单项选择题

By form. we refer to________.

A.its
B.its
C.its
D.both
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单项选择题
The meanings of a polysemant may be influenced by the structure in which it occurs.This is what we call _______.
A.Linguistic
B.Lexical
C.Grammatical
D.Cultural
单项选择题
应用甘露醇的注意事项不正确的是()
A.静脉注射或滴注时,应用大号针头,速度慢会影响药物的治疗效果
B.此药液在常温易析出结晶,用前要放在微波炉内使结晶溶化
C.静脉注射前要确认针头在血管内方可给药,以免引起皮下水肿和静脉炎
D.注意观察病人的用药反应,颅内高压的症状和体征,病人的意识、神经反射、肢体活动情况、瞳孔是否等大
E.用药期间要密切观察尿量、电解质、中心静脉压、肾功能等
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