41.  It has two strata , Cars run on the upper stratum and trains run on the other one.In the evening, there held a large celebration for that , including the play of the fireworks.

42.  The grand play is so wonderful that the spectators let out the surprised shout from time to time.

43.  The last act, "Hong Kong will Be Better, Tomorrow"' gave the finishing touch.

44.  The Qingma Bridge's completion firms us.

45.  In the 1990's, the development of computer took on a very high speed.

46.  The competition between the computer company became keener.

47.  This made the price if the computer lower and lower.

48.  In this side man controlled the computer.

49.  But, with the renewal of the computer., the software developed so fast , that "486" had been unfitted for the software's development.

50.  This made the people who were using "486" or "386" have to change their computer into "586", or they would not use the new softwares well.