Two friends were walking through the desert．During the journey they had an argument，and one friend slapped（掴）the other one in the face．The one who got slapped was hurt，but without saying anythin9，wrote in the sand：“Today my best friend slapped me in the face．’’They kept on walking until they found an oasis（绿洲），where they decided to take a bath．The one who had been slapped got stuck in the mire（泥沼）and started going down，but his friend saved him．After he was out of danger，he wrote on a stone：“Today my best friend saved my life．”
The friend who had slapped and saved his best friend asked him，“After I hurt you，you wrote in the sand and now you write on a stone．Why?” The other friend replied．“When someone hurts us we should write it down in sand，where winds of forgiveness（宽恕）can blow it away．But when someone does something good for us，we must engrave it in stone where no wind can ever blow it away．’’
46．The man who was slapped _____after he was hurt by his friend．
A．was very happy B．was very angry
C．hated his friend very much D．didn’t say anything
47．The underlined word “engrave” means “ ”in Chinese．
A．放在 B．雕刻 C．悬挂 D．张贴
48．We can infer from the passage that at last the two friends_________．
A．became better friends B．became enemies
C．hated each other D．didn’t talk to each other
49．From the passage you can know________．
A．you should argue with others when they hurt you
B．you should look for some sand to write things in
C．you should remember the good things others do for you
D．you should look for some stones to write things on
50．Which is the best title for the passage?
A．Writing in the Sand B．Angry Friends
C．Sand and Stone D．Writing on the Stone