C1 unit 4 checkpoint

Nothing to do in this part.

Course 0.1.0, built from the Ukrainian Frequency list (UberText 2.0) and the PULS validated vocabulary profile. Licensed CC BY-NC-SA 4.0: free and non-commercial, because the levels are.

Профіль української лексики (ПУЛЬС) / О. Синчак, В. Старко, М. Бурак, М. Свистун та ін. Львів: Школа української мови та культури УКУ, 2026.

Levels are a dated snapshot (2026-07-23), not the final profile. Recordings are native speakers from Lingua Libre (Wikimedia) where marked, credited on each card; others are labeled as synthesized.