关题目：