【多选题】企业的营销刺激对消费者发挥作用的条件是:该刺激能为消费者所( )、该刺激能引起消费者的( )、该刺激所传递的信息能为消费者( )。
【单选题】Unluckily, we missed the train. we early.
【单选题】如图电路,运放的饱和电压为 ± U O(set) , 当 U i > U R 时, U O 等于 ( ) 。
【单选题】—Why was he unhappy yesterday? —A letter from home ______ an attack of homesickness.
【单选题】由于生态平衡遭到破坏,现存的生物物种只有35亿年前的百分之多少?
【单选题】Peter ________ the papers he was marking and reached for his cigarettes and matches.
【单选题】The moment they got the money, they repairing the old temples.