用“unsolved problem”造句大全，unsolved problem造句
Thisisanunsolvedproblem.Inheritancetheoryofontologiesisaveryimportantunsolvedproblem.However,themostprofoundunsolvedprobleminbiologyistheoriginoflifeitself.Intheendtheunsolvedproblemandgoing-ondirecti...
用“unsolved”造句大全，unsolved造句
Ruralpovertyandchronicallydistressedregionscontinuetopresentpolicymakerswithunsolvedproblems."Thisisoneoftheunsolvedmysteriesoflong-distanceflights,"Klaassensaid.Hisresortburneddownin1994-anunsolved...
If unsolved,theproblemoffoodsafetymayleadtomores...
問題詳情： If unsolved,theproblemoffoodsafetymayleadtomoreseriousresults.A.havingleft B.toleave C.left D.leaving【回答】C知識點：非謂語動詞題型：選擇題...