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【单选题】
静脉注射过程中，如发现患者局部肿胀、疼痛、试抽有回血，可能的原因是A.
静脉痉挛
B.
针刺入过深，穿破对侧血管壁
C.
针头斜面一半在血管外
D.
针头斜面紧贴血管内壁
E.
针头刺入
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举一反三
【简答题】盂肱关节的关节盂唇的作用是_____________________________。
【单选题】The two groups were similar ___________ income and status.
A.
with respect to
B.
as to
C.
as for
D.
as regards
【简答题】We sometimes think humans are uniquely vulnerable to anxiety, but stress seems to affect the immune defenses of lower animals too. In one experiment, for example, behavioral immunologist ( 免疫学家 ) Mark...
【简答题】We sometimes think humans are uniquely vulnerable to anxiety, but stress seems to affect the immune defenses of lower animals too. In one experiment, for example, behavioral immunologist ( 免疫学家 ) Mark...
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