毛细血管血液中还原血红蛋白在多少以上时会出现发绀() A.9g/100ml B.8g 发布时间:2017-08-06 11:55 │ 来源:www.tikuol.com 题型:单项选择题 问题: 毛细血管血液中还原血红蛋白在多少以上时会出现发绀()A.9g/100mlB.8g/100mlC.7g/100mlD.6g/100mlE.5g/100ml
题型:单项选择题 He___ __the sports club and he _____the sports meeting every year.[ ]A. joins, joinsB. joins; takes part inC. takes part in; joinsD. takes part in; takes part in 查看答案