孕40周新生儿每日钠的需要量约是()。 A.0.5~0.9mmol/kg B.1~2 发布时间:2017-08-04 07:14 │ 来源:www.tikuol.com 题型:单项选择题 问题: 孕40周新生儿每日钠的需要量约是()。A.0.5~0.9mmol/kgB.1~2mmol/kgC.3~4mmol/kgD.5~6mmol/kgE.7~8mmol/kg
题型:单项选择题 下列各物质中所含原子个数由大到小的顺序正确的是( )①0.5mol氨气;②标准状况下22.4L氦气;③4℃时9mL水;④0.2mol磷酸A.①④③②B.④③②①C.②③④①D.①④②③ 查看答案
题型:单项选择题 They said that they were going to the farm if it ________ the next Sunday. [ ]A. didn't rain B. would rainC. was going to rainD. rained 查看答案