【单选题】The term power-driven vessel means _______in these Rules.
A.
any sailing vessel with propelling machiner
B.
any vessel propelled by machiner
C.
any sailing vessel with or without machinery for propelling
D.
any sailing vessel with propelling machinery not in use
【简答题】2010年某市初中毕业、升学考试各学科及满分值情况如下表:若把2010年某市初中毕业、升学考试各学科满分值比例绘成扇形统计图,则数学学科所在的扇形的圆心角是( )度
【单选题】已知要传送的二进制数据是10010111,除数是1100,则循环冗余校验码是()。
【单选题】What do we learn about deep sea mining? PASSAGE After decades of being on the back burner owing to costs far outweighing benefits, deep sea mining is now emerging as a serious threat to the stability ...
A.
Deep sea mining has generated great benefits to our life.
B.
Deep sea mining has posed a serious threat to ocean systems.
C.
Cost-effective technology for deep sea mining has been developed.
D.
A perfect penalty system for deep sea mining has been established.
【单选题】数据结构通常是研究数据的( )及他们之间的相互联系。
【单选题】女30岁,第一胎38周临产,助产士指导产妇使用腹压促进产程进展,最有效的时间是
【判断题】胡适高度评价了《西游记》称它为“神魔皆有人情,精魅亦通世故。”