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【单选题】
有关心尖搏动的说法,错误的是A.
正常位于左侧第五肋间隙
B.
锁骨中线内侧0.5-1.0cm处
C.
搏动的直径约2.0～2.5cm
D.
右心室增大时，心尖搏动向右移位
E.
左心室增大时，心尖搏动向左下移位
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举一反三
【单选题】How did the residents in the Vrain School District respond to the budget shortage?
A.
They felt somewhat helpless about it.
B.
They accused those responsible for it.
C.
They pooled their efforts to help solve it.
D.
They demanded a through investigation.
【单选题】How did the teenagers feel after rescuing the kangaroo?
A.
They were delighted and proud .
B.
They were worn-out but excited .
C.
They were worried about the kangaroo .
D.
They were uncomfortable with the attention .
【简答题】建立虚拟植物生长模型,需要经过哪几个步骤?
【简答题】随着转炉吹炼的进行,炉渣碱度升高,大部分 (MnO) 呈自由状态,吹炼后期炉温升高后, (MnO) 被还原,转炉吹炼终了时钢中的锰含量称为( )。
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