【单选题】以下关于时间序列预测法的描述正确的是?
D.
. 由于它包括趋势性、周期性和季节性模型,所以它比因果预测分析更有用
【判断题】进口税是指出口国的海关在外国商品输入时,根据海关税则对本国的进口商所征收的关税。
【单选题】听力原文:M: Hi, you're new here, aren't you? What's your name? W: Stella. M: Want to come and play? W: I'd like to. but I can't. My Mum says I've got to stay and help her. It's my brother's birthday and w...
A.
Because she doesn't like to.
B.
Because she has to help her mother.
C.
Because she is having a party.
【简答题】中国特色社会主义乡村振兴道路怎么走,会议提出了七条“之路”。 七条“之路”分别是什么?
【多选题】以下关于模型预测描述正确的是( )。
B.
能够根据系统现时刻的控制输入以及过程的历史信息, 预测过程输出的未来值 。
C.
把对象在脉冲或阶跃干扰作用下得到的一系列响应值作为对象动态特性的信息, 构成系统的动态预测模型 。
【单选题】听力原文:(Woman) Have you made arrangements to attend the sales conference in London? (Man) Sort of. I've registered to attend the conference, but I haven't booked a room yet. (Woman) You should really do...
A.
Plans to attend a conference
B.
A visit to their families
C.
The cost of hotel rooms
D.
Reservations for a vacation
【单选题】进口关税指的是( )的海关在外国商品输入本国时,根据海关税则对本国进口商所征收的关税。
【多选题】人民群众( )
A.
从质上说是指一切对社会历史发展起推动作用的人们