2013年职称英语(理工类B级)考前预测试卷

　　第4部分：阅读理解(第31—45题，每题3分，共45分)

　　下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。

　　

　　

　　31．According to the passage，which of the following is NOT true?

　　A．Eating less than usual might make US live longer．

　　B．we go on a diet when old，we may keep healthy．

　　C．Dieting might not be needed．

　　D．We have to begin dieting since childhood．

　　32．Why does the author mention an elderly mouse in paragraph 2?

　　A．To describe the influence or old age on mice．

　　B．To illustrate the effect of meager food on mice．

　　C．To tell US how mice’s liver genes behave．

　　D．To inform US of the process of metabolizing drugs．

　　33．What can he inferred about completely normally fed mice mentioned in the passage?

　　A．They will not experience free radical production．

　　B．They will experience more genetic rejuvenation in their lifetime．

　　C．They have more old liver genes to behave like young genes．

　　D．They are more likely to suffer from inflammation．

　　34．According to the author，which of the following most interested the researchers?

　　A．The mice that started dieting in old age．

　　B．27 of those 46 0ld genes that continued to behave like young genes．

　　C．Calorie restriction that works in people．

　　D．Dieting that makes sure a drug is effective．

　　35．According 10 the last two paragraphs，Spindler believes that

　　A．calorie restriction is very important to young people．

　　B．seeing the effect of a diet，people will like to eat less than normal．

　　C．dieting is not a good method to give US health and long life．

　　D．drugs do not have the effects of calorie restriction．

　　第二篇Snowflakes

　　

　　

　　36．What does Professor Libbrecht believe to be true?

　　A．No two snowflakes are exactly the same in shape．

　　B．Somebody has examined all the snowflakes that fall on Earth．

　　C．The statement that no two snowflakes are alike is confirmed．

　　D．None of the above．

　　37．What do the simplest snow crystals look like?

　　A．They have six columns．

　　B．They are flaky．

　　C．They are cubic in shape．

　　D．They are six—sided．

　　38．What are the factors that affect the shape and growth rate of a snow crystal?

　　A．Humidity and temperature．

　　B．Water and falling speed．

　　C．Air and altitude．

　　D．Both B and C．

　　39．It can be felt from the description in the 2nd paragraph that the author

　　A．admires the beauty of the snowflakes．

　　B．dislikes the changing growth history of the snowflakes．

　　C．has a particular feeling for those flower—like crystals．

　　D．Iikes to compare snowflakes to the stars in the sky．

　　40．Libbrecht is not able to

　　A．create snow crystals of different shapes．

　　B．make crystals that look similar to one another．

　　C．create snowflakes that era exactly alike．

　　D．refine his techniques．

　　第三篇  Ford Abandons Electric Vehicles

　　

　　41．What have the Ford motor company，General Motor’s and Honda done concerning electric cars?

　　A．They have started to produce electric cars．

　　B．They have done extensive research on electric cars．

　　C．They have given up producing electric cars．

　　D．They have produced thousands of electric cars．

　　42．According to Tim Holmes of Ford Europe，battery—powered cars__________.

　　A．will be the main transportation vehicles in the future．

　　B．will not be the main transportation vehicles in the future．

　　C．will be good to the environment in the future．

　　D．will replace petrol—powered vehicles in the future．

　　43．Which auto manufacturers are still producing electric vehicles?

　　A．Toyota and Nissan．

　　B．General Motor’S and Honda．

　　C．Ford and Toyota．

　　D．Honda and Toyata．

　　44．According to the eighth paragraph，hybrid cars__________.

　　A．offer fewer mileage than petrol driven cars．

　　B．run faster than petrol driven cars．

　　C．run more miles than petrol driven cars．

　　D．offer more batteries than petrol driven cars．

　　45．Which of the following is true about the hope of car manufacturers according to the last para—graph?

　　A．Low—emission cars should be banned．

　　B．Only zero—emission cars are allowed to run on motorways．

　　C．The legislation will encourage car makers to produce more electric cars．

　　D．The legiSlation will allow more low—emission to be produced．