皮皮学,免费搜题
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【单选题】
最早发现与mtDNA突变有关的疾病是
A.
遗传性代谢病
B.
Leber遗传性视神经病
C.
白化病
D.
分子病
E.
PKU
拍照语音搜题,微信中搜索"皮皮学"使用
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A.
肝素冲管
B.
更换针头,重新穿刺
C.
调整针头位置
D.
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E.
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A.
抬高患肢
B.
减慢输液速度
C.
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E.
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A.
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A.
0.05
B.
> 0.05
C.
< 0.05
D.
不一定
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A.
P<0.05
B.
P>0.05
C.
P=0.05
D.
P=0.95
E.
P未知
【单选题】两样本均数的 t 检验,按 α=0.05 的检验水准拒绝 H0,若此时推断有误,其错误的概率是
A.
0.05
B.
>0.05
C.
<0.05< /div>
D.
不一定
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