【简介】感谢网友“雕龙文库”参与投稿，这里小编给大家分享一些，方便大家学习。
The doctor told Penny that too much ____to the sun is bad for the skin.
A. exposure B. extension C. exhibition D. expansion
[exposure]
exposure 暴露
[/exposure]
[extension]
extension 伸展，扩展
[/extension]
[exhibition]
exhibition 展览
[/exhibition]
[expansion]
expansion 膨胀
