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【单选题】
下列心电图常规胸导联中,探查电极置于右胸的是A.
V1 导联
B.
V2 导联
C.
V3 导联
D.
V4 导联
E.
V5 导联
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【单选题】—Haven’t seen Lucy recently，what’s happened? —Oh，it’s more than two months ________ she worked here.
A.
which
B.
that
C.
before
D.
since
【单选题】The statement 'Washington, we have a problem' was said by ______.
A.
Rome' s La Republic
B.
the French-language Swiss daily 24 Heures
C.
a Russian daily
D.
British tabloid the Daily Mirror
【单选题】The statement'Washington, we have a problem'was said by_____.
A.
Rome's La Republic.
B.
The French-language Swiss daily 24 Hems.
C.
A Russian daily.
D.
British tabloid the Dally Mirror.
【单选题】— Haven't seen Lucy recently, what's happened? 一 Oh, it's more than two months _____ she worked here. [ ]
A.
which
B.
that
C.
before
D.
since
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