【单选题】下表是1950年—1998年某地区居民购买理财产品的比例。根据该序列的自相关图以及偏自相关图,可以用下列哪个模型来进行拟合较为合适?( )。195019511952195319541955195619571958195983.563.17176.370.580.573.675.269.171.4196019611962196319641965196619671968196973.678.884.4...
【单选题】_____ I believe in you, I don't ______ your viewpoint ______ she is failing to find a well-paid job again. [ ]
B.
As ; subscribe for ; where
D.
While ; subscribe to ; that
【单选题】—Mary, don’t you believe your sister? —Yes. I believe _____ she says.
【多选题】下列选项中,属于基础研究的重要意义的有( )。
C.
基础研究能够在长期内推动一个国家综合创新能力的提升
【判断题】基础研究可分为纯基础研究和定向基础研究。
【单选题】She is always smart and cheating others. I can't believe she was ____ by him this time, who is a little dull boy.
【单选题】听力原文:M: I asked Linda out yesterday. W: I can't believe it! She is gorgeous. Surely she turned you down ... M: She said yes! We have a date for tonight, so she agreed to meet me here. W: Really? Where...
B.
She agreed to meet him.
C.
She didn't say anything.
D.
She was very excited to date him.
【单选题】下表是1950年—1998年某地区居民购买理财产品的比例。对该序列选择AR(1)模型并通过极大似然估计法进行参数估计,对残差白噪声检验的结果为( )。195019511952195319541955195619571958195983.563.17176.370.580.573.675.269.171.4196019611962196319641965196619671968196973.678....
A.
P<0.05 ,残差为白噪声序列,拟合模型显著有效
B.
P>0.05 ,残差为白噪声序列,拟合模型不显著
C.
P>0.05 ,残差为白噪声序列,拟合模型显著有效
D.
P>0.05 ,残差为非白噪声序列,拟合模型不显著
【判断题】汇总记账凭证即记账凭证汇总表,两者的填制方法一样。