We will show how the International Olympics have commercialized internationally, and are financed from corporate and private sponsorships and how this funding scenario can be used to fund new projects.

A．within

B．into

C．through

D．than

土地的（）决定了人类利用土地的活动必须合理安排。

A、有限性

B、固定性

C、差异性

D、可再生性