以下哪些属于互动营销活动性形式( )
A. 留言有礼
B. 投票活动
C. 红包吸粉
D. 互动游戏
True (T) or False (F)( ) 1. The author has taken just two vacation trips in the past 35 years.( ) 2. One of his main sources of enjoyment is to talk with many actor friends.( ) 3. The author feels quite natural about not being focused on material goods.( ) 4. Only a small part of people in the world would consider the author’s lifestyle to be affluent.( ) 5. The author has a sense of belonging as he put on the Salvation Army’s red
Blank Filling1. The author has come to understand more about (1) ________ because of the question over the (2) ________ years from (3) ________ to (4) _________ .2. He is most thankful for his (5) ________ and (6) _______ good fortune.
( )是存储在计算机内的结构化的数据的集合。
A. 数据库系统
B. 数据库
C. 数据库管理系统
D. 数据结构