- 問題詳情:Ishumanbloodallthesame?“Yes.”Youmaysay.“It’sallred.”Well,it’snotassimpleasyoumightthink.Bloodismadeupofdifferentparts,suchasredbloodcells(紅血球),whitebloodcellsandplatelets(血小板).Twochemicalmolecules(分子)ontheredbloodcellsmakepeople’sblooddiffer...
- 11447
- 問題詳情:完形填空Doyouoftenthinkofyourparents?Youmaysay,“Ofcourse,I 1 .IbuyapresentformymotheronMother’sDayandonFather’sDayIgivemyfather 2 ,too.”Butwhatabouttheotherdaysoftheyear? Ihaveafriendwhoseparentsliveinanotherc...
- 23634