Question

  Air Force One is the call sign of any United States Air Force aircraft carrying the President of the United States. No matter where in the world the President of the United States travels,

  1       he travels in a United States Air Force aircraft,the plane will be given the particular 2        Air Force One. Air Force One is one of the most recognizable 3        of the American presidency.

  Air Force One can be fuelled in the air,so it has 4        range and can carry the President wherever he needs to travel. Equipped with advanced and secure 5        equipment,Air Force One can function as a 6       command center in the event of an attack on the United States.

  7      ,the President and those who 8        him can enjoy 4 ,000 square feet of floor space on three levels. Air Force One offers the President a set of 9 which include a large office,bathroom,meeting room,etc. The plane has a large medical room that can function as an oper?ating room,and a 10       is always on board. The aircraft's two kitchens can 11       100 peo?ple at a time.     12      ,Air Force One has rooms for the President's travel companions.

  The idea of using Air Force aircraft to 13        the President arose in 1943,when officials of the United States Army Air Forces became 14        relying on commercial airlines to carry the President. At first,a C-87 Liberator Express was 15        because of its safety record. A C-54 Skymaster was then chosen to carry the President.

  The "Air Force One" call sign was 16        right after a        (n) 17 in 1953. A flight car?rying President Dwight D. Eisenhower accidentally 18        the same airspace as a commercial airline flight,and the two flights used the same call sign. Ground staff was unable to 19        which flight was carrying the President. Afterwards,for 20       reasons,the President's plane was given the call sign "Air Force One".

(   ) 1. A. if   B. unless   C. although   D. because

(   ) 2. A. task   B. reward   C. name   D. honor

(   ) 3. A. benefits   B. symbols   C. descriptions   D. reflections

(   ) 4. A. short   B. long   C. specific   D. unlimited

(   ) 5. A. sport   B. repair   C. communication   D. video

(   ) 6. A. safe   B. secret   C. modern   D. mobile

(   ) 7. A. Inside   B. Therefore   C. However   D. Anyway

(   ) 8. A. meet   B. interview   C. telephone   D. accompany

(   ) 9. A. chairs   B. rooms   C. novels   D. dishes

(   ) 10. A. doctor   B. guard   C. waiter   D. pilot

(   ) 11. A. hold   B. treat   C. feed   D. keep

(   ) 12. A. Besides   B. Thus   C. Afterwards   D. Otherwise

(   ) 13. A. protect   B. transport   C. welcome   D. entertain

(   ) 14. A. bored with   B. satisfied with   

        C. curious about   D. concerned about

(   ) 15. A. suggested   B. rejected   C. created   D. examined

(   ) 16. A. noticed   B. recorded   C. introduced   D. mentioned

(   ) 17. A. war   B. event   C. crash   D. revolution

(   ) 18. A. left   B. missed   C. crossed   D. entered

(   ) 19. A. tell   B. see   C. prove   D. calculate

(   ) 20. A. politics   B. economy   C. safety   D. convenience

Answer 1

1-5 ACBDC   6-10 DADBA 

11-15 CABDB   16 -20 CBDAC

空军一号(Air Force One) 是美国总统的专机，它已成为美国权力的象征。

1. A根据文章首句"Air Force One is the call sign of any United States Air Force aircraft cartying the President of the United States."可知，美国总统乘坐的任何美国空军飞机的呼号都是"空军一号"。因此可知，无论美国总统去哪儿，如果他乘坐的是美国空军飞机,那么这架飞机就会被叫做"空军一号"。

2. C参考上题解析可知答案。

3. B根据前文可知，"空军一号"是最易识别的美国总统的权力象征。

4. D根据前文"Air Force One can be fuelled in the air"可知，"空军一号"能够在空中加油。因此它拥有无限制的续航距离。

5. C 根据后文"command center"可知，"空军一号"配备先进、安全的通讯设备。

6. D  "空军一号"能够作为移动的指挥中心。

7. A根据后文可知，在"空军一号"里面，总统和他的旅行同伴可以享受4000平方英尺的三层地面空间。

8. D根据后文"Air Force One has rooms for the President's travel companions"可知答案。

9. B根据后文"which include a large office,bathroom,meeting room,etc."可知，"空军一号"为总统提供套房。

10. A根据前文"The plane has a large medical room that can function as an operating room"可知，"空军一号"上一直配有医生。

11. C  "空军一号"的两个厨房一次能为100个人提供食物。

12. A除此之外，"空军一号"还为总统的旅行同伴提供房间。

13. B根据后文可知,此处语意为"用空军飞机运送总统的想法是在1943年出现的"。

14. D根据前文可知，现在美国总统的专机是空军飞机。因此可知，由于对使用商业飞机运送总统的安全性有所担心,美国空军的官员便考虑用空军飞机运送总统。

15. B根据后文"A C-54 Skymaster was then chosen to carry the President."可知，名为"C-54 Skymaster"的空军飞机之后被选用了。因此可知，名为"C-87 Liberator Express"的空军飞机因其不良的安全记录被拒绝使用。

16. C根据后文可知，"空军一号"的呼号是在1953年的一个事件之后被采用的。

17. B根据后文可知这是一个事件。

18. D根据后文"and the two fights used the same call sign"可知，这两架飞机用的是相同的呼号。因此可知，这两架飞机意外地进人了相同的空域。

19. A由于呼号相同，地面的工作人员无法辨认哪架飞机是总统所乘坐的飞机。

20. C后来，为了安全起见，"空军一号"就成了总统专机的呼号。