16.___________beingusedinindustry,lasercanbeappliedtooperationsinthehospital.
选项:
a、Exceptfor
b、Inadditionto
c、Outof
d、Inspiteof
17._________onaclearday,farfromthecitycrowds,themountainsgivehimasenseofinfinitepeace
选项:
a、Ifwalking
b、Walking
c、Whilewalking
d、Whenoneiswalking
18.TheVikingsarebelieved___________America.
选项:
a、tohavediscovered
b、todiscover
c、indiscovering
d、tohavebeendiscovered
19.Husbandandwifewithacommondutytothecountrywillfindthemselves__________closertogether.
选项:
a、drawn
b、drawing
c、todraw
d、beendrawn
20.Prisonsinsomecountriesareshortofstaff,___________meanseachprisonofficerisoverworkedandunderpaid.
选项:
a、which
b、this
c、what
d、it
21._________youreturnthosebookstothelibraryimmediatelyyouwillhavetopayafine.
选项:
a、Until
b、If
c、Unless
d、Provided
22.Solittle_________aboutmathsthatthelecturewascompletelybeyondme.
选项:
a、Ikonw
b、Iknew
c、doIknow
d、didIknow
23.__________the1500s____________thefirstEuropeanexploredthecoastofCalifornia.
选项:
a、Itwasnotuntil/then
b、Itisnotuntil/when
c、Itisuntil/that
d、Itwasnotuntil/that
24.Herewefoundlittlesnow,asmostofitseemed_________blownoffthemountain.
选项:
a、tohavebeen
b、tobe
c、thatithadbeen
d、thatitwas
25.Choosethebesttopicsentencefromthegroupbelow.
选项:
a、Moreandmorestudentshavepart-jobsoutofcampus.
b、Thepopulationofuniversitystudentshavingpart-timejobsisincreasingquickly.
c、Part-timejobscanfosteruniversitystudents'senseofcompetition.
d、Morepeoplesupportstudentstohavepart-timejobs.