医院在预约前会进行初步筛选，以减少不必要的检查。

The hospital conducts ___prescreening before appointments to minimize unnecessary tests.

医院提供免费的高血压预筛检查，帮助早期发现潜在风险人群。

The hospital provides free ___prescreening for high blood pressure to detect potential risks early.

公司对所有求职者的简历进行了预审，以筛选出合适的候选人。

The company conducted ___prescreening of all job applicants' resumes to select suitable candidates.