【简答题】A.regularly B.occasionally C.rarely D.normally
【简答题】园艺产品的卫生质量主要包括: 、 、 、 、 。
【单选题】How are paired NBDP frequencies normally used? .
A.
These are normally used for FEC conunurucations with coast radio stations.
B.
These are normally used for ARQ communications with coast radio stations.
C.
These are normally used only for distress communications to limit channel interference.
D.
These are normally used for DSC communications with coast radio stations.
【单选题】按时出席宴请是礼貌的体现,一般可按规定时间提前或延后不超过()分钟
【单选题】按时出席宴请是礼貌的体现,一般可按规定时闯提前或延后不超过( )分钟
【单选题】按时出席宴请是礼貌的体现。一般可按规定时间提前或延后( )分钟到达
【简答题】A.regularly B.usually C.commonly D.normally
【单选题】园艺产品的品质要素主要包括色泽、香味、风味、质地和( )五大要素。