第三部分：完形填空（共20小题；每小题l．5分．满分30分)．

阅读下面短文，从短文后各题所给的四个选项（A、B、C、和D)中，选出可以填入空白处的最佳选项，并标在答题卷的相应位置。

 Hunter and Josh visited the Chime Long（长隆动物园) 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 they   38   not to retrace（原路返回) 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 going separately to the panda triplets（三胞胎) and swan. They   43   pandas as pandas were  the nation’s treasure and went the 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 could bear no delay. If they thought it over they would miss   46  . Only   47   decision could offer more chances for sightseeing and   48   possible regret.

Life is   49   like this----choices often happen that one has to make, for example, between two   50   jobs, two fascinating wooers（追求者). To get one you   51    to give up the other----you can get half of it. If you   52   time weighing the advantages and disadvantages 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 get.    

A. impossible   B. useful   C. useless   D. possibleA. enough    B. plentiful   C. much    D. limitedA. realized    B. determined  C. needed    D. stopped A. crossing   B. road         C. branch    D. highwayA. found    B. pointed   C. showed     D. made A. former           B. latter   C. last     D. thirdA. long      B. brief    C. repeated     D. heated A. hoped    B. wanted   C. got     D. preferredA. giving away   B. giving in  C.  giving out   D. giving up A. timely           B. slowly   C. immediately      D. easilyA. more     B. most   C. less           D. leastA. slow     B. fast    C. short           D. difficultA. rid             B. reduce  C. increase    D. raiseA. most            B. exactly   C. hardly    D. entirelyA. unwanted         B. legal        C. enjoyable   D. desirableA. continue    B. want        C. have           D. prefer A. spend         B. take    C. lose      D. kill A. end up in    B. get up   C. succeed in   D. begin withA. Even if    B. As if   C. At most    D. At leastA. strange    B. hard    C. happy    D. supported