情态动词表推测专项练习题.pdf
情态动词表推测专项练习1。Look！The light is out in her room.She to bed already.A。must goB.had to goC.must have goneD。has gone 2.We had a wonderful timeyesterday.You-。Why didnt you come？A。had to comeB。shouldhave comeC.might have comeD。must have come 3。There were already fivepeople in the car but they managed to take me as well。It_ a comfortable journey.A。cant beB。shouldnt beC。mustnt have beenD.couldnt havebeen4.My sister met him at the Grand Theatre yesterday afternoon，so he _ yourlecture。A。couldnt have attendedB.neednt have attendedC.mustnt have attendedD.shouldnt have attended5.I was really anxious about you.You _ home without a word.A。mustnt leaveB。Shouldnt have leftC.Couldnt have leftD.neednt leave6。Oh，Im not feeling well in the stomach，I_so much fried chicken justnow.A。shouldnt cutB.mustnt have eatenC.shouldnt have eatenD。mustnt eat7。Mr.White _ at 8：30 for the meeting,but he didnt show up.A。should have arrivedB.should arriveC。should have had arrivedD.should be arriving8.You _ be tired-youve only been working for an hour.A。must notB。won tC。can tD.may not9。-Isn t that Anns husband over there？No,it _ be him-Im sure he doesnt wear glasses。A.cantB。must notC.wontD.may not10.There _ be any difficulty about passing the road test since you have practised alot in thedriving school。A。mustntB。shantC.shouldntD。neednt11。I was on the highway when this car went pastfollowed by a police car。They_ at lease 150 km an hour.A.should have been doingB.must have been doingC.could have doneD.would have done12.He _ have completed his work；otherwise,he wouldnt be enjoying himselfby the seaside。A.shouldB.mustC。wouldntD.cant13.-The woman biologist stayed in Africa studying wild animals for 13 yearsbefore shereturned。-Oh,dear!She _ a lot of difficulties!A.may go throughB。might go throughC。ought to have gone throughD。must have gone through14。This cake is very sweet.You _ a lot of sugar in it.Ashould put Bcould have put Cmight put Dmust have put15.Catherine,I have cleaned the room for you。Thanks.Youit.I could manage it myself。Aneednt do Bneednt have done Cmustnt do Dshouldnt have done16.Tom is never late for work.Why is he absent today?Something _ to him.Amust happenBshould have happenedCcould have happened Dmust have happenedThe Uniqueness of FingerThe Uniqueness of Fingerprintsprints（指纹的唯一性)难度：*词数：266标准时间：6 分钟完成时间：_正确数:_Every human being has a uniquearrangement of the skin on his fingers and thisarrangement is unchangeable。Scientists and experts have proved the uniqueness of finger-printsand discovered that no exactly similar pattern is passed on from parents to children，thoughnobody knows why this is the case.The ridge structure on a persons fingers does not change with growth and is not affected bysurface injuries.Burns,cuts and other damage to the outer part of the skin will be replaced in timeby new one,which bears a reproduction of the originalpattern.It is only when the inner skin isinjured that the arrangement will be destroyed.Some criminals make use of this fact to removetheir own finger-prints but this is a dangerous and rare step to take.Finger-prints can be made very easily with printers ink.They can by recorded easily。Withspecial methods,identificationcan be achieved successfully within a short time。Because of thesimplicity and economy of this system，fingerprints have often been used as a method ofsolving criminal case.A suspected man may deny a charge but this may be in vain。Hisfinger-prints can prove who he is even if his appearance has been changed by age or accident。When a suspect leaves finger prints behind at the scene of a crime，they are difficult todetect with the naked eye。Special techniques are used to“develop them。Some of the marksfound are incomplete but identification is possible if a print of a quarter of an inch square can beobtained.（)1。Scientists and experts have proved that the pattern of a human beings finger skin_.A.is similar to his mothersB。is valuable to himself onlyC。is like that of others with the same type of bloodD。is different from that of all others(）2。If your fingers are wounded by knife,fire or other means,the structure of skin will_.A。be changed partlyB。be replaced by a different oneC。be the same when the wound is recoveredD.become ugly（）3.Some criminals remove their own finger-prints by _.A.using printers inkB。injuring the inner skinC。damaging the outer skin D。damaging the colour（)4.Fingerprints have often been used as a method of solving criminal case because it_。A.is complicated but reliableB。is simple and not expensiveC。is expensive but easy to doD.can bring a lot of money
