该市实施了严格的防洪措施。

The city implemented strict ___preventive measures against flooding.

预防医学侧重于保持健康和避免疾病。

___Preventive medicine focuses on maintaining health and avoiding disease.

为了解决这些问题，应采取一定的预防性措施。

To solve these problems, certain ___preventive actions should be taken.