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【判断题】
对于某一理想气体 ,其 c p和 c v之比是温度的函数 。只有其比热容取为定值时,其比值才为常数。A.
正确
B.
错误
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反馈参考答案：
举一反三
【判断题】In western countries, people don't always say thank you to other people.( )
A.
正确
B.
错误
【单选题】关于假设检验,下面哪一项说法是正确的:
A.
单侧检验优于双侧检验
B.
若p> α，则接受h0犯错误的可能性很小
C.
采用配对t检验还是两样本t检验是由实验设计方案决定的
D.
检验水准 α只能取0.05
【简答题】坚持四项基本原则,是哪四项基本原则。
【简答题】四项基本原则
【单选题】关于假设检验,下面哪一项说法是正确的:
A.
检验水准 α只能取0.05
B.
采用配对t检验还是两样本t检验是由实验设计方案决定的
C.
单侧检验优于双侧检验
D.
若p> α，则接受h0犯错误的可能性很小
【简答题】A．There are too many students in the discussion. B．Some people don't let other people talk. C．Questions to discuss are too easy. D．She doesn't have time to prepare the discussion.
【简答题】A．Glasses for people who couldn't see anything. B．Glasses for people who couldn't read. C．Glasses for people who couldn't see well. D．Glasses for people who wore them to protect their eyes from sunshi...
【简答题】In Britain, people couldn't decide
【简答题】On________ （平均），people who don’t smoke are healthier than people who do.
【单选题】—Won’t people work in the future? —__________. Robots will only do some of the work for people.
A.
Yes, they will
B.
Yes, they won’t
C.
No, they will
D.
No, they won’t
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