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【单选题】
在假设检验中,若显著水平a=0.05,则犯I型错误的最大可能概率为( ) 。A.
0.95
B.
0.05
C.
0.99
D.
0.01
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【简答题】The author's attitude toward the influence of advertisement on people's habits is（ ） [A] indifferent [B] negative [C] positive [D] biased
【单选题】the author's attitude toward the influence of advertisement on people's habits is_________.
A.
indifferent
B.
negative
C.
positive
D.
biased
【单选题】It can be concluded from the passage that______.
A.
people's behavior. accounts for attitude
B.
people's living habit is easy to change
C.
people's attitude towards punctuality is identical
D.
cultural difference can cause difference in attitude
【单选题】The author's attitude toward the influence of advertisement on people's habits is______.
A.
indifferent
B.
negative
C.
positive
D.
biased
【单选题】已知关系S(S#,SN,AGE,SEX),SC(C#,S#,GRADE),C(C#,CN,TEACHER)。若要检索学生姓名及其选修课程的课程号和成绩，正确的SELECT语句是_________。
A.
SELECT S.SN,SC.C#,SC.GRADE FROM SC WHERE S.S#=SC.GRADE
B.
SELECT S.SN,SC.C#,SC.GRADE FROM S WHERE S.S#=SC.S#
C.
SELECT S.SN,SC.C#,SC.GRADE FROM S.SC
D.
SELECT S.SN,SC.C#,SC.GRADE FROM S,SC WHERE S.S#=SC.S#
【单选题】What is the author‘s attitude towards negative people? 查看材料
A.
Favorable.
B.
Critical.
C.
Indifferent.
D.
Supportive.
【单选题】What is people's attitude toward cosmetic surgery?
A.
They think it is frightening
B.
They cannot accept it
C.
People's attitude has changed over time
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