11.阅读下面短文，从短文后所给各题的四个选项（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。

　　Charlie was a US pilot in Vietnam. He flew 74 successful tasks. （1） ,on his 75th mission, his F4 fighter was （2）  by a surface-to-air missile (导弹) and he was forced to escape. The only thing between him and near death was the （3）  that he prayed would open. It did open and Charlie   （4）it down to the ground alive, but he was caught and spent 6 years as a(n)   （5） of war in a Vietnamese prison camp.

　　One day, many years after returning to his homeland, Charlie and his wife were sitting in a little   （6）  in Kansas City when he noticed two tables over was this guy who kept looking at him   （7） .

　　Charlie looked back but did not   （8）  him, but he kept catching this guy   （9） at him. Finally the guy stood up and walked over to Charlie's table and said, “You’re Captain Plumb. You flew jet fighters in Vietnam. You （10）rom the aircraft carrier, you parachuted  （11）  enemy area and you were   （12）  a prisoner of war.”

　　Somewhat  （13）  , Charlie looked up at the guy and asked, “How did it  （14）  that you know all that?” The man smiled and said, “Because I packed your parachute. I guess it （15）  .”

　　Charlie lay awake that night,  （16）all the times he had walked through the long narrow room, below sea level on the aircraft carrier, with the tables where the men packed the parachutes. He wondered how many times he passed the man whose job would   （17）  save his life without even saying “hi”,“good morning” or “good job” or “I   （18）  what you do.”

　　Think about this for yourself. How many times in life do you pass the people whose help is   （19）  when you need it the most? The people who don’t seek for the praises or the  （20）  or the achievement medal—the folks who are just out there packing parachutes ?

（1） A. Practically       B. Unfortunately       C. Consequently       D. Especially

（2）. A. destroyed       B. exposed          C. attracted           D. approached

（3） A. door           B. filter              C. carrier           D. parachute

（4）A. threw           B. dragged              C. dropped           D. made

（5）A. prisoner       B. pilot              C. passenger       D. officer

（6） A. library           B. restaurant          C. cottage           D. cinema

（7） A. curiously       B. occasionally          C. seriously           D. anxiously

（8）A. associate       B. recognize          C. confirm           D. mention

（9） A. staring           B. laughing          C. shouting           D. pointing

（10）A. set back           B. took off          C. moved up           D. settled down

（11） A. above           B. throughout          C. beyond           D. into

（12）A. cloned           B. employed          C. held               D. invited

（13）A. annoyed       B. ridiculous          C. fragile           D. surprised

（14）A. refer to           B. bring about          C. come about       D. infer to

（15）A. expanded       B. worked              C. responded       D. conducted

（16）A. judging from       B. devoting to          C. attaching to       D. reflecting on

（17）A. apparently       B. immediately          C. deliberately       D. eventually

（18）A. congratulate       B. appreciate          C. suspect           D. tolerate

（19） A. available       B. beneficial          C. appropriate       D. worthwhile

（20） A. hardships       B. competitions          C. honors           D. Challenges