Many people don't think that the number 13is a lucky number．Many hotels do not have a 13th floor．The floors go from 12to 14，and there is no number13．Some people will never sit at a table with 12other people．They will tell someone to go or ask another person to sit with them．
No one really knows why people do not like the number 13．Perhaps one reason is that when people began to count（数） they used ten fingers and two hands．This made 12．They could not count more．
Some Christians （基督徒） say that 13is not lucky because there were 13people at a meal the day before Jesus （耶稣） was killed （被杀）．In a story about the old Greek （希腊的） gods（神），12gods were asked to a meal but one more came．This made 13．It is why the god Balder，who was at the meal，was killed．
46．There is often no floor number 13in___．
A．restaurants
B．countries
C．hotels
D．Greece
47．One way people can count is by using their___．
A．fingers
B．hotels
C．tables
D．gods
48．Some people will never sit at a table with twelve other people or___．
A．all of them will leave
B．they will wait for two other people to come
C．they will never come for dinner together
D．they will ask one of them to leave
49．The Christian story and the Greek story both talk about___．
A．Jesus
B．the number13
C．Balder
D．hotels
50．The story is about___．
A．the death of Jesus
B．the person who killed Balder
C．the way people count with their fingers
D．why 13is not a lucky number．