2020年军队职称英语《综合类B》完形填空模拟试题四

　　A Biological Clock

　　Every living thing has what scientists call a biological clock that controls behavior. The biological clock tells __1__ when to form flowers and when the flowers should open. It tells __2__ when to leave the protective cocoon and fly away, and it tells animals and human beings when to eat, sleep and wake.

　　Events outside the plant and animal __3__ the actions of some biological clocks. Scientists recently found, for example, that a tiny animal changes the color of its fur __4__ the number of hours of daylight. In the short __5__ of winter, its fur becomes white. The fur becomes gray brown in color in the longer hours of daylight in summer.

　　Inner signals control other biological clocks. German scientists found that some kind of internal clock seems to order birds to begin their long migration __6__ twice each year. Birds __7__ from flying become restless when it is time for the trip, __8__ they become calm again when the time of the flight has ended.

　　Scientists say they are beginning to learn which __9__ of the brain contain biological clocks. An American researcher, Martin Moorhead, said a small group of cells near the front of the brain __10__ to control the timing of some of our actions. These __11__ tell a person when to __12__, when to sleep and when to seek food. Scientists say there probably are other biological clock cells that control other body activities.

　　Dr. Moorhead is studying __13__ our biological clocks affect the way we do our work. For example, most of us have great difficulty if we must often change to different work hours. __14__ can take many days for a human body to accept the major change in work hours. Dr. Moorhead said industrial officials should have a better understanding of biological clocks and how they affect workers. He said __15__ understanding could cut sickness and accidents at work and would help increase a factory's production.

　　1. A) scientists B) humans C) plants D) animals

　　2. A) insects B) birds C) fish D) snakes

　　3. A) effect B) affect C) effected D) affected

　　4. A) because B) for the reason that C) because of D) since

　　5. A) months B) days C) minutes D) weeks

　　6. A) flight B) fly C) movement D) transportation

　　7. A) prevented from B) ordered by C) helped by D) intruded on

　　8. A) and B) but C) therefore D) however

　　9. A) portions B) parts C) sections D kinds

　　10. A) try B) tries C) seem D) seems

　　11. A) things B) parts C) cells D) actions

　　12. A) awaken B) wake C) awake D) wake-up

　　13. A) how B) why C) where D) what

　　14. A) We B) It C) They D) You

　　15. A) so B) with C) such D) if

　　KEYS: CABCB AABBD CAABC

　　The Great Newspaper War

　　Up until about 100 years ago, newspapers in the United States appealed only to the most serious readers. They used __1__ illustrations and the articles were about politics or business.

　　Two men changed that - Joseph Pulitzer __2__ the New York World and William Randolph Hearst of the New York Journal. Pulitzer bought the New York World __3__ 1883. He changed it from a traditional newspaper into a very__4__ one overnight. He added __5__ illustrations and cartoons. And he told his reporters to write articles on __6__ crime or scandal they could find. And they did. One of them even pretended she was crazy and then she __7__ to a mental hospital. She then wrote a series of articles about the poor treatment of __8__ in those hospitals.

　　In 1895, Hearst came to New York from __9__ California. He wanted the Journal to be more sensational and more exciting __10__ the world. He also wanted it to be __11__, so he reduced the price by a penny. Hearst attracted attention because his headlines were bigger than__12__. He often said, "Big print makes big news."

　　Pulitzer and Hearst did anything they __13__ to sell newspapers. For example, Hearst sent Frederic Remington, the famous illustrator, __14__ pictures of the Spanish-American War. When he got there, he told Hearst that no fighting was__15__. Hearst answered, "You furnish the pictures. I'll furnish the war."

　　EXERCISE:

　　1. A) no B) many C) a lot D) little

　　2. A) on B) for C) in D)of

　　3. A) on B) in C) at D) about

　　4. A) excite B) excitingly C)exciting D) excited

　　5. A) a lot B) few C) a few D) lots of

　　6. A) every B) all C) both D) many

　　7. A) admitted B) was admitted C) could admit D) has admitted

　　8. A) patients B) patience C) patient D) patiences

　　9. A) an B) the C) a D) /

　　10. A) than B) as C) in D) for

　　11. A) cheap B) cheaper C) cheapest D) the cheapest

　　12. A) anyone B) anyone's C) anyone else D) anyone else's

　　13. A) may B) might C) can D) could

　　14. A) draw B) drew C) to dray D) drawn

　　15. A) going B) going out C) going on D) going off

　　Key: ADBCDABADABDDCC