Метрология, стандартизация и сертификация |Metrology, standardization and certification
Обучение грамматике
Справочник грамматики английского языка
Tests
Metrology, standardization and certification 1
Metrology, standardization and certification 2
Metrology, standardization and certification 3
Metrology, standardization and certification 4
Metrology, standardization and certification 5
Metrology, standardization and certification 6
Metrology, standardization and certification 7
Metrology, standardization and certification 8
Metrology, standardization and certification 9
Metrology, standardization and certification 10
Результат тестирования:
0% - 20% "2"
21% - 40% "2+"
41% - 60% "3"
61% - 80% "4"
81% - 100% "5"
Англо-русский словарь и система контекстуального поиска по переводам.