北京中医药大学远程教育英语1作业1答案

_____herpresencetillshespoketohim.A.inB.withC.toD.of56.Identifytheerrorsinthefollowingsentence:Althoughthetownhasbeenattackedbythestormseveraltimes,fewdamageswasdone.A.attackedB.byC.fewdamagesD.done57.Identifytheerrorsinthefollowingsentence:Mostpeopleknowtohavetheirbloodpressuretakenbutfewunderstandwhatthenumbersthatareusedtorecordbloodpressuremean.A.MostpeopleB.tohaveC.thenumbersD.thatareused58.Besureto______yourworkattheendoftheexam.A.ookoverB.hangupC.setasideD.catchsightof59.Theatomicweightofheliumis______thatofhydrogen.A.heavierfourtimesthanB.fourtimeheavierthanC.thanfourtimesheavierD.fourtimesheavierthan60.Identifytheerrorsinthefollowingsentence:Byreadingthedirectionscarefully,somemistakesintheexaminationcoldhavebeenavoided.A.ByreadingB.carefullyC.intheexaminationD.coldhavebeenavoided