![In1901,anAustrianscientistdiscoveredthattherearefourtyp...]( "In1901,anAustrianscientistdiscoveredthattherearefourtyp...")
- 问题详情：In1901,anAustrianscientistdiscoveredthattherearefourtypesofblood.HenamedthemA、B、ABandO.Peoplehaveoneofthesefourtypes.BloodtypeOisthemostcommonaroundtheworld.BloodtypeAisthesecondmostcommon,andbloodtypeABistheleastcommon.In1927,aJapanesedoct...
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