请英语高手帮助几题大学英语.1.Weconsider________theinstrumentbeadjustedeachtimeitisused.A.thatitnecessaryB.necessarythatC.itnecessaryD.thatnecessary2.ItwasinChina________Dr.Bethunegavehislifetothecauseofth

　　请英语高手帮助几题大学英语.

　　1.Weconsider________theinstrumentbeadjustedeachtimeitisused.

　　A.thatitnecessary

　　B.necessarythat

　　C.itnecessary

　　D.thatnecessary

　　2.ItwasinChina________Dr.Bethunegavehislifetothecauseoftherevolution.

　　A.that

　　B.forwhere

　　C.inwhich

　　D.atwhich

　　3.Heran________noonecouldcatchhim.

　　A.sofastas

　　B.veryfastthat

　　C.thatfastfor

　　D.sofastthat

　　4.Young_______heis,heisequaltothetask.

　　A.although

　　B.because

　　C.as

　　D.however

　　5.Goingoutinahurry,_________.

　　A.Floyd'skeyswereleftonthetable

　　B.Floydlefthiskeysonthetable

　　C.Floydhavelefthiskeysonthetable

　　D.thekeyswereleftonthetablebyFloyd

　　6._______comingoftheSpaceAge,anewareahasbeenaddedtothestudyoftheplanets.

　　A.While

　　B.Itisthe

　　C.Whenthe

　　D.Withthe

　　7.Itwasthetrainingthathehadasayoungman_______madehimsuchagoodengineer.

　　A.that

　　B.has

　　C.what

　　D.later

　　8._______isaspellofwarmsunshine.

　　A.Whatdoallofusneed

　　B.Whatallofusneeddo

　　C.Whatneedallofus

　　D.Whatallofusneed

　　9.Idon'tthinkthereis_______toworryabout,_______?

　　A.nothing...doI

　　B.something...isn'tthere

　　C.anything...isthere

　　D.anything...isit

　　10.You_______toocarefulwithyourwork.

　　A.cannotbeing

　　B.cannotbe

　　C.cannottobe

　　D.canbe

　　11.Withoutapassport,leavingthecountryis_______.

　　A.outofquestion

　　B.withoutquestion

　　C.inthequestion

　　D.outofthequestion

　　12.Thiscustom,_______,isslowlydisappearing.

　　A.ofmanycenturiesagobegan

　　B.whichbeganmanycenturiesago

　　C.withmanycenturiesofbeginning

　　D.beginningformanycenturies

　　13.Hehadbeensufferingfromakindofdisease_______.

　　A.whosecureis