四六级习题练习

四六级考试六级每日一练(2018/6/27)
1题:Some of the most, important problems in physics () their success to these mathematics systems.
A. oblige
B. devote
C. contribute
D. attribute
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2题:Part Ⅴ Writing
Directions: For this part,you are allowed 30 minutes to write a composition based on the following outline (given in Chinese).The suggested title is: Private schools in China.You should write no less than 150 words for your composition.
提纲: 1.私立学校在中国的兴起。
2. 私立学校可能带来的好处。
1)人才市场的需要
2)培养一流人才
3)提高全民族科学,教育水平
3.更多的孩子会上私立学校。
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3题:The fire()a lot of smoke but little damage was caused.
A.sent up
B.gave away
C.let out
D.emitted
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4题: It is a good reading habit for you to____some new words in the dictionary.
A.look up 
B.look out 
C.look at 
D.look over 
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5、6、7、8、9题:Joblessness is far more than an economic misfortune.It can be a psychological disaster for the unemployed and their families.It can cause illness,divide families and create a downward spiral of feelings of worthlessness and lack of selfesteem.According to research done by M. Harvery Brenner,associate professor of health at Johns Hopkins University,every 1% increase in the unemployment rate translates
into 37,000 deaths over the next 6 years,including over 20,000 deaths from heart attcks,900 suicides and nearly 500 deaths from cirrhosis of the liver.In addition,Brenner estimates that 7,500 unemployed or their families will be admitted
to prison after committing a crime or to a mental hospital.“The impact goes
well beyond the individual who loses a job,”said Brenner.“stress caused by econo
mic factors affects our national life at every level.”
Men who have been socialized as the family breadwinner are especially hard hit by unemployment.They suffer greater depression and anxiety and have a higher possibility of psychotic behavior than men who are employed.“Nine months seems to be a crucial point when hope and patience give out,”said a leading psychologist.
After that,“illness,suicide,alcoholism,divorce,and even crime grow at epidemic
rate.”
Left without a job,many workers feel they have nothing to look forward to.They miss their coworkers and the routine of going to work.For many,the sense of hopelessness grows worse every time they are rejected for a new job.When this happens often enough,the rejection unemployed workers feel may be exacerbated if some
friends and neighbors avoid them as if they had a contagious disease.
21. According to the passage,which of the following is NOT true?
A.Joblessness is an economic misfortune.
B. Joblessness is a psychological disaster for the unemployed and their families. C.Joblessness can cause the unemployed to commit suicide.
D.Joblessness is a contagious disease. 
22. In what way does the unemployment affect the unemplayed and their families?
A.It makes them ill.
B.It causes the divorce.
C.it creates a feeling of worthlessness and lack of selfesteem.
D.All above. 
23. According to M. Harvey Brenner's research,if there is 1% increase in the
unemployment rate,how many people will die from cirrhosis of the liver?
A.37,000 
B.20,000 
C.900 
D.500 
24. If a man has been unemployed for a year,he____.
A.will be happy and relieved. 
B.will be hopeless.
C.will lose patience 
D.both B and C 
25. What is the best title for this passage?
A.An Economic Misfortune. 
B.The Harm of Joblessness
C.An Scientific Research 
D.How to Treat The Unemployed 

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10题: The look in her eyes gave no clues()how she felt.
A.toward
B.to
C.about
D.with
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11题:My English teacher encouraged me to____a place at university.
A.try out 
B.try for 
C.try on 
D.try back 
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12、13、14、15、16题:Television was not invented by any one person. Nor did it spring into being overnight. It evolved gradually, over a long period, from the ideas of many people -- each one building on the work of their predecessors. The process began in 1873, when it was accidentally discovered that the electrical resistance of the element selenium varied in proportion to the intensity of the light shining on it. Scientists quickly recognized that this provided a way of transforming light variations into electrical signals. Almost immediately a number of schemes were proposed for sending pictures by wire(it was, of course, before radio). 
One of the earliest of these schemes was patterned on the human eye. Suggested by G. R. Carey in 1875, it envisioned a mosaic of selenium calls on which the picture to be transmitted would be focused by a lens system. At the receiving end there would be a similarly arranged mosaic made up of electric lights. Each selenium cell would be connected by an individual wire to the similarly placed light in the receiving mosaic. Light falling on the selenium cell would reproduce the original picture, had the necessary amplifiers and the right kind of lights been availablr, this system would have workrd. But it also would have required an imoractical number of connecting wires. Carey recognized this and in a second proposed to “scan” the cells-transmitting the signal from each cell to its associated light, in turn, over a single wire. If this were done fast enough, the retentive power of the eye would cause the resultant image to be seen as a complete picture.
41. Which of the following is the best title for the passage?
A. Television in the Electronic Era
B. First Steps in the Invention of Television
C. The Art of Television
D. Harmful Effects of Television Viewing
42. In line 1, the word “being” could best be replaced by _____.
A. place
B. creature
C. subsistence
D. existence
43. An important discovery in earlyteleviosion was the electrical resistance of _____.
A. mosaics
B. the human eye
C. lenses
D. the element selenium
44. In 1875, Carey suggested that the human eye envisioned a mosaic of selenium cells on which the picture to be transmitted would be focused by ______.
A. wire
B. electric lights
C. a lens system
D. amplifiers
45. Following are the reasons why the first scheme for television was abandoned except _____.
A. he lacks an effective assistant
B. the necessary amplifers were unavailable
C. the proper lights were unavailable
D. the number of connecting wires is impractical
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17题:Therisingcrimerateis____majorconcernof_____society.()
A.the;the
B.a;/
C.a;the
D./;the
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18题:To him,Boston was a place____brought back to mind painful memories.
A.where 
B.in which 
C.that 
D.there 
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