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【多选题】
影响评价的因素（ ）
A.
时间因素
B.
测量工具因素
C.
回归因素
D.
选择偏倚因素
E.
失访
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【简答题】开创寻找病原微生物“黄金时期”的是（ ）。
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【简答题】Our new neighbors are the Browns. They have two children, a boy and a girl. The boy is Jack and the girl is Alice. Jack is 16, and he is one year older than me. Alice and my sister Nancy are 8 years o...
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