【单选题】《国际航空和海上搜寻救助手册》提供的海空协同搜寻方式是指__。
【单选题】The argument against Bowlby's conclusion shows that______.
A.
there is no negative delayed effect on infants who go to school before three
B.
there is long-term effect on infants who go to school before three
C.
children who are sent to school before three are subject to mental illness
D.
children have problems with day care
【单选题】《国际航空和海上搜寻救助手册》提供的搜寻方式中适用于单船搜寻的是()。
D.
扇形搜寻方式、扩展方形搜寻方式或平行航线搜寻方式
【判断题】优酷视频是以“70后”至“90后”网民为传播对象的百万级媒体
【单选题】《国际航空和海上搜寻救助手册》提供的平行航线搜寻方式适用于__。
【简答题】There is no ________ to there house from the main road. A) access B) avenue C) exposure D) edge
【单选题】《国际航空和海上搜寻救助手册》提供的平行航线搜寻方式适用于()。