2013年6月大學(xué)英語四級考前全真模擬試題（3）

 

　　57. Thispassage implies that war now is

　　A) worsethan in the past

　　B) asbad as in the past

　　C) not so dangerous as in the past

　　D) as necessary as in the past

　　58. Inthe sentence "To do this, we need to persuade mankind... " (Line 6,Para.1 ), "this" refers to

　　A)solving international problems

　　B)improving weapons

　　C) abolishing war

　　D) living a peaceful life

　　59. FromParagraph 2 we learn that the author of the passage __

　　A) is asupporter of some modem ideologies

　　B) doesnot think that the adoption of any ideology could prevent war

　　C) believes that the adoption of some ideologies could prevent war

　　D) hasno doubt about the truth of any ideologies

　　60. Thelast paragraph suggests that

　　A)international agreements can be reached more easily now

　　B) man begins to realize the danger of nuclear war

　　C)nuclear war will definitely not take place

　　D) world opinion welcomes nuclear war

　　61.According to the author, ____

　　A) waris the only way to solve international disputes

　　B) warwill be less dangerous because of the improvement of weapons

　　C) it isimpossible for man to live without war

　　D) warmust be abolished if man wants to survive

　　62. Itcan be inferred from the first paragraph that______.

　　A) watervapor is an air pollutant in localized areas

　　B) thedefinition of air pollutiom will continue to change

　　C) a substance becomes an air pollutant only in cities

　　D) mostair pollutants today can be seen or smelled

　　63. Inwhat way can natural pollutants play an important role in controlling airpollution?

　　A) Theyfunction as part of a purification process.

　　B) Theyare dwarfed by the pollutants produced by human activities.

　　C) They are less harmful to living beings than are other pollutants.

　　D) They have existed since the Earth developed.

　　64.According to the passage, the numerical value of the concentration level of asubstance is only useful if

　　A) theother substances in the area are known

　　B) it isa localized area

　　C) it can be calculated quickly

　　D) the naturally occurring level is also known

　　65.Which of the following is best supported by the passage?

　　A) Toeffectively control pollution, local government should regularly revise the airpollution laws.

　　B) One of the most important steps in preserving natural lands is to betterenforce air pollution laws.

　　C) Scientists should be consulted in order to establish uniform limits for allair pollutants.

　　D) Humanactivities have great impact on air pollution.

　　66. Thepassage mainly discusses

　　A ) theeconomic impact on air pollutionC) how much damage air pollutants can cause

　　B ) what constitutes an air pollutantD) the quantity of compounds added to theatmosphere

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