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【单选题】
苷主要用于治疗A.
充血性心力衰竭
B.
安全性心脏传导阻滞
C.
心室纤维颤动
D.
心包炎
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举一反三
【单选题】They soon began to investigate the cause of the fire.
A.
affirm
B.
invent
C.
examine
D.
deny
【简答题】.A fire broke out in a neighbouring street yesterday,but it was soon_______by the firemen. A,gone out B, put out C,given out D,made out
【单选题】As a duty engineer, as soon as your hear the fire emergency signal, you should ensure that the
A.
ring buoys are thrown overboard
B.
engines are stopped
C.
fire pumps are started
D.
life preservers have been issued to everyone
【简答题】(lucky) ______ , the firemen came right and soon put out the fire.
【简答题】北京图书大厦网上书店在首都电子商城开业3个月以后，便开始盈利，这说明他们实施B2C模式的电子商务取得了成功。其主要标志是：
（1）较好地解决了全球性的安全支付问题。在首都电子商务工程试点中，由首都电子商城配置了自主开发的具有高位加密算法的安全协议。在与国内外银行和公司的合作下，采用多种具有实效的现代支付工具与网上银行等支付方式，以及多种安全协议和高位加密算法，并使具有网上安全支付功能的网上购书由...
【单选题】The firemen arrived ___ the fire broke out.
A.
soon after
B.
before long
C.
long before
D.
after soon
【单选题】Suddenly fire broke out in the room and everything in It was soon on. ______ fire.
A.
/, a
B.
the, /
C.
a, /
D.
/, the
【单选题】The porter ______ the fire-brigade as soon as he saw the fire in the stock, which went up in smoke.
A.
ought to call
B.
ought to have called
C.
should call
D.
should have calling
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