完形填空,阅读下列短文，从每题所给的四个选项（A,B,C,D）中，选出最佳选项，并在答题卡上将该项涂上。
We all often deal with people who complain about the failures and troubles of their daily lives. Life  ________   to be full of problems for them. I would like to think such a life ________ unusual. If there were no problems in your job, then your  ________  would hire a much less capable person than you to do the things that don’t   ________   much thought. In the business world, those who are able to solve difficult problems are the ones who are the most  ________  to the employer.
Many times the problems or challenges we face  ________  us to grow and become more capable. The runner who  ________  for the mile run in the Olympics by running downhill will have no chance of winning the medal  ________ . The runner who trains by running uphill is far more likely to  ________  the speed and endurance(忍耐力) needed to win the medal.
The  ________thing that ever happened to boxer Gene Tunney was that he  ________   both hands in the ring. But at that time his manager felt that he could________ again punch(重击) hard enough to be the heavyweight champion. Instead, Tunney  ________ that he would become a scientific boxer and win the title as a boxer, not a slugger(重击者). Boxing historians will tell you that he developed into one of the best boxers who ever fought. They ________   will tell you that as a puncher, he would not have had a chance  ________Jack Dempsey, who was considered by many to be the hardest  ________ in heavyweight history. Tunney would never have been champion ________  he had not had the problem of his broken hands.
The   ________  time you meet with a difficult climb, obstacle or problem, you should ________  and say, “Here’s my chance to __________.”

A．seems B．pretends C．agrees D．hopes

A．something B．everything C．nothing D．anything

A．teacher B．employer C．father D．doctor

A．give B．receive C．offer D．need

A．famous B．valuable C．strange D．difficult

A．ask B．warn C．force D．order

A．trains B．leaves C．looks D．waits

A．in all B．after all C．above all D．at all

A．beat B．stop C．lose D．develop

A．worst B．best C．easiest D．fastest

A．held B．raised C．broke D．touched

A．never B．always C．often D．even

A．promised B．explained C．decided D．answered

A．still B．already C．hardly D．also

A．against B．for C．on D．with

A．worker B．student C．hitter D．trainer

A．unless B．if C．because D．so

A．first B．other C．last D．next

A．smile B．stand C．change D．speak

A．win B．grow C．increase D．perform