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【简答题】A.Britons got expansive tea from China. B.Britons got their first tea from Finland. C.Britons were the first people in Europe who drank tea. D.In the 17th century the East. India Company introduced te...
【单选题】When first ______to Britain, tea was not so popular like today .
A.
introducing
B.
introduced
C.
being introduced.
D.
introduce
【单选题】Between seventeenth and eighteenth centuries when tea was first introduced into England there was competition between coffee houses and pubs to gain popularity of tea and liquor.
A.
Y
B.
N
C.
NG
【单选题】用样本均数来估计总体均数的95%可信区间时,则估计精密的是( )
A.
均数大的样本
B.
均数小的样本
C.
标准误小的样本
D.
标准差小的样本
【判断题】Tea Classic is the first known monograph on tea in the world.
A.
正确
B.
错误
【单选题】当 n < 30 时,用样本均数估计总体均数的 95% 可信区间的公式为 D
A.
` x ± 1.96 S
B.
` x ± t0.05 , v S ` x
C.
` x ± 1.96 S ` x
D.
` x ± t0.05 , v S ` x
E.
` x ± 2.58S
【单选题】用样本均数估计总体均数95%可信区间时,则精确度高的是()
A.
均数大的样本
B.
均数小的样本
C.
标准差小的样本
D.
标准误大的样本
E.
标准误小的样本
【判断题】催化剂的空速越小,油品与催化剂接触的时间越长。
A.
正确
B.
错误
【单选题】When using( ), first divide the tea into it before swirling it around.
A.
sample tea cup
B.
sample tea cup
C.
tea bowl
D.
tea holder
【单选题】用样本均数估计总体均数的 95% 可信区间时,则估计精密的是( )
A.
均数大的样本
B.
均数小的样本
C.
标准误小的样本
D.
标准差小的样本
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