Henry Ford was the first person to build cars which were cheap，strong and fast．He was able to se11 millions of models because be could produce them in large numbers at a time；that is，he made a great many cars of exactly the same kind．Ford’s father hoped that his son would become a farmer，but the young man did not like the idea and he went to Detroit（底特律）where he worked as a mechanic（机械师）．By the age of 29，in 1892，he had built his first car．However，the car made in this way，the famous “Model T” did not appear until 1908-five years after Ford bad started his great motor car factory．This car showed to be well-known that it remained unchanged for twenty year．Since Ford’s time，this way of producing cars in large numbers has be come common in industry and has reduced the price of many goods which would otherwise be very expensive． 50．Henry Ford was the man to built _____ cars． A．cheap and strong           B．cheap and long C．fast and expensive          D．strong and slow 51．Ford was able to sell millions of cars，because_____． A．he made many greet cars                   B．his cars are many C．he made lots of cars of the same kind         D．both A and B 52．The “Model T” was very famous_____． A．before 1908  B．between 1982 and 1908   C．before 1892  D．after 1908 53．Ford built his own car factory A．in 1903      B．in 1908      C．in 1913       D．in 1897