Which of the following is NOT mentioned in the passage as a function of electronics in televisiontransmissions?
A、The conversion of an image into electronic impulses.
B、The sending of impulses through a wire cable.
C、The changing of one image into another image.
D、Thefeedingof impulsesintoa receiver.
Task 116.Paragraph①17.Paragraph②18.Paragraph③19.Paragraph④20.Paragraph⑤A. Popularity of Science FictionB. Future DevelopmentC. Classics of Science FictionD. Difficulty in Keeping Ahead of Scientific AdvancesE. Its Origin/PastF. Themes of Modern Science Fiction
Task 221. Some form of ideal society is22.Books written by J. Verne are23.Peopleenjoy24 Works of modern science fiction have25.Writers find it difficultA. a recurrent themeB. to keep ahead of scientificadvancesC. reading books of science fictionD. political implicationsE. a current themeF. read worldwide