第二节：完形填空（共20小题；每小题1.5分，满分30分）
阅读下面短文，掌握其大意，然后从31~50各题所给的四个选项（A、B、C和D）中，选出最佳选项。
Four brothers left home for college, and they became successful doctors and lawyers. Some years later, they  31   after having dinner together. They discussed the  32   they gave their elderly mother who lived far away in another city. The first said,“I had a   33   house built for Mama.”The second said,“I had my Mercedes-Benz dealer（经销商）send a   34   to her.”The third said,“I built a beautiful  35   for Mama.”The fourth said,“You know  36   Mama loved reading poems and you know she can’t read anymore because she can’t  37   very well. I met a   38   who had a parrot（鹦鹉）that can recite many poems. It took him 12 years to  39   it and he earns his living by renting it out. I had to pay him $100,000 a year for twenty years,  40   it is worth it.”On hearing that, the other brothers were  41   by his good thought.
After the holidays their mother  42   her thank-you notes. She wrote:
“Milton, the house you built is so huge. I only live in one room, but I have to  43   the whole house. It’s a tiring job. Thanks anyway.”
“Marvin, I am too old to  44  .I stay home and have my foods delivered, so I’ll  45   use the automobile. The  46   was good, although notpractical. Thanks.”
“Michael, you gave me an expensive building for 50 people to  47   plays or watch movies in it, but all my friends are dead. I’ve almost  48   my hearing and I’m nearly blind. I won’t use it. Thank you all the same.”
“Dearest Melvin, you were the  49   son to have the good sense to give a little thought to your gift. The chicken tasted so  50  . I liked it very much. Thank you.”
31.A.fought                        B.talked                               C.studied                   D.slept
32.A.gifts                            B.chances                           C.wishes                             D.challenges
33.A.warm                          B.big                                     C.safe                                   D.lonely
34.A.book                            B.bike                                   C.car                                     D.bag
35.A.station                       B.museum                          C.library                               D.theater
36.A.what                           B.how                                   C.why                                   D.when
37.A.listen                          B.feel                                    C.see                                    D.walk
38.A.nurse                          B.writer                               C.businessman                  D.scientist
39.A.protect                       B.beat                                  C.raise                                 D.teach
40.A.but                              B.so                                      C.unless                               D.although
41.A.treated                      B.impressed                       C.threatened                     D.hurt
42.A.sent out            B.put up                               C.took out                           D.picked up
43.A.sell                              B.borrow                    C.clean                                 D.visit
44.A.learn                           B.work                                 C.exercise                           D.travel
45.A.never                          B.often                                 C.regularly                          D.sometimes
46.A.future                         B.hobby                               C.idea                                   D.program
47.A.create                        B.enjoy                                 C.bring                                 D.record
48.A.lost                    B.admired                           C.remained                         D.discovered
49.A.same                          B.last                                    C.next                                  D.only
50A.strange                       B.unpleasant                      C.bitter                                D.delicious