Question

Раскройте скобки и выберите глагол в требуемом залоге: активном или пассивном. 1. Electronic devices (help; are helped) people discover new phenomena of nature. 2. The transistor (replaced; was replaced) by vacuum tubes thanks to its numerous advantages. 3. Due to transistors all circuit functions (carried out; were carried out) inside semiconductors. 4. Electronic devices (use; are used) in scientific research. 5. Before the invention of the transistor its function (performed; was performed) by vacuum tubes. 6. The reliability of electronic systems (connect; is connected) with the number of discrete components. 7. Semiconductor integrated circuits (helped; were helped) to increase reliability of devices. 8. New types of integrated circuits (have developed; have been developed) lately. ПОМОГИТЕ ПОЖАЛУЙСТА!

Answer 1

1 help 
2 was replaced
3 were carried out
4 are used
5 was performed 
6 is connected
7 helped
8 have been developed

Answer 2

1. Electronic devices help people discover new phenomena of nature. (Active voice) 2. The transistor was replaced by vacuum tubes thanks to its numerous advantages. (Passive voice) 3. Due to transistors, all circuit functions were carried out inside semiconductors. (Passive voice) 4. Electronic devices are used in scientific research. (Active voice) 5. Before the invention of the transistor, its function was performed by vacuum tubes. (Passive voice) 6. The reliability of electronic systems is connected with the number of discrete components. (Active voice) 7. Semiconductor integrated circuits helped to increase the reliability of devices. (Active voice) 8. New types of integrated circuits have been developed lately. (Passive voice)