预防磷酸盐结石可服用A.氧化镁或维生素B6 B.氯化铵 C.碳酸氢钠 D.氯化钾 E 发布时间:2018-07-21 14:30 │ 来源:www.tikuol.com 题型:单项选择题 问题: 预防磷酸盐结石可服用A.氧化镁或维生素B6B.氯化铵C.碳酸氢钠D.氯化钾E.别嘌呤醇
题型:单项选择题 There _____ a basketball match between America and China on Friday afternoon. [ ]A. have B. has C. is going to be D. is going to have 查看答案
题型:单项选择题 运动中腹痛多数在中长跑时产生,主要是因为准备活动不充分,开始运动过于剧烈,或者跑的过快,内脏器官尚没有达到竞赛状态,致使()功能失调,引起腹痛。A、脏腑B、呼吸C、血液循环D、精神紧张 查看答案