设圆 C 与圆 (x-5) 2+y2=2 ，关于 y=2x 时称，则圆 C 方程为 ( )

Afterhisuncledied，theyoungman_____thebeautifulestatewithwhichhechangedfromapoormantoawealthynoble．

Thedestructionofthetwintowers_________shockandangerthroughouttheworld．

About 20 of the passengers who were injured in a plane crash are said to be in_____condition ．

Many _______will be opened up in the future for those with a university education ．