12．Fred，a young man of twenty-five，was an able worker．He had worked in this factory since he finished middle school six years ago．At first he spent much time in studying all machines in his workplace and learned to repair them．His boss Mr．Dick liked the clever young man and paid him more than any other worker．
Four years later the young man got into the habit of drinking and was often drunk．He couldn't go to work on time and didn't work so hard as before．Sometimes he slept when he was on duty．It made Mr．Dick angry and told him not to drink．He agreed but soon forgot it．His friend Henry often helped him and tried to stop him drinking，but he failed．And one afternoon something was wrong with an expensive machine．The workers had to stop working．Fred was found in a bar（酒吧）but he was drunk．He broke the machine when repairing it．Henry had to take him home．The next morning，as soon as he got up，the telephone rang and Henry said，"Two pieces of news for you，F(xiàn)red．One piece is good and the other is bad．"
"Tell me the good one first，please，"said Fred．
"You'll receive double pay next month．"
"Oh，wonderful!"called out Fred．"How about the other one？"
"Mr．Dick told me to take your place．"
46．Fred became a worker after he finished middle school．T
47．Mr．Dick was angry with Fred because Fred asked for double pay．F
48．Where was Fred when there was something wrong with an expensive machine？In a bar．
49．Henry tried tostop Fred drinking but he failed．
50．將文中劃線的句子翻譯成漢語．他不能按時上班，也不如以前工作努力．
