in the case of patients with comorbidities, the core diagnosis is called ( )
在选择枢纽内货运站间工作的分配方案时，应遵循以下原则（ ）。
铺画单线区段货物列车详图时，若通过能力利用率在80%以上，应从（ ）开始铺画货物列车运行线。
the following correct statements include
the features of personality does not include（ ）.
【多选题】下列关于华人的基本人际状态说确的是( )
in face of setbacks and difficulties, strong people are brave while week people are easy to fail and lose confidence. these are the performance of the external stability of personality.
for the psychological treatment of personality disorders, which therapy is more applicable
the therapeutic effect of electroconvulsive therapy is more rapid and extensive than drug therapy.
车站的调车工作，有（ ）统一领导。
which of the following belong to the big five-factor model?( )
the（ ) of the negotiations was more favorable than anyone had expected.
最小均方误预测误差的方差和预测步长有关，而和预测的时间原点无关。
the vietnamese president congratulated the chinese people for their great achievements following reforms, and their success in building socially chinese _____
常见的时间序列分析方法包括（ ） a 描述性时序分析 b 频域分析 c 时域分析方法 d 谱分析
截至2018年年底，高铁实现了飞速发展并且已开通运营的里程达( )万公里，占世界的三分之二。
if you don't work harder, in the bad times you will undoubtedly be________or down sized and probably more than once.
哪种时间序列分析方法是从序列自相关的角度来分析（ ） a 描述性时序分析 b 频域分析 c 时域分析方法 d 谱分析
白噪声序列一定是平稳序列。（ ）
下列哪项属于平稳时间序列的自相关图特征？（ ） a. 自相关系数很快衰减为零 b. 自相关系数衰减为零的速度缓慢 c. 自相关系数一直为正 d. 在相关图上，呈现明显的三角对称性