（1）What is Jack？
A.He was a boss.
B.He was a teacher.
C.He was a sales manager.
（2）Why did Jack sometimes take work home？
A.Because he was too busy.
B.Because he was too tired.
C.Because he liked working at home.
（3）Why did Jack take several breaks while he was working？
A.Because he was sleepy.
B.Because he had to think hard.
C.Because his son kept troubling him.
（4）What did Jack do to keep Tim busy for a long time？
A.He asked Tim to cut the map into pieces.
B.He asked Tim to read newspaper.
C.He asked Tim to put the pieces of the map together.
（5）Why could Jim finish the task so quickly？
A.Because his father taught him to do so patiently.
B.Because Jim was clever and noticed the other side.
C.Because Jim practised putting the map together before.