完形填空（共20小题；每小题1分，满分20分）
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。
“This Friday we’ll have the yearly Egg Drop Challenge,” said our science teacher, Mr. Baker.
“ You can work alone with a partner.”
My friend, Cassie, and I smiled at each other. We always worked on projects 36.
The 37 of the Challenge was simple— to build a projective container to keep an egg from breaking when 38 the stadium wall.
I made my sandwich that afternoon while waiting for Cassie. 39 the butter-cream gave me an idea.
“I have a brilliant design for our 40 container!” I said when Cassie arrived. “We can 41 the egg with some butter-cream.
“Why not put the egg in a basket with a parachute(降落伞) 42 ?” Cassie rolled her eyes.” The parachute is better than that stupid idea.”
I couldn’t believe it. Of course we’d had our little 43 in the past, but she’d never called any of my ideas “44” before.
“Then I’ll build mine and you build yours!”
45 words had been out, our friendship was challenged.
When Friday finally arrived, I had to 46 Cassie’s Egg Force One looked pretty good.
47, my Egg-cellent Egg Cream didn’t look quite scientific. We kids carried our containers up three stadium steps and dropped them over the side wall. Those whose eggs broke were out; those whose egg survived 48 three more steps and dropped them again. This would go on till the last egg broke.
After four rounds, only Cassie and I were 49 . I let go of my box. I heard someone say “ew” after seconds. Had my egg broken? I raced down the 50. The sidewalk was dotted with egg shell(蛋壳) from those 51 drops. Finally I found my little Egg-cellent Egg Cream.
“That looks like egg drop soup, Laura,” Cassie said. She was holding her Egg Force One. My 52 raced. Had she won? I looked at her basket. 53.
“My egg bounced 54,” she explained, pointing to a broken shell.
“A tie(平局),” Mr Baker said.
Cassie looked at me, and her glare 55. I laughed. She smiled…
36. A. patiently     B. silently   C. together       D. alone
37. A. function     B. goal     C. reason          D. result
38. A. rolled down  B. pushed against  C. thrown at  D. dropped over
39. A. Spreading   B. Boiling   C. Baking         D. Holding
40. A. butter      B. sandwich  C. cream          D. egg
41. A. protect     B. replace   C. carry            D. mix
42. A. followed   B. covered   C. attached         D. supported
43. A. ideas      B. fights    C. worries          D. challenges
44. A. wrong    B. stupid    C. brilliant         D. scientific
45. A. Since     B. While    C. But             D. And
46. A. explain   B. deny     C. admit           D. prove
47. A. Therefore  B. Anyway  C. Otherwise      D. Besides
48. A. paced down  B. turned around C. walked up  D. went back
49. A. left       B. wanted    C. chose         D. discovered
50. A. steps    B. way        C. wall          D. sidewalk
51. A. intended  B. unexpected  C. failed        D. desired
52. A. eyes    B. hands   C. feet   D. heart
53. A. Lost   B. Dirty   C. Broken  D. Empty
54. A. around  B. out    C. in      D. down 
55. A. returned  B. remained   C. increased  D. softened