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【单选题】
麻黄碱的作用与肾上腺素比较,其特点为A.
作用弱、持久，易引起耐受性
B.
作用较强，维持时间短，中枢兴奋
C.
作用弱，维持时间短，有舒张平滑肌作用
D.
中枢作用弱，无耐受性
E.
口服给药可避免耐受性及中枢兴奋作用
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【单选题】Imagine ___________ to travel to Greece for free. Nobody can avoid ___________ by the idea.
A.
paying; attracting
B.
being paid; being attracted
C.
being paid; attracting
D.
to be paid; being attracted
【单选题】Everybody may have seen the film 'Death on the Nile (尼罗河) ,' but nobody can imagine that the writer of the story, Agatha Christie, saved a baby in a most unusual way. In June 1977, a baby girl became ...
A.
her parents were living in London then
B.
the hospitals in Deleville were full at that time
C.
she was the daughter of a famous doctor in London
D.
doctors in Deleville were not sure about the cause of her illness
【简答题】Everybody may have seen the film “Death on the Nile (n. 尼罗河)”, but nobody can imagine that the writer of the story, Agatha Christie, saved a baby in a most unusual way. In June 1977, a baby girl becam...
【单选题】听力原文：W：Prefer to be housewives? Can you imagine the monotony，the boredom and the frustration? M：Oh，yes，I can imagine it easily enough．But don't forget that lots of men have equally bonng jobs and less...
A.
A lot of men have interesting jobs.
B.
A lot of men have equally boring jobs.
C.
A lot of men have freedom to their jobs.
D.
A lot of men think that to be a housewife is easy.
【单选题】Nobody can imagine what difficulty we had _____ home in the snowstorm.
A.
walking
B.
to walk
C.
walked
D.
to walking
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