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。
For long, a question disturbed a little boy. He couldn’t understand why his next-desk-pal(同桌)could rank lst whenever he wanted to , while he himself 31 to .
At home, he asked his Mom, “Mom, am I more 32 than others? I feel I study as hard as him, but why do I 33 lag behind?” Staring at him ,she went 34 ,not knowing how to explain.
She felt an impulse (冲动)to say , “you are too 35 .You are not really as hard-working as others…”but she stopped 36 she knew her son was suffering from the pains of 37 grades and rankings . She thought it 38 to add any additional burden to his son and was trying to find out a(n) 39 answer.
Time went by quickly, the son finished primary school. 40 studying harder and harder, he was still unable to 41 his pal. To show her pride of him, Mom decided to take him to the sea. During the trip, she 42 to give out an answer.
Now, the son no longer 43 his rankings, because, with the lst ranking, he was 44 by Harvard University .
Back home in winter vacation, he was invited to 45 the students and parents in high school. In the speech, he mentioned a(n) 46 experience in his childhood:…When my mother and I were lying on the beach, she pointed to the front and said ,“Do you see the seabirds fiying for food over there? When the 47 comes near,  little birds can escape quickly 48 ‘clumsy’ seagulls (笨拙的海鸥)would take more time to complete the 49. However, have you noticed birds that 50 fly across the endless ocean are none other than ‘clumsy’seagulls?”
31.A.refused                        B.decided                    C.failed                        D.afforded
32.A.troublesome                B.stupid                       C.naughty                     D.careless
33.A.always                         B.never                        C.hardly                       D.even
34.A.wrong                         B.worried                     C.crazy                        D.wordless
35.A.young                         B.lazy                  C.clever               D.old
36.A.although             B.before                     C.beacuse              D.unless
37.A.worrying                       B.surprising            C.doubting                   D.unsatisfying
38.A.cruel                B.unnecessary          C.important             D.impossible
39.A.natural            B.harmonious           C.perfect             D.ordinary
40.A.Besides              B.Despite             C.Beyond               D.Without
41.A.get through         B.come across          C.compare with         D.keepup with
42.A.managed            B.hesitated            C.determined        D.remembered
43.A.cares about         B.doubts about         C.wonders about      D.worries about
44.A.invited                        B.accepted                    C.welcomed                  D.dismissed
45.A.visit                              B.contact                  C.address                  D.meet
46.A.private                        B.valuable                    C.interesting                 D.unexpected
47.A.wave                           B.food                         C.wind                         D.time
48.A.and                        B.since                         C.until                         D.while
49.A.game                           B.fun                           C.match                       D.process
50.A.suddenly                 B.immediately                 C.finally                       D.gradually