- Ruralpovertyandchronicallydistressedregionscontinuetopresentpolicymakerswithunsolvedproblems."Thisisoneoftheunsolvedmysteriesoflong-distanceflights,"Klaassensaid.Hisresortburneddownin1994-anunsolvedarson,"butitwasn'taboutrace,"hesays.Theoriginof...
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- Thisisanunsolvedproblem.Inheritancetheoryofontologiesisaveryimportantunsolvedproblem.However,themostprofoundunsolvedprobleminbiologyistheoriginoflifeitself.Intheendtheunsolvedproblemandgoing-ondirectionofthisresearchareillustrated.Incrisismanagementa...
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- 问题详情: If unsolved,theproblemoffoodsafetymayleadtomoreseriousresults.A.havingleft B.toleave C.left D.leaving【回答】C知识点:非谓语动词题型:选择题...
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