Помогите с Английским

Question

Помогите с Английским

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Answer 1

V. 
1) b
2) e
3) d
4) c
5) a

VI. 1. The first radio receiver was invented by A. S. Popov
     2. Various communication tasks are perfomed by radio devices

VII. 
1) b
2) a
3) c

VIII. 
1) is perfomed
2) performed
3) performing