题目内容：

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，并在答题卡上将该项涂黑。

Once there was a king who received a gift of two magnificent falcons (猎鹰)．They were the most beautiful birds he had ever seen．He gave the _____ birds to his head falconer to be ______.

Months passed, and one day the head falconer informed the king that ______ one of the falcons was flying high in the sky, the other bird had not _____ from its branch since the day it had arrived.

The king ordered healers from all the land to _____ the falcon, but no one could make the bird fly．He ____ the task to the members of his court, _____ the next day, the king saw _____ the palace window that the bird had still not moved from its branch.

Having ________ everything else, the king thought to himself, “Maybe I need someone more _____ the countryside to understand the nature of this problem.” So he cried out to his court, “Go and get a _____.”

In the morning, the king was ______ to see the falcon flying high above the palace garden．He said to his court, “_____ me the doer of this miracle.”

The court quickly located the farmer, who came and stood before the king．The king asked him, “______ did you make the falcon fly?”

With his head _____, the farmer said to the king, “It was very easy．I ______ cut the branch where the bird was sitting.”

We are all made to fly—to realize our ______ potential as human beings．But instead of doing that, we sit on our branches, hanging on to the things that are _____ to us．The possibilities are _____, but for most of us, they remain undiscovered．We _____ to the familiar, the comfortable, the boring．So for the most part, our lives are mediocre (平庸的) instead of exciting, thrilling and fulfilling.

1.A．curiousB．preciousC．expensiveD．clever

2.A．testedB．exhibitedC．appreciatedD．trained

3.A．asB．ifC．thoughD．since

4.A．eatenB．sungC．movedD．waken

5.A．tend toB．watch forC．drive awayD．pick up

6.A．reducedB．presentedC．removedD．brought

7.A．untilB．soC．butD．as

8.A．throughB．acrossC．beyondD．behind

9.A．learnedB．triedC．preparedD．understood

10.A．beneficial toB．fit forC．friendly withD．familiar with

11.A．farmerB．gardenerC．falconerD．healer

12.A．embarrassedB．thrilledC．anxiousD．relaxed

13.A．TellB．AwardC．CreateD．Bring

14.A．WhenB．WhyC．HowD．Where

15.A．stretchedB．stuckC．bowedD．turned

16.A．simplyB．narrowlyC．necessarilyD．nearly

17.A．unavoidableB．virtualC．imaginaryD．unbelievable

18.A．properB．familiarC．unusualD．similar

19.A．endlessB．limitedC．changeableD．uncertain

20.A．applyB．referC．directD．stick