... medicine? A lines 2- 7 B lines 6-8 C lines 1 4-1 6 D lines 1 7-1 9 Question 65: The main topic of the passage is A The birth of the “electronic superhighway” B The various applications of fiber-optic technology ... take an entrance exam this year A Perhaps we don't have to take an entrance exam this year B We must take an entrance exam this year C We mightn't take an entrance exam thi...