下列哪种抗心律失常药对强心甙急性中所致的快速型的心律失常疗效最好( )
A、苯妥英钠A
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The poor girl had much too high _______ of her own charms to suspect that the Count could be unfaithful to them
In the last twenty years, breakthroughs in technology have _____ advanced the way we communicate, bringing us computers, cell phones and the Internet.
The introduction of containers in transport greatly ______ carriage of goods.
Scientists doubt wheth er it ’s ________ to regulate one ’s biological clock by drinking.
______, we are airmailing you our latest quotation-sheet.
