以下对元搜索引擎的正确叙述是()。
[A]没有自己的数据
[B]由检索器根据用户的查询输入检索索引库，并将查询结果返回给用户
[C]服务方式为面向网页的全文检索
[D]不能够充分使用元搜索引擎的功能，用户需要做更多的筛选
查看答案
网络直销的形式()。
[A]促成产需直接交易
[B]自建网站直销产品
[C]利用网络中介服务商直销产品
[D]及时了解用户反馈
网络消费者的购买决策不易受到()因素的影响。
[A]动机
[B]知觉
[C]广告
[D]信念和态度
the Frankfurt Book Fair was primarily an order fair (5) booksellers from Germany but,
A. against
B. to
C. for
What is NOT suggested about Dillon Gibson？
A. He is a member of Bali fitness Center.
B. He will meet Sara at the weekly meeting.
C. He has taken cycling class in the past.
D. He will receive a prize if his friend joins the gym.
微信支付 
支付宝支付