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36～55题所给的四个选项（A、B、C和D）中，选出最佳选项。
Two friends visited the zoo together. The zoo was very large and it was 36 to go everywhere. They had to decide where and which animal to visit as their time was 37. So both of them agreed not to 38 after choosing a 39 at every fork (岔路口).
A road sign at the first fork 40 one way to the lion quarters and the other to the tiger hill. They decided on the 41 after a 42 discussion because lions were “the king of the grassland”. The second showed a division (路口) going separately to the panda and peacock. They 43 panda as it was the nation’s treasure and went its way. Thus they made choices all along the way and each choice meant 44  what they couldn’t help regretting. But they had to make it, and  45 , for it brooked(容忍) no delay. If they hesitated they would miss 46  . Only 47 decision could offer more chances for sightseeing and 48  possible regret.
Life is 49 like this—choices often occur that one has to make, for example, between two 50  jobs, two fascinating wooers(追求者). To get one you 51 give up the other——you can get half of it. If you 52 weighing the pros and cons and calculating gains and losses, you will most likely 53 empty-handedness. Don’t be sad about it.  54 you have got half of the desirable things in life——something that is  55 to come by.
36. A. easy            B. eager　　　      C. impossible     D. possible
37. A. enough　　　     B. limited　　       C. tight          D. plentiful
38. A. retrace         B. come　　　    C. go　　　　　   D. go back
39. A. main road　      B. branch　　      C. crossing　　　  D. highway
40. A. showed　　　    B. pointed　　      C. intended　　　 D. made
41. A. former　　　     B. later　　　    C. last             D. the third
42. A. brief　　　      B. long　　　     C. no　　　　　   D. heated
43. A. hoped　　　     B. wanted　　     C. favored         D. got
44. A. getting         B. taking　　      C. grasping        D. giving up
45. A. slowly　　　      B. immediately    C. timely　　    D. easily
46. A. less　　　　      B. more　　　    C. most　　　　 D. least
47. A. high　　　　     B. slow　　　     C. short　　　　 D. rapid
48. A. increase　　          B. rid　　　　      C. reduce　        D. raise
49. A. just exactly     B. more or less       C. hardly          D. most
50. A. unwanted　　     B. rejected　     C. enjoyable       D. desirable
51. A. wish　　　　     B. want　　　     C. must　　　　　D. have to
52. A. spend time　　   B. kill time        C. have a hard time  D. hope for
53. A. start with　     B. get up　　      C. succeed in　　  D. end up in
54. A. By no means    B. Not in the least  C. At most           D. At least
55. A. stupid　　　      B. delighted　          C. hard             D. supported