【C18】A．one－fourthB．one－fourthsC．one－fourD．one－fours

社交媒体与传统媒体之间存在差别，传统媒体是one to one，而社交媒体是one to many。判断对错A、

A person has one head and one neck.（英译中)

When does education begin？A．Before one enters school.B．After one enters school.C．After one

【C20】A．thoseB．thatC．oneD．ones

Only when one loses freedom ______ its value.A．does one knowB．one knowsC．one does knowD．kn

【C18】A．AB．AnC．TheD．One