那是我第一次经历如此极端的天气条件。

It was my first time to ___be ___exposed ___to such extreme weather conditions.

如果没有家长控制，孩子们可能会在网上接触到不当内容。

Children can ___be ___exposed ___to inappropriate content online if there are no parental controls.

在医院工作，你会接触到各种疾病和充满压力的情况。

Working in a hospital, you ___are ___exposed ___to a variety of illnesses and stressful situations.