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【单选题】
引起脑栓塞最常见的栓子来源是()。A.
空气栓子
B.
大动脉硬化斑块的脱落
C.
脂肪栓子
D.
心源性栓子
E.
肺动脉血栓
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【简答题】deviate from, remove from, fail in(Each word can be used only ONCE, paying attention to the form of the words) 1) When Francis got back after Easter, he was far behind his classmates and he was ______...
【简答题】deviate from, remove from, fail in (Each word can be used only ONCE) 1) When Francis got back after Easter, he was far behind his classmates and he was ____________ the second into the third class at ...
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