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

In order to live the kind of life we want and to be the person we want to be ，we have to do more than just ________with events ．

We aim to ensure that all candidates are treated fairly and that they have equal______to employment opportunities ．

It is estimated that ，currently, about 50，000 species become _____every year ．

Tomplacedthebanknotes，_________thechangeandreceipts，backinthedrawer．