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【单选题】
下列哪项不可能是斜疝的特点A.
多见于儿童及青壮年
B.
经腹股沟管突出,可进阴囊
C.
精索在疝囊前外方
D.
疝块后压住深环疝块不再突出
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举一反三
【多选题】The great wall include _________, garrison towns and _____________, as well as beacon towers along the wall.
A.
blockhouses
B.
garrison towns
C.
passes built at strategic points
D.
beacon towers
【判断题】Blockhouses, garrison towns, passes built at strategic points, and beacon towers are mentioned to show the magnificence and variety of the Great Wall.
A.
正确
B.
错误
【单选题】有两个半径相同、质量相等的细圆环, A 环的质量分布均匀, B 环的质量分布不均匀,它们对通过圆心并与环面垂直的轴的转动惯量分别为 JA 和 JB ,则( )。
A.
JA>JB
B.
JA
C.
JA=JB
D.
不能确定其大小关系
【单选题】有两个半径相同,质量相等的细圆环 A 和 B 。 A 环的质量分布均匀, B 环的质量分布不均匀。比较它们对通过环心并与环面垂直的轴的转动惯量,
A.
A环大
B.
B环大
C.
相等
D.
哪个大、哪个小无法确定
【多选题】The great wall include _________, __________ and _____________, as well as ____________ along the wall.
A.
blockhouses
B.
garrison towns
C.
passes built at strategic points
D.
beacon towers
【判断题】Blockhouses, garrison towns, passes built at strategic points, and beacon towers are mentioned to show the magnificence and variety of the Great Wall.
A.
正确
B.
错误
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