高考完形填空专题训练——科普环保类

高考完型填空专题训练——科普环保类 A. With his leg lame and his teeth uneven(参差不齐的), the boy almost thought of himself as the most unfortunate child in the world.   1   did he play with his classmates, and when asked to answer questions, he always   2   his head without a word. One spring, his father brought home some young trees.   3   of his children would plant a young tree and he promised, “Whoever   4   his young tree best shall get a favorite gift.” The boy certainly wanted to get his father’s gift.     5     seeing his brothers and sisters watering the trees, an idea   6   him: he hoped the tree he planted would die soon. So watering it once or twice, he never   7   it. Several days later, when the little boy went to see his tree again, he was   8   to find that not only did it not die, but also grew so many fresh   9  . Compared with those of his brothers and sisters, his appeared greener. His father kept his   10  , bought the little boy one of his favorite   11   and said that from the tree he planted, he would surely become an outstanding botanist(植物学家)when he grew up. From then on, the little boy slowly became  12   and confident. One night, he suddenly   13   that his biology teacher once said that plants   14   grow at night. Why not go to see his tree? When he came to the courtyard, he found his father was working near his tree! Instantly he  15  : his father had been secretly   16   his small tree! He returned to his room, with tears   17   in his eyes. Decades passed. The little boy didn’t become a botanist.   18  , he became the U.S. president. His name was Franklin Roosevelt.   19   is the best nourishment(滋养品)of life.  20   it is just a bucket of water, it can make the tree of life grow well! 1. A. Seldom           B. Ever             C. Still                D. Often 2. A. held             B. lowered      C. raised           D. covered 3. A. Both             B. None             C. Each             D. Every 4. A. likes            B. protects         C. watches