【单选题】单选(2分)世界第一个地理信息系统是( )。
【单选题】在仿真中什么是“种子”
B.
种子是各类随机数发生器(或算法)当中的初始值
D.
种子是一种特殊的随机数,它可以产生其它随机数。
【判断题】对于敏感的鲑鱼宿主来说,由杀鲑气单胞菌典型亚种引起的 慢性感染 通常发生在 幼鱼和成鱼 中 。
【判断题】无申报的旅客请走绿色通道。译成:Passengers with nothing to declare can go through the green channel
【单选题】There is no ______ in the world for her children.
A.
love greater than a mother
B.
love greater than that of a mother
C.
love greater as a mother
D.
great love as that of a mother
【单选题】There is nothing in the world ________ can frighten her.