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【单选题】
某患者需要注射维生素B12,每次肌肉注射量为50μg,B12注射剂的规格为每支0.1mg,请换算此患者应注射几支维生素B12A.
１/２支
B.
３/４支
C.
１支
D.
３/２支
E.
２支
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【单选题】听力原文：As far as I can see it seems as though we've known each other for a long time instead of just eight days. (28)
A.
Although I feel it is a long time, we actually met only eight days ago.
B.
Although we've known each other for a short time, we've been friends for a long time.
C.
I feel we haven't seen each other for a long time.
D.
We met when we ate in a restaurant eight days ago.
【单选题】在人民内部,不可以没有自由,也不可以没有纪律;不可以没有民主,也不可以没有集中。这种民主和集中的统一、自由和纪律的统一,就是我们的民主集中制。下列关于民主集中制的说法,正确的有( ) 1民主集中制与公民在法律面前人人平等相矛盾 2民主集中制是人民代表大会制度的组织和活动原则 3民主集中制的具体表现就是极少数人对大多数人的绝对服从 4民主集中制是民主指导下的集中和集中基础上的民主相结合的制度
A.
①②
B.
②③
C.
③④
D.
①④
【单选题】—Have you known each other for long? — Not very, ________we started to work in the ABC Motor Company.
A.
before
B.
since
C.
when
D.
after
【单选题】( )have known each other for ten years.
A.
I, you and he
B.
He, you and I.
C.
You, he and I
D.
You, he and me.
【单选题】The aged are close companions, and many of have known each other for decades.
A.
them
B.
that
C.
whom
D.
what
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