皮皮学，免费搜题
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搜题
【单选题】
基底冠的厚度至少为( )A.
0.2mm
B.
0.3mm
C.
0.4mm
D.
0.5mm
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】由( )植物体上切取下来的,用于( )的各种接种材料。包括( )、组织、细胞或原生质体等叫做( )
【简答题】萎缩(atrophy)
【单选题】Aftrer surgical operation of bone fracture of the leg which is with a plaster immobilization for a long time, the leg muscle becomes thin and presents as atrophy. The atrophy majorly belongs to ( )
A.
Manlnurtirion atrophy
B.
Disuse atrophy
C.
Endocrine atrophy
D.
Denervation atrophy
E.
Pressure atrophy
【单选题】Lack of meteorological and tidal research means, researchers have to depend on
A.
measuring the output of coconut.
B.
observing the erosion of foreshores.
C.
collecting short interesting accounts concerning climate.
D.
computer model on climate changes.
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