5．
Bob and Jackie joined a company together just after finishing high school．They both worked very hard．After several years，the boss made Jackie sales manager but Bob a salesman．One day Bob could not take it anymore．He handed in his resignation letter （辭職信） to the boss and complained that the boss did not value hard-working workers．
The boss knew that Bob didn't work hard for the company all these years，but in order to help Bob to realize the difference between him and Jackie，the boss asked Bob to do the following．
-Go and find out if there is anyone selling watermelons in the market．
Bob went，returned and only said，-Yes．
The boss asked，-How much per kilogram？
Bob went back to the market to ask and returned to answer，-12perkilogram．ThebosstoldBobtoaskJackiethesamequestion．Jackiewent，returnedandsaid，-Boss，onlyonepersonsellingwatermelons.12per kilogram，$100for 10kilograms．He has 340melons in all．On the table are 58melons，and every melon weighs about 15kilograms，bought from the South two days ago．They are fresh and red．
Bob realized the difference between himself and Jackie．He decided not to leave but to learn from Jackie．
My dear friends，you know，a more successful person is more careful，thinks more and understands in depth．For the same matter，he sees several years ahead，while you see only tomorrow．The difference between a year and a day is 365times，so how could you win？
How far do you think you have seen ahead in your life？
76．Bob wrote a letter to his boss because heC．
A．didn't think Jackie worked hard
B．thought he was better than Jackie
C．didn't think his boss valued him
D．thought he worked hard for the company
77．The boss asked Bob to go to the market in order to make himB．
A．know the watermelon seller wellB．realize the difference between him and Jackie．
C．learn to sell watermelons laterD．learn the way to be a successful person
78．What does the phrases"in depth "in Pharaph 9most probably mean in Chinese？
A．謹(jǐn)慎地
B．低沉地
C．深入地
D．堅(jiān)強(qiáng)地
79．What did Bob decide to do when he realized the difference between them？
A．leave the company
B．go back to school
C．look for a new job
D．learn from Jackie
80．In this passage，the writer mainly suggests that we shouldB．
A．work very hard
B．see more and farther
C．sell watermelons
D．find a valuable boss．
