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【简答题】
典型的低钾血症心电图的改变为早期出现 T 波( ),随后出现 ST 段( ), QT 间期延长和 U 波
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【单选题】Nuclear science should be developed to benefit the people ______ harm them.
A.
fewer than
B.
other than
C.
rather than
D.
better than
【单选题】Nuclear science should be developed to benefit the people ______ harm them.
A.
more than
B.
other than
C.
rather than
D.
better than
【单选题】Nuclear science should be developed to benefit the people ______ harm them.
A.
more than
B.
rather than
C.
less than
D.
better than
【简答题】普通螺纹的公称直径指的是螺纹的______;计算螺纹的危险截面时使用的是螺纹的______。(选填“大径”、“中径”、“小径”)
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