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【单选题】
下列哪项关于队列研究论述是正确的A.
随机分组
B.
可以研究一种暴露与多种疾病的关系
C.
选择偏倚很少存在
D.
可以研究一种疾病与多种暴露的关系
E.
都是以研究工作开始的时刻为起点对将来的疾病发生情况进行研究
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反馈参考答案：
举一反三
【单选题】There must be ____ with the machine.
A.
something wrong serious
B.
something seriously wrong
C.
something serious wrong
D.
something wrong seriously
【单选题】“Something in __ nature” is quite different from “Something in__ universe” or “something in____ space”.
A.
a, a, the
B.
x, x, the
C.
x , the, x,
D.
the , the , x
【简答题】A．something missing B．missing something C．something lost D．lost something
【简答题】A．something lost B．lost something C．something missing D．something missed
【单选题】What about _____? [ ]
A.
something to eat
B.
to eat something
C.
something eat
D.
eat something
【单选题】Brain will bake _____. [ ]
A.
something to eat good
B.
something good to eat
C.
to eat something good
D.
eating something good
【单选题】()是指中央银行行为实现特定经济目标而采用的控制和调节货币供应量、信用利率那个方针和措施的总称,是国家调节和控制宏观经济的主要手段之一
A.
财政政策
B.
货币政策
C.
经济政策
D.
社会政策
【单选题】Is the author explaining something or arguing something?
A.
He is explaining something.
B.
He is arguing something.
相关题目：
【单选题】What about _____? [ ]
A.
something to eat
B.
to eat something
C.
something eat
D.
eat something
参考解析：
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