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【简答题】
两个数之差为13,之和为41,请问两个数的平方差等于多少?( )
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【单选题】牙冠外形为斜方形的是
A.
上颌第一前磨牙
B.
上颌第一磨牙
C.
下颌第二前磨牙
D.
下颌第一磨牙
E.
下颌第二磨牙
【单选题】临边防护栏杆杆件的规格及连接要求,应符合钢筋横杆下杆直径不应小于14mm.钢管横杆及栏杆柱直径不应小于()
A.
8mm
B.
15mm
C.
18mm
D.
24mm
【单选题】三极管分为两类:PNP和NPN型,左图是 型三极管;右 图是 型三极管
A.
PNP     PNP
B.
NPN   NPN
C.
NPN   PNP
D.
PNP   NPN
【单选题】用突然加速法检查点火正时,()为点火正时准确。
A.
有轻微敲击声,瞬时声响消失;
B.
爆震声很大,且不消失;
C.
没有爆震声,转速变化不大;
D.
转速不能提高
【简答题】Explain the underlined part in each sentence in your own words. I live in the middle of a large university, and I see superstition in its four manifestations, alive and flourishing among people who ar...
【单选题】寻找腮腺导管口时常以( )牙冠为标志
A.
上颌第一磨牙
B.
下颌第一磨牙
C.
上颌第二磨牙
D.
下颌第二磨牙
【简答题】Superstition is a part of British culture today. Although superstition was more alive a hundred years ago, there are still superstitious people around, both young and old. I will talk about it from fo...
【单选题】右上第一磨牙隐裂,经牙髓治疗后,拟做全冠修复。患者牙合关系正常,第一磨牙关系为中性关系,在形成上颌第一磨牙牙冠时近中颊尖应正对下颌第一磨牙()。
A.
颊沟的远中
B.
颊沟的近中
C.
颊沟
D.
远颊沟
E.
远颊沟的远中
【简答题】I live in the middle of a large university, and I see superstition in its four manifestations, alive and flourishing among people who are indisputably rational and learned.
【单选题】I live in the middle of a large university, and I see superstition in its four manifestations,alive and flourishing among people who are________ rational and learned.
A.
indescribably
B.
irreplaceably
C.
proportionably
D.
indisputably
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