【多选题】Which are t he pros of online shopping
A.
Easy comparison shopping
C.
Lack of instant gratification
【判断题】有两个面互相平行,其余各面均为平行四边形的几何体是棱柱。
【单选题】---Your 12-year-old son doesn’t know much about shopping online, ________ he? --- ___________, actually shopping online is popular with teenagers these days.
【简答题】.802.11a 的最大速率 ( ) , 802.11g 的最大速率 ( ) , 802.11b 的最大速率 ( ) 。
【判断题】公共生活中的道德规范即是社会公德,是指人们在社会交往和公共生活中应该遵守的行为准则。
【判断题】有两个面平行,其余各面均为平行四边形的几何体是棱柱
【简答题】Most parents don-t want their children to do shopping online.9. Most parents don-t want their children to do shopping online.
【单选题】学界普遍认为“凉州石窟”是指哪个石窟群?