Прочитайте текст и заполните пропуски подходящими по смыслу словами The first semiconductor 1_______...: ответ на тест 781339 - Английский язык

Прочитайте текст и заполните пропуски подходящими по смыслу словами
The first semiconductor 1______________ was invented in 1948. It meant another important advance in the development of 2_____________. Semiconductors possess a number of valuable advantages over electron vacuum 3______________, - miniature dimensions and high reliability. Thus electronics 4______________ the study of electron motion in solids. The realm of electronics widened still more. This opened up other fields of application for electronics.