单项选择题

A variance estimate from the GARCH(1,1) model is always between the prior day's estimated variance and the prior day's squared return.（）

A．对
B．错

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多项选择题

People who score high on ______ will achieve desirable performance in R&D teams.
A、agreeableness
B、conscientiousness
C、emotional stability
D、Openness to experience

单项选择题

开口于上鼻道的鼻旁窦是 A.
额窦 B.
蝶窦 C.
上颌窦 D.
筛窦前、中群 E.
筛窦后群