After the mass shootings at Sandy Hook Elementary School, President Obama ordered his members to ________ solutions to gun violence.

A．put up with

B．come up with

C．keep up with

D．catch up with

古希腊雅典教育比较重视对年轻一代进行( )。

A．军事体育教育

B．政治哲学教育

C．天文地理教育

D．多方面发展教育