阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。
One day in early December, we woke up to discover a heavy fall of snow. “Mom, can we go 21 after breakfast?” my eleven-year-old daughter Erica begged. I didn’t want to 22 her request, so we headed towards the only 23 in our town.
When we arrived, the hill was crowded with people. We found an open spot next to a thin man and his three-year-old son. The boy was already lying in the sled, 24 to be launched. “Come on, Daddy!” he called.
The man looked over at me. “Okay if we go 25 ?” he asked.
“Sure. Looks like your son is ready to go,” I said. With that, he gave the boy a huge 26 , and off he flew! And the father ran after his son at full speed.
“He must be afraid that his son is going to 27 somebody,” I said to Erica. “We’d better be 28 , too.”
Then we also skied down the hill at a great speed. As we returned to the top, I noticed that the man was 29 his son, who was still lying in the sled, back up to the summit. When we reached the top, the boy was ready to play again. Again, the father 30 him down the hill, and then pulled both the boy and the sled back up. The little boy was terribly spoilt by his father, I thought. 31 he was small, the child could pull his own sled up the hill once in a while. This 32 went on for more than an hour, but the man never 33 , and he was very happy instead. Finally, I could 34 it no longer. I called to him, “You have tremendous 35 !”
The man smiled and said, “He has cerebral palsy (脑瘫). He can’t walk. ”
I was dumbstruck (惊呆的). It had all seemed so happy, so 36 , that it never occurred to me that the child might be 37 . Although I didn’t know the man’s name, I told the 38 in my newspaper column. Either he or someone he knew must have recognized him, 39 shortly afterward, I received this letter:
Dear Mrs. Silverman,
The energy I expended on the hill that day is 40 compared to what my son does every day. To me, he is a true hero.
21. A. camping B. hiking C. shopping D. skiing
22. A. answer B. refuse C. allow D. accept
23. A. hill B. lake C. market D. gym
24. A. promising B. advising C. waiting D. warning
25. A. too B. second C. last D. first
26. A. wave B. ability C. push D. touch
27. A. look at B. run into C. come across D. call on
28. A. natural B. honest C. careful D. special
29. A. attracting B. following C. pulling D. forbidding
30. A. found B. chased C. drove D. noticed
31. A. As if B. Even though C. Now that D. Ever since
32. A. accident B. signal C. pattern D. adventure
33. A. doubted B. laughed C. tired D. cried
34. A. interrupt B. stand C. change D. demand
35. A. energy B. value C. skills D. attitude
36. A. fair B. frightening C. normal D. unlucky
37. A. homeless B. disabled C. technical D. creative
38. A. joke B. story C. meeting D. news
39. A. because B. unless C. if D. although
40. A. all B. everything C. something D. nothing
