【单选题】构成条码的基本单位是( ),其宽度通常以mm或mil为单位。
【判断题】农产品流通产业化就是把农产品流通向后延伸到商品销售领域,组成一个产业链,使农产品流通由单纯的农产品运输、集散功能扩展为流通加工、包装、储存、运输、配送。
【单选题】在人生历程中,最常见的几种错误的人生观是( )。
【简答题】装配图包括哪些内容?在生产中有什么作用?
【多选题】战后日本进行民主化改革的内容正确的有( )
【单选题】A.Adults keep pets with their children. A.Pet-keeping has a very long history.
B.
Pet-keeping may do harm to animals.
C.
People keep pets for their aesthetic need.
D.
Caged pets become increasingly popular.
E.
Pet-keeping is helpful for children’s growth. B Pet-keeping is a time-honoured tradition. One of the reasons for people to raise dogs or cows was usefulness. While people in the past hunted animals and kept them in their backyards, the civilsed man today is less cruel towards them and is less exploitative(利用的).
【单选题】根据法的所规定的内容不同为标准,法可以划分为
【判断题】构成条码的基本单位是“条”和“空”。 ( )
【单选题】勇护火炬的残疾运动员金晶被誉为 “2008 最美丽女孩 ” 属于大众传播社会功能的哪项功能?