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【单选题】
关于变形缝,下列不正确的说法是( )
A.
伸缩缝应从基础顶面以上将缝两侧结构构件完全分开
B.
沉降缝应从基础底面以上将缝两侧结构构件完全分开
C.
伸缩缝可兼作沉降缝
D.
地震区的伸缩缝和沉降缝均应符合防震缝的要求
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举一反三
【单选题】常用于有机合成中保护醛基的反应是
A.
醛和亚硫酸氢钠加成
B.
醛和苯肼加成
C.
醛和氢氰酸加成
D.
醛和醇加成
【单选题】What structure is indicated in the circle below?
A.
islets of langerhan
B.
renal corpuscle
C.
seminiferous tubule
D.
thymic corpuscle
【多选题】What conditions must be satisfied when the structure is in equilibrium?
A.
The reactions must equal zero.
B.
The sum of the horizontal components must equal zero.
C.
The sum of the vertical components must equal zero.
D.
The sum of the moments must equal zero.
【多选题】羚羊角的鉴别特征有
A.
具“通天眼”
B.
具“羚羊塞”
C.
全角呈半透明
D.
髓管呈长管形,基本角质细胞为长菱形
E.
色素颗粒较少
【多选题】羚羊角的鉴别特征有()
A.
具“通天眼”
B.
具“羚羊塞”
C.
外表光滑,透明或半透明
D.
磨片镜检髓管呈长管形,内有梯状排列或疏松排列的髓细胞
【单选题】What is STRUCTURE in Fiction?
A.
“The time, place, and environment of a story”… “the context in which the events take place and the plot evolves.”
B.
“The patterns in a story, the shape that a story as a whole possesses.”
C.
The effort in writing to present the world as it actually is, with a focus on “concern for social and moral problems”
【判断题】( )“清洁生产是指食品行业的企业必须注意生产环节的清洁工作,以保证为客户提供安全卫生的食品。”
A.
正确
B.
错误
【简答题】what is the structure in thymus?
【多选题】羚羊角的鉴别特征有
A.
具“通天眼”
B.
具“羚羊塞”
C.
外表光滑,透明或半透明
D.
磨片镜检髓管呈长管形,内有梯状排列或疏松排列的髓细胞
E.
色素颗粒较少
【单选题】What structure is indicated in the circle below?
A.
seminiferous tubule
B.
renal corpuscle
C.
islets of langerhan
D.
thymic corpuscle
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