Выберете правильный ответ 11. you have watched tv for hours, it is a strain for your eyes. a. shouldn’t b. should c. might 12. you to do this task on time. a. may b. have c. can образуйте независимый причастный оборот. (13-17) 13. the power station in our region will run on local coal. a. was built b. being built c. be built 14. the current a conductor, a magnetic field is set up. a. flowing b. flows c. have flown 15. the engine , the operator started it. a. is tested b. was testing c. having been tested 16. a sensitive receiver the electric oscillations could be detected successfully. a. are built b. having built c. having been built 17. other factors constant, the current is known to be directly proportional to conductivity. a. be b. being c. having been образуйте инфинитивную конструкцию. (18- 20) 18. communication to have no limits nowadays. a. is supposed b. is supposing c. was supposed 19. the input and output units to be the necessary components of a computer. a. knows b. are known c. will know 20. we know the a flow of electrons. a. is b. was c. to be 21. if the operators had used some additional components, to actuate the relay. a. will be b. would be c. would have been 22. if we this new system of computation, we would make maximum use of the automation principle. a. used b. would use c. had used

va1k    1   01.07.2019 08:40    1