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1—20题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。
Once upon a time the colors of the world started to quarrel. Green said, "Clearly I am the most important. I am the sign of life and hope. I was chosen for grass, trees and leaves. Without me, all animals would ___1__."
Blue interrupted, "You only think about the __2_, but consider the sky and the sea．__3__ the water that is the basis of life and drawn up by the clouds from the deep sea．Without my peace, you would all be _4__."
Yellow chuckled （笑道）, "You are all so serious. I bring laughter, fun, and _5__ into the world．"
Orange started next to blow her trumpet, "I am the color of health and strength. I may be _6__, but I am precious for I serve the needs of human life. When I fill the sky __7__, my beauty is so striking that no one gives another _8__ to any of you."
Red could stand it _9__ and he shouted out, "I am the ruler of all of you. I am the color of danger and of bravery. I am willing to _10__ truth. I am also the color of passion and of love."
Then came Purple and Indigo （深蓝）. …
The colors went on boasting, each convinced of his or her own __11__. Their quarreling became louder and louder. Suddenly there was a startling flash of bright lightening thunder. Rain started to pour down _12__. The colors crouched （蜷缩） down __13__, drawing close to one another for comfort.
In the midst of the clamor （叫嚷）, rain began to speak, "You foolish colors, fighting _14_ yourselves, each trying to dominate _15__. Don't you know that you were each made for a special purpose, __16__? Join hands with __17__ and come to me."
Doing as they were told, the colors __18__ and joined hands. They formed a colorful rainbow. From then on, whenever a good rain ___19__ the world, a rainbow appears in the sky. They remember to __20__ one another.
1．A．stay                        B．leave                     C．go out                   D．die
2．A．earth               B．moon                    C．star                      D．sun
3．A．That is                    B．I am                            C．It is                      D．This is
4．A．anything                 B．nothing                 C．something             D．everything
5．A．warmth                  B．sadness                 C．depression           D．anxiety
6．A．usual               B．normal                  C．common             D．scarce
7．A．at midnight               B．at noon or at night    C．at sunrise or sunset        D．during the day
8．A．gift                         B．honor                    C．thought                 D．respect
9．A．for more                 B．any more               C．very much            D．no longer
10．A．turn to                  B．fight for                C．struggle with         D．bend over
11．A．superiority             B．disadvantages        C．inferiority            D．weakness
12．A．gently                   B．quietly                   C．violently                D．peacefully
13．A．with care                     B．in fear                   C．by chance           D．on purpose
14．A．amongst                B．by                        C．for                       D．against
15．A．others                   B．themselves            C．the other               D．the rest
16．A．equal and simple      B．ordinary and similar  C．more or less    D．unique and different
17．A．each other             B．me                        C．one another           D．them
18．A．combined              B．separated               C．united                   D．divided
19．A．cleans                   B．washes                 C．brightens              D．dampens
20．A．appreciate             B．quarrel with           C．ignore                   D．praise