题型:问答题 There is no light in the room.They ____asleep.A.should have gone toB.must beC.could goD.might be going 查看答案
题型:问答题 加工某一零件,需经过三道工序,已知第一、二、三道工序的不合格品率分别是2%,3%,5%,且各道工序互不影响,则流通合格品率RTY=()。A.0.969B.0.097C.0.699D.0.903 查看答案