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【多选题】
问卷设计的基本原则有哪些?A.
功能性原则
B.
可靠性原则
C.
效率原则
D.
可维护原则
E.
公平原则
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【单选题】听力原文：It is said that we can judge one by the company he keeps, but it can't be applied to everyone. What does the speaker imply?
A.
Sometimes we can judge people easily.
B.
We cannot judge people theoretically.
C.
We cannot judge people financially.
D.
We can always apply theory to practice.
【简答题】A．We can't judge buildings by the ancient standards. B．We can't judge all the buildings by the ancient standards. C．We can't judge all the modern buildings by the ancient standards. D．We can't judge m...
【单选题】下图蓝 线表示新冠肺炎每日累计确诊数据y=f(x),灰线表示每日新增确诊数据y=g(x),下列说法正确的是:
A.
f'(x)=g(x)
B.
g'(x)=f(x)
C.
f(x)=g(x)+c(c为固定的常数）
D.
以上说法都不对
【单选题】若将1=10sin（314t+90o）A，2=10sin（314t-90o）A，3=10sin314tA三个电流分别通过同一个电阻，通电时间相等，其发热量最大的是（）。
A.
1
B.
2
C.
3
D.
三者相等
【单选题】How do we judge outgroups?
A.
We tend to be more generous to them.
B.
We are usually biased against them.
C.
We are more willing to trust them.
D.
We tend to be complimentary about their behavior.
【简答题】To judge how serious a flood is, we have to consider the volumes of rivers and streams in an area and ______.
【简答题】A．We shouldn't judge people by reading their faces. B．We shouldn't smile in the wrong place. C．We shouldn't cover our true feelings. D．We shouldn't express our emotions too openly.
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