--CanIspeaktoMrSmith,please?
--_________.Heisgivingatalkatameeting.
A、Ithinkso
B、Ihopenot
C、Withpleasure
D、I’mafraidnot
A、条件预测
B、无条件预测
C、短期预测
D、中期预测
E、长期预测
Childrenshould_________wastewater.
A、tellnotto
B、betolddon’
C、betoldtodon’
D、betoldnotto
A、howcanIfinishmyhomeworkontime
B、howIcouldfinishmyhomeworkontime
C、Icanhowfinishmyhomeworkonthetime
D、howIcanfinishmyhomeworkontime
在行情预测过程中由已知的经济变量发展规律推出未知变量是基于()
A、相关性原则
B、延续性原则
C、相似性原则
D、统计规律性原则