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【单选题】
在假设检验中,若样本容量不变,显著性水平 从0.01提高到0.05,则犯第二类错误的概率( )。A.
也将提高;
B.
不变;
C.
将会下降;
D.
可能提高,也可能不变。
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【单选题】The girl _____ her mother . I know her mother likes reading,too.
A.
achievement
B.
familiar
【单选题】I know her ______, but I have never spoken to her.
A.
for sight
B.
in sight
C.
on sight
D.
by sight
【单选题】What does "Anglo-Saxons"refer to?盎格鲁撒克逊指的是?
A.
Angles and Saxons from what is now the Danish and German border area, collectively known as the "Anglo-Saxons".They are one ethnic group.
B.
Angles and Saxons were from the Jutland peninsula and they were Germanic groups.
C.
People from what is now the Danish and German border area, collectively known as the "Anglo-Saxons".They are two ethnic groups.
【单选题】The Scots, Welsh and Irish are descendents of ___________.
A.
the Romans
B.
the Anglo Saxons
C.
the Celts
D.
the French
【简答题】In the year 1066, the Normans defeated the Anglo-Saxons at the battle of______.
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