题目内容：

阅读下面的短文，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。

With his leg lame and his teeth uneven, the boy thought of himself as the most unfortunate child in the world. He           played with his classmates, and when asked to answer questions, he always     his head without a word.

One spring, his father brought home some saplings (树苗).     of his children would plant a sapling and he promised, “Whoever    his sapling best shall get a gift.” The boy certainly wanted to get the gift.    seeing his brothers and sisters watering the trees, he      an idea: he hoped the tree he planted would die soon. So watering it once or twice, he never     it.

Several days later, he was     to find it not only didn’t die, but also grew so many fresh   . Compared with those of his brothers and sisters, his appeared greener. His father kept his     , bought the boy a gift and said he would become an outstanding     after growing up.

From then on, the boy slowly became     and confident. One evening, he suddenly     his biology teacher once said that plants     grow at night. Why not go to see the tree? 

When he came to the courtyard, he found his father working near the tree! Instantly he     : Father had been secretly     his tree! He returned to his room, tears    in his eyes.

    Decades passed. The boy didn’t become a botanist.     , he became the U.S. President. His name was Franklin Roosevelt.

    is the best nourishment (滋养品) of life.     it is just a bucket of water, it can make the tree of life grow well!

1.A. ever    B. still       C. seldom   D. often

2.A. held    B. lowered   C. raised       D. covered

3.A. Both    B. None    C. Each    D. One

4.A. likes    B. protects   C. watches   D. grows

5. A. And    B. So    C. But       D. Before

6.A. cared for   B. got rid of   C. put forward   D. hit upon

7.A. attended to   B. appealed to   C. adapted to   D. turned to

8.A. frightened   B. surprised   C. disappointed  D. amused

9.A. leaves    B. roots    C. branches   D. seeds

10.A. balance   B. word       C. agreement   D. opinion

11.A. teacher   B. gardener   C. botanist    D. president

12.A. satisfied   B. certain    C. independent  D. optimistic

13.A. recalled    B. believed    C. repeated    D. knew

14.A. hardly   B. generally   C. recently   D. probably

15.A. remembered  B. wondered   C. understood   D. admitted

16.A. cutting   B. watering   C. decorating   D. fertilizing

17.A. crying   B. falling    C. dropping   D. welling

18.A. Instead   B. Besides   C. Moreover    D. Therefore

19.A. Father      B. Water    C. Disability   D. Love

20.A. Even though  B. If only    C. Now that   D. So long as