“种瓜得瓜,种豆得豆”和“雨露滋润禾苗长”分别是说生物具有( ) A.遗传和适应 发布时间:2017-04-21 19:33 │ 来源:www.tikuol.com 题型:选择题 问题: “种瓜得瓜,种豆得豆”和“雨露滋润禾苗长”分别是说生物具有( )A.遗传和适应现象B.遗传和生长现象C.差异和适应现象D.吸收和适应现象
题型:选择题 某能使酚酞变红的无色透明的溶液中能大量共存离子组是( )A.Fe3+ K+ SO42- NO3-B.Mg2+ NH4+ SO42- Cl-C.Na+ K+ SO42- NO3-D.K+ Na+ MnO4- SO42- 查看答案
题型:选择题 Which finding is considered normal in a neonate during the first few days after birth()A. Weight loss of 25%.B. Birth weight of 2,000 to 2,500 g.C. Weight loss then return to birth weight.D. Weight gain of 25%. 查看答案