考研类试卷北京航空航天大学

1、改变值等于.分数:2.00填空项 1:3.在空间中任何一点,每一种独立均匀平面波解的电场和磁场的均相同,它们的数值之比为一常数,等于.分数:2.00填空项 1:4.当电磁波由介质入射到介质时,可以发生全反射现象.分数:2.00填空项 1:5。

2、tC.exoticD.eccentric2.Beenes new novel proves he isnt just ain the pan.分数:2.00A.flareB.glitterC.sparkD.flash3.The newlyb。

3、oracious2.Theworkroom has not been used in years.分数:2.00A.bereftB.bustlingC.derelictD.stricken3.He refused to see anyone。

4、 lifes dream and ardent love of life.分数:2.00A.incorporatedB.initiatedC.exposedD.embodied3.It is said that the reconstruc。

5、 criminal investigations. DNA fingerprinting was introduced in 1987 as a method to identify individuals based on a patte。

6、ephyr B. zodiac C. zyme D. zest分数:1.00A.B.C.D.2.Its a timetable. Sometimes lessons happen, sometimes they dont. A. hapha。

7、he public at large. The same problem, on a smaller scale, faces practically every company trying to develop new products。

8、beneficialD.hazardous2.They have their names upon the pages of history.分数:1.00A.prescribedB.inscribedC.describedD.subsc。

9、esses, of which woodcut and engraving are two prime examples. Prints are made by pressing a sheet of paper or other mate。

10、n earth.分数:2.00A.isB.wasC.had beenD.were3.He never dreamt offor him to be sent abroad very soon.分数:2.00A.being a chanceB。

11、ie could not hold our attention.分数:2.00A.threehoursB.threehourC.threehoursD.threehours3.I have kept the portraitI can se。

12、 questions or unfinished statements. For each of them, there are 4 choices marked A, B, C and D. Read the passages caref。

13、rg. Without blaming anyone in particular, neighbors, friends, social workers, the police and newspaper editors have stru。

14、B. dispose C. discard D. discharge分数:0.50A.B.C.D.2.Some journalists often overstate the situation so that their news may。

15、he difference between marketing and selling. Not too many years ago, most industries concentrated primarily on the effic。

16、one, but that ones muscles also participate. It may be said that we think with our muscles in somewhat the same way that。

17、loss begins at about 7 decibels. Some of them are very concerned because normal daily life often exposes people to nois 。

18、uestions or unfinished statements. For each of them, there are 4 choices marked A, B, C and D. Read the passages careful。

19、u have paid in advance for mail delivery. A. what B. why C. how D. who分数:0.50A.B.C.D.2.Except for UcoarseU earthenwares。

20、the question is asked of a man in action a man walking along the street, or busily working at his desk. So what do you e。