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【单选题】
混杂因素的作用是
A.
使暴露因素与研究结果之间的关联减弱
B.
使暴露因素与研究结果之间的关联增强
C.
使暴露因素与研究结果之间的关联增强或减弱
D.
使暴露因素与研究结果之间的关联无关
E.
其他选项均不对
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参考答案：
举一反三
【判断题】55 转向信号灯电热式闪光器闪烁频率不稳定。( )
A.
正确
B.
错误
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【单选题】信用证是进口商根据买卖合同规定的义务向银行申请开立的，信用证的第一付款人是(    )。
A.
进口商  
B.
开证银行  
C.
视信用证的具体规定而定  
D.
议付行
查看完整题目与答案
【单选题】熔点最高的金属是
A.
Cr
B.
W
C.
Au
D.
Tc
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【单选题】20世纪40年代的《观察》杂志是由()创办的。
A.
胡适
B.
储安平
C.
张季鸾
D.
徐志摩
查看完整题目与答案
【单选题】熔点最高的金属是
A.
铁
B.
银
C.
铝
D.
钨
查看完整题目与答案
【单选题】信用证是进口商根据买卖合同规定的义务向银行申请开立的，因此信用证中负第一付款责任的是( )。
A.
进口商
B.
开证银行
C.
视信用证的具体规定而定
D.
议付行
查看完整题目与答案
【单选题】Directions: There are two passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D). You should de...
A.
It was caused by the unreasonable opinions of some murderers.
B.
It goes down in history as the greatest tragedy humans can imagine.
C.
It should be something we must learn about in school for its horror.
D.
It is well represented in the book and matches what is taught in school.
查看完整题目与答案
【简答题】根据短文内容，判断以下句子的正(T)误(F)。 When we meet someone for the first time, we often would like to talk about ourselves. We just want to show the best to others. But why not listen? Sometimes, listening is bette...
查看完整题目与答案
【判断题】转向信号灯电热式闪光器闪烁频率不稳定。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You shoul...
A.
they use proper words to carry their ideas
B.
they both speak truly of their own feelings
C.
they try to understand each other's ideas beyond words
D.
they are capable of associating meaning with their words
查看完整题目与答案
相关题目：
【判断题】55 转向信号灯电热式闪光器闪烁频率不稳定。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】信用证是进口商根据买卖合同规定的义务向银行申请开立的，信用证的第一付款人是(    )。
A.
进口商  
B.
开证银行  
C.
视信用证的具体规定而定  
D.
议付行
查看完整题目与答案
【单选题】熔点最高的金属是
A.
Cr
B.
W
C.
Au
D.
Tc
查看完整题目与答案
【单选题】20世纪40年代的《观察》杂志是由()创办的。
A.
胡适
B.
储安平
C.
张季鸾
D.
徐志摩
查看完整题目与答案
【单选题】熔点最高的金属是
A.
铁
B.
银
C.
铝
D.
钨
查看完整题目与答案
【单选题】信用证是进口商根据买卖合同规定的义务向银行申请开立的，因此信用证中负第一付款责任的是( )。
A.
进口商
B.
开证银行
C.
视信用证的具体规定而定
D.
议付行
查看完整题目与答案
【单选题】Directions: There are two passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D). You should de...
A.
It was caused by the unreasonable opinions of some murderers.
B.
It goes down in history as the greatest tragedy humans can imagine.
C.
It should be something we must learn about in school for its horror.
D.
It is well represented in the book and matches what is taught in school.
查看完整题目与答案
【简答题】根据短文内容，判断以下句子的正(T)误(F)。 When we meet someone for the first time, we often would like to talk about ourselves. We just want to show the best to others. But why not listen? Sometimes, listening is bette...
查看完整题目与答案
【判断题】转向信号灯电热式闪光器闪烁频率不稳定。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You shoul...
A.
they use proper words to carry their ideas
B.
they both speak truly of their own feelings
C.
they try to understand each other's ideas beyond words
D.
they are capable of associating meaning with their words
查看完整题目与答案
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