1.Desertsandhighmountainshavealwaysbeena______tothemovementofpeoplefromplacetoplace.
A.barrierB.fenceC.preventionD.jam
2.Eyecontactisimportantbecausewrongcontactmaycreateacommunication_____.
A.tragedyB.vacuumC.questionD.barrier
3.lastnighthesawtwodark______enterthebuilding,andthentherewastheexplosion.
A.featuresB.figuresC.sketchesD.images
4.Thestatuewouldbeperfectbutforafewsmall______init.
A.mistakesB.weaknessC.flawsD.errors
5.Doctorsareoftencaughtina_______becausetheyhavetodecidewhethertheyshouldtelltheirpatientsthetruthornot.
A.puzzleB.perplexityC.dilemmaD.bewilderment
6.Rumorsareeverywhere,spreadingfear,damagingreputation,andturningcalmsituationsinto____ones.
A.turbulentB.tragicC.vulnerableD.suspicious
7.Someresearchersfeelthatcertainpeoplehavenervoussystemsparticularly____tohot,drywinds.thayarewhatwecallweather-sensitivepeople.
A.subjectiveB.subordinateC.liableD.vulnerable
8.Mycameracanbe________totakepicturesincloudyorsunnyconditions.
A.treatedB.adjustedC.adoptedD.remedied
9.ItistooearlytosaywhetherIBM'scompetitorswillbeableto______theirproductstothenewhardwareatanaffordablecost.
A.adaptB.stickC.yieldD.adopt
10.Physicsis______tothesciencewhichwascallednaturalphilosophyinhistory.
A.alikeB.equivalentC.likelyD.uniform