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【单选题】
病例对照研究中,选择新病例的优点是A.
需要的样本较小
B.
保密性问题较少
C.
可以减小回忆偏倚
D.
费用较低
E.
便于发现病例
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The story tells us that ________.
A.
we should listen to our parents more than anybody else
B.
we must look for how to improve on our performance even in the face of criticism and depend on our beloved ones to help us hear the truth
C.
if you are careful and make no mistake, nobody will talk about you
D.
we should listen to our friends and do what they tell us to do
【单选题】It’s raining .We have to stay at home instead of going out for a picnic. [ ]
A.
badly
B.
hardly
C.
heavily
D.
strongly
【单选题】this story tells us that
A.
we should listen to our parents more than anybody else
B.
we must look for how to improve our performance even in the face of criticism, and the depends on our belived ones to help us hear the truth
C.
if you are careful and the make no mistake, nobody will talk about you
D.
we should listen to our friends and do what they tell us to do
【简答题】用所给词的适当形式填空 offer; reach for; out of; time for; take care of ; invited 1) The 2008 Beijing Olympic s were such a good _____________ the world to know more about China. 2) Of ...
【单选题】We decided not to climb that mountain because it was raining_________.
A.
badly
B.
hardly
C.
strongly
D.
heavily
【单选题】据I导联和III导联 QRS 主波方向判断电轴,符合 左室肥大 是 :
A.
Ⅰ导向下，Ⅲ导向上
B.
Ⅰ导向下，Ⅲ导向下
C.
Ⅰ导向上，Ⅲ导向下
D.
Ⅰ导向上，Ⅲ导向上
E.
电轴右偏
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